¹ÁSYMBOLNOVERPRINTNNSACLASSNLABELCDESCRIPTIOCþ 978 99 bu Bedrock of unknown type or age (Rubble of metasiltstone and chert, KH002; KH004; bu, OP002; MM002) 0 98 nm Areas not to be filled that lie within coverage, typically not mapped (bu, BV002) 20 100 Qs Surficial deposits, undifferentiated (Qs, AN002; BA002; BC002; BC003; BS004; CB003; CG002; CG004; CR010; CV003; FI002; GU002; HC002; HE002; KD002; KD004; KN009; IL002; MK002; ML002; PE002; PE003; SL002; SR004; SV002; TA015; TK002; TK003; TY002; TY003; TY 0 101 g Ice fields or glaciers (g, AN002; Qg, MG002; Oi, PE003) 300 102 Water (streams, lakes, ocean) 20 104 Qad Avalanche deposits 40 105 Qa Alluvium (Qal, AD003; AT002; BN002; BR002; BV002; CH002; DI002; DI005; KH004; KN002; KN003; KZ002; LH002; MC003; NL002; PM002; RB002; SM002; SO002; TA002; TE002; UK002; Qa, BD002; BH002; CB003; CG004; CY002; FB002; GO002; GU002; HG002; LG002; MH002; MK00 20 106 Qaf Alluvial fan and talus deposits (Qaf, CB003; CI002; KH002; KH003; LG002; MG002; MK003; PM002; TA015; TN002; UG003; UG004; Qaf, Qha, Qda, Qtf, FB002; Qf, AT002; BD002; Qaf, Qf, Qat, BV002; Qaf, Qctf, RM004; af, CG003) 20 107 Qc Colluvium (Qc, BH003; BN002; CB003; KH002; KH004; KZ002; LH002; MH002; NB002; OP002; RM002; SO002; SP002; TA015; Qac, BD002; Qh, UL002; Qt, CV003; UK002; Qt, Ql, BG002; Qco, GU002; Qc, Qta, KH003; TN002; Qca, MC003; MM002; Qca, Qct, MG002; RM004; ct, MK0 20 108 Qls Landslide deposits (Qls, BG002; CB003; CV003; DI005; MK002; PE002; PM002; TA015; UG003; UG004; Ql, EA002; FB002; MC003; MK002; NB002; SP002; TC002; TL002; Qrs, Qls, KH003; TN002; ls, CG003; NL003; Qcl, MG002) 20 110 Qt Terrace deposits (Qt, BR002; CA002; CH002; CY002; EA002; KT?; NR002; OP002; PM002; TA015; TC002; Qbg, Qtr, TN002; Qbg, Qtr, KH003; Qhs, KT002; NL003; Qap; BV002; Qat, RM004; st, MK003; Qtg, DI005; Qrs, BH003; t, CG003; Qlt, BN002; SO002) 20 111 Qac Abandoned channel deposits (Qfy, Qfo, KT002; MD002; MZ002; Qab, BD002; FB002; LG002; Qfo, NL003; ac, MK003; Qab, DI005; Qac, CG003; CG004; TA015) 20 112 Ql Lacustrine deposits (Ql, CB003; CG004; KH004; LH002; UG003; UG004; Qfl, MH002; Qfl, Qgl, NB002; Qlc, KH002; Qls; Qfl, TC002; Qls, DI002; DI005; ld, MK003; l, CG003) 20 113 Qsw Swamp deposits (Qs, FB002; TC002; Qsp, BD002; Qrs, RM002; Qs, Qsu, LG002; Qsw, DI005; sw, CG003) 20 115 Qb Beach deposits (Qb, AT002; BG002; CB003; CG004; CV003; PM002; TC002; SO002; UG003; UG004; Qyb, Qob, BL002; HP002; KW002; Qbl, SC002; Qbs, Qbb, UK002; be, MK003; b; CG003; Qbm, KZ002; SO002) 20 116 Qes Estuarine deposits (Qes, CB003; DI002; Qe, HP002; MA002; Qf, NR002; es, MK003; Ql, CV003?) 20 117 Qmt Marine terrace deposits (Qmt, CB003; CG004; PM002; UG003; UG004; Qtg, AD002; mt, CG003; MK003) 40 120 Qd Dune deposits (Qd, BG002; CG004; CV003; LG002; PM002; UK002; Qna, Qns, Qms, KT002; Qms, MD002; MZ002; Qd, Qdr, FB002; Qess, KH002; KH003; TN002; Qdl, KH004; Qe, MG002; NB002; SO002; Qh, UL002; Qds, GU002; Qe, Qd, TC002; Qs, BD002; BV002; RB009; SE002; Qs 20 121 Qfl Loess, Fairbanks loess (unit Qf, FB002; Ql, BD002; BR002; BV002; CI002; CY002; KH003; TN002; Qlc, LG002; Qsw, RM002) 20 122 Qsu Frozen silt, undifferentiated (Qsu, FB002; Qs, Qsu, CI002; Qs, BH003; BN002; KH002; KH004; KZ002; RM002; SO002; Qsp, MG002; RM004) 50 125 Qm Glacial deposits, undivided, of Holocene and/or Pleistocene age (Qm, BD002; CB003; CG004; CI002; EA002; KN003; MK002; PM002; SP002; TA015; TN007; Qdt, Qdic, MG002; Qd, AD002; BN002; RM002; SO002; Qt, AT002; BH002; BV002; KH003; RM003; UN002; Qg, CH002; G 50 126 Qsg Superglacial drift (Qsm, BG002; CV003; MM002; Qsg, CG004; sg, CG003; Qsg, MC004) 50 127 Qrg Rock glacier deposits (Qr, LH002; NB002; SP002; TL002; TC002; Qrg, BG002; DI005; KN003; MC003; MG002; RM004; rg, MK003; CG003) 50 128 Qsf Solifluction deposits (Qsf, KH002; Qsm, BV002; Qs, MC003) 50 129 Qek Esker deposits (DI005) 50 130 Qhg Drift, neoglacial (Qm, CV003; UK002; Qm, Qmo, BG002; Qa, TL002; Qam MH002; Qt4, KH003; TN002; Qrm, MM002; Qag, MC003; NB002; Qad, CG004; PM002; UG003; UG004; Qg, TY005; Qgt4, RM004; Qm, UK002; nd, MK003; Qnd, CB003; ad, CG003) 50 131 Qho Outwash deposits, Neoglaciation (Qgo, UK002; no, MK003; Qno, CB003; Qoal, MC003; ao, CG003) 50 135 Qwu Drift, undivided, Wisconsin-age Glaciations (Aleknagik and Brooks Lake, Qag, Qam, Qamg, Qbg, Qbm, DI002; TA002; Qbl, Qbg, DI005; Qrm, FB002; Qyg, HU002; Qdtf, MG002; Qwm, MH002; Qom, MM002; Qwg; NB002; Qgt2, Qgt3, RM004; Qg, SM002; Qg3, Qg, Qm3, TA002; Q 50 136 Qwr Riley Creek glaciation, late Wisconsin (Qt3?, TN002; KH003; Qg3, SM002; Qblik, CG004; PM002; UG003; UG004; blik, CG003; MK003; Qrc2, Qblik, CB003) 50 137 Qw3 Till (unit Qt2, TN002; KH003; Qg2, SM002; Qbln, CG004; LC005; PM002; UG003; UG004; bln, CG003; MK003; Qrc1, Qbln, CB003; Qbn, IL003; ) 50 138 Qw1 Till (unit Qt1, TN002; KH003; Qg1, SM002; Qblil, CB003; CG004; LC005; PM002; TA015; UG003; UG004; blil, CG003; MK003; Qwg, MC003; Qbil, IL003) 50 140 Qwo Outwash deposits, late Wisconsin-age Glaciations (Qdo, BD002; Qao, Qbo, Qoo, DI002; TA002; Qoo, DI005; TA015; Qo3, TA002; Qao, LH002; Qdo, Qdot, MG002; Qwf, MH002; Qw, MM002; Qo, BH003; RM002; Qgf, RM004; Qou, SM002; Qoa, TC002; blo, CG004; MK003; Qblo, 50 160 Qrd Rock-defended terraces (Qb, TN002; KH003) 50 161 Qat Altiplanation terraces (Qat, TN002; KH002; KH003) 50 13 190 Qew Glaciations older than Late Wisconsin (Qmm, Qim, DI002; DI005; TA002; TA015; Qga, HU002; SE002; SH002; Qdts, Qdtlm, MG002; Qog, MH002; NB002; Qgt1, RM004; Qg2, TA002; Qmhd, CB003; CG004; PM002; UG003; UG004; mhd, CG003; MK003; Qmh, DI005; Qhm, FB002; Ekl 50 13 195 Qow Older Wisconsin age outwash (Qho, FB002; Qof, MG002; Qmo, Qio, DI002; DI005; TA002; TA015; Qo2, TA002; Qmho, CB003; UG003; UG004; mho, CG003; Qewo, TA015) [Overprint pattern 13] 50 14 200 Qmi Illinoian glaciations (Qpe, TL002; Qdlm, BD002; Qdm, FB002; Qdtplm, MG002; Qdm, TC002; Qug, Qum, DI002; TA002; jhd, CG003; MK003; Qjhd, CG004; UG003; UG004; Qsg, SL002; Qjh, CB003) [Overprint pattern 14] 50 14 210 Qmio Outwash older than Wisconsin-age (unit Qdo, FB002; Qdlo, BD002; Qof, TC002; Quo; DI002; TA002; Qjho, CG004; jho, CG003) [Overprint pattern 14] 50 15 220 Tmp Pliocene(?) glaciations (Qbm, FB002; Tg, NB002; QTg, MG002; Qom, TC002; Qsb, CB003) [Overprint pattern 15] 40 280 QTs Surficial deposits, undivided (ID002; BR002) 40 282 QTmb Semiconsolidated marine beach deposits (Tc, AD002; QTs, GO002; HG002) 40 285 QTg High-level gravel (QTg, BV002; KH003; LG002; MD002; TN002; Tc, TC002; QTkg, BN002) 50 15 290 QTf Faneto Formation (AT002) 40 295 Qpm Placer and anthropogenic deposits (Qp, ID002; Qg, LG002; FB002) 4 300 Qv Volcanic rocks, undivided (Qcc, Qcs, GU002; Qv, Qal, IL002; Qv, Qfp, CB003; Qv, BN002; CG002; CG004; KN002; MK002; PM002; SO002; TY002; TY005; UG004; LC002; Qya, Qvt, UL002; Qrf, Qrq, Qra, Qo, UK002; Qvi, UG002; Qcf, UG100; CG005; vu, CG003) [Overprint s 4 301 Qw Wrangell Lava, younger part (NB002; Qdf, Qsf, GU002) 2 305 Qhv Holocene volcanic rocks (Hv, Qfvs, CB003; TY005; Qp, TC002; Qby, SC002; Qvf, Qvp, Qvba, Qbo, Qbv, Qcd, Qaf5, Qaf, Qbf, Qwf, Qef, Qff, Qc, Qyv, UK002; Tmb, Tyc, AD002; Qkn1, Qmn1, NI003; Qyt, UL002; Olj, BN002) 133 310 Qpd Pyroclastic (Ash and debris flow) deposits (Qpd, CB003; CG004; PM002; TY005; UG003; UG004; Qap, IL002; Qrp, Qrv, Qmv, Qep, UK002; Qep, UN002; Toc, AD002; Qad, CG002; afd, CG003) 133 311 Qafd Ash-flow and ash-fall deposits (Qafd, CB003; Qap, MK004) 133 312 Qdf Debris-flow deposits (Qdf, Qvg, CB003; TY005; Qsdf, GU002; Qda, Ql, UG100; df, CG003) 133 313 Qmf Mudflow deposits (Qar, IL002; mf, CG003) 133 314 Qav Volcanic avalanche deposits (Qav, CB003; Qda, GU002) 133 316 Qshc Hyaloclastite or aquagene tuff (unit Qsh, GU002) 2 320 Qcs Cinder and spatter cones (Qcs, CB003; CG002; cs, CG003; Qbc, FB002; GU002; Qkr1, Qkn2, NI003; Qc, UK002; Tmt, AD002) 133 322 Qed Explosion debris (Qp, UG100; CG005) 204 330 Qvb Basalt of Togiak River Valley, or basalt flows (Qtb, GO002; HG002; KW002; MA002; HP002; HC002; Qbo, SC002; Qmr1, Qmn2, Qmn3, NI003; Qmb, Qcb, Qf, UK002; Qel, UN002; Tmc, Tpc, Tls, AD002; Qb, BC003; BH002; PE002; SL002; QTb, BH003; --, PI002) 204 16 350 QTb Basalt (BG002; BR002; CA002; KT002; NR002; RM002; SE002; SH002; TA003; TC002; UL002; Tb, CH002; QTvb, QTvo, QTv, CR010) 23 400 Qi Intrusive rocks, undivided (Qi, CB003; PM002; Qdc, Qsi, GU002) 23 401 Qvd Dacitic to rhyolitic domes (Qvd, CB003; Qdd, Qdr, Qsr, Qcr, GU002; Hvcp, TY005; Qr, UK002; Qad, MK004; Qwr, NB002; dap, CG003) 162 402 Qanp Andesite plug domes (Qva, UK002; Tmtv, Td, AD002; Qld, UG100; anp, CG003; Qv, KN009) 23 403 Qds Radial dike swarm and plug (unit Qcd, GU002) 174 450 QTv Quaternary and/or Tertiary volcanic rocks, undifferentiated (QTm, AT002; UN002; QTm, QTv, QTdv, CB003; QTv, BI002; BN002; CG002; CG004; CM002; IL002; KC002; KZ002; NI002; MK002; PM002; Tv, TY002; TY005; QTam, QTab, QTv, UK002; Tav, AD002) 204 451 QTa Andesitic lava (QTa, KH002, TN002; Tsl, AD004; QTwi, QTwt, NB007; QTma, NB108; QTw, RI003) 174 455 QTw Wrangell Lava (VA002; MC002; NB002; QTu, Qwf, Qnf, GU002) 23 13 460 QTi Intrusive rocks (QTi, VA002; UN002; QTvp, QTai, UK002; Tpp, AD002) [Overprint symbol 13] 624 13 462 QTqk Quartz keratophyre dikes (AT002) [Overprint symbol 13] 624 14 463 QTad Porphyritic dikes and stocks of hornblende andesite and dacite (AT002) [Overprint symbol 14] 21 13 465 QTva Wrangell Lava, rhyodacite and rhyolite domes and associated pyroclastic rocks (QTwr, NB002; Qwd, QTi, Qni, GU002) [Overprint symbol 13] 21 470 QTva Quaternary and/or Tertiary pyroclastic flow deposits (QTp, PM002; QTap, UK002) 293 490 QTc Quaternary or Tertiary metamorphic rocks, particularly in Mt. Dana area on Port Moller map (QTc, PM002; QTvq, UK002) 73 500 Tsu Sedimentary rocks, undivided (unit Ts, HE002; GU002; IL002; Ts, Tc, and Tsc, MH002; Tcs, CI002; BD002; Tsu, TK002; Ts, Tcl, Tcf, MG002; Tclg, MG003) 32 530 Tmr Milky River Formation (Tmr, CG002; CG004; PM002; UG002; UG004; Ts, AD002; Tvs, CB003) 43 13 540 Tsf Sterling Formation (Ts, SV002; Tps, TL002; Tks, KN002) [Overprint pattern 13] 43 14 545 Tkb Beluga Formation (Tb, SV002; Tkb, TY002; TY005) [Overprint pattern 14] 172 550 QTtg Tugidak Formation, (Tp, KD002; Ttg, KD003) 43 560 Tkn Kenai Group, undivided (TL002; SV004) 283 570 Tn Nenana Gravel, Pliocene and Miocene (HE002; MH002; FB002; BD002; KH004; MM002) 283 571 Tn? Nenana Gravel? (MM002) 63 572 Tta Tachilni Formation, Chuniksak Fm. (Tta, CB003; Tch, AT002) 63 573 Tbl Bear Lake Formation (Tbl, CG002; CG004; PM002; UG002; UG004) 365 13 580 Tnc Narrow Cape Formation (Tms, KD002; Tnc, KD003; KD006) [Overprint symbol 13] 32 14 590 Tun Unalaska Formation (Tu, UN002) [Overprint symbol 14] 63 15 600 Tty Tyonek Formation, undivided (Ttk, AN002; Tt, SV002; Tkt, TY002; TY005; Tk, TY004) [Overprint pattern 15] 63 238610 Tu Unga Formation (Conglomerate) (Tu, CB003; PM002; Tc, Chirikof Fm., AT002) 192 611 Tbe Belkofski Formation (Tbe, CB003; PM002) 63 15 630 Ttyh Tyonek Formation and Hemlock Conglomerate, undivided (Tkth, KN002) [Overprint pattern 15] 172 640 Tcb Coal-bearing rocks, Miocene? to Eocene? (Tcb, BD002; FB002; HE002; TL002; Ts, BV002; EA002; MZ002; NR002; TN002; TN003; KH003; SL002; UL002; Tcg, MG002; MG003; Tcs, BD002) 192 13 650 Th Hemlock Conglomerate and Nevidiskov Fm. (Th, MK002; UG004; Tn, AT002) [Overprint symbol 13] 192 660 Tsk Sitkinak Formation, (To, KD002; KG002; TI002; Tsk, KD003; KG003; TI003; __, TI004) 192 670 Tts Tsadaka Formation (Tt, AN002) 283 16 740 Tsi Sitkalidak Formation, (Teo, KD002; KG002; TI002; Tsi, KD003; KG003; TI003; __, TI004; KG004; Ts; Tsl; TSm, KD006) [Overprint pattern 16] 283 790 Ttw Tsadaka and Wishbone Formations, undivided (TK002). Tsadaka is Miocene on (TK002), whereas it is Oligocene on (AN002); Wishbone is Eocene to Paleocene on (TK002) and Eocene on (AN002) 283 13 795 Tvs Volcanic and sedimentary rocks, undivided, Oligocene and Eocene (Tvs, LG002) [Overprint pattern 13] 95 800 Tst Stepovak and Andrew Lake Formations (Ts, CB003; PM002; Tal, AD011) 95 850 Tcl Copper Lake Formation; (Tc, MK002; Tclu, Tcls, Tcll, IL002) 192 14 855 Twf West Foreland Formation (Twf, KN002; SV002; TY002; TY005; Tk, SV004) [Overprint pattern 14] 93 16 860 Tt Tolstoi Formation, Kulthieth Formation (Tt, CG002; CG004; PM002; UG002; UG004; Tk, BG002; CV002; CV003; MS002) [Overprint symbol 16] 192 15 870 Tw Wishbone Formation (AN002) [Overprint pattern 15] 93 16 880 Tfv early Eocene fluviatile and subordinate volcanic rocks (Tfv, HE002; Tvs, MG002; UK002) [Overprint pattern 16] 93 13 890 Tar Arkose Ridge Formation (Tar, AN002; Kar, TK002) [Overprint symbol 13] 93 900 Tch Chickaloon Formation (Tc, AN002; TK002) 172 13 910 Tjc Sedimentary rocks of Jarvis Creek coal field, undivided (unit Tsj, MH002) 474 950 Tos Sedimentary rocks of the Orca Group, undivided (AN002; BG002; BS004; CV002; CV003; SR004; VA002) 474 951 Tovs Sedimentary and volcanic rocks of the Orca Group, undivided (Tovs, AN002; BG002; CV003; Tosv, Tots, CV002) 474 952 Toc Conglomerate of the Orca Group (AN002; CV002; CV003; VA002) 326 1000 Tvu Tertiary volcanic rocks, undivided (Tv, AN002; CG002; DI002; DI005; IL002; TK002; TY003; Tvv, HE002; Tr, NL003; Tvs, TL002; Tvs, Thi, TY005; Ta, Czab, GU002; Tf, TC002; Tvu, CB003; CG004; PM002; TKv [part], MZ002) 326 14 1001 Trs Rhyolitic volcanic and sedimentary rocks (Tw, EA002; Tvs, TN002; Tv, TN003; Tr, RM002; TKv [part], MZ002; Trp, CG002) [Overprint pattern 14] 326 15 1002 Tda Dacite (Tr, NL003; Kv, BT002; MZ004 (part); Td, Thr, UL002; Tda, CG002) [Overprint symbol 15] 326 14 1003 Ta Andesite; on map I-1685 unit Tau was subdivided for Alaska Peninsula map depending on location (Tvf, LC002; Ti, EA002; Tau, UG004; Ta, CG002) [Overprint pattern 14] 326 13 1004 Tb Basalt (Tb, CG002; EA002; FB002; LG002; LH004; SM002; Tm, TC002; Tgs, AD004; Tkb, Tb, AD005; QTb, BT002) [Overprint pattern 13] 28 13 1010 Thf Hypabyssal intrusive rocks of uncertain age (Mt. Katmai, Riehle and others, 1987; Tid, Tids, MG002) [Overprint pattern 13] 28 13 1011 Thf Hypabyssal felsic and intermediate intrusions. Age range Paleocene to Miocene, mostly Early Tertiary or Eocene? (unit Ti, AN002; Tf, BD002; Tif, MG002; TK002; VA002; Tvif, HE002; MM002; Th, MC002; TY002; Tp, NB002; Td, SV002; Tf, PzpCi, EA002; Ta, BN002 449 1012 Thm Hypabyssal mafic intrusions. Age range varies, includes Miocene to Paleocene (Tim, TJis, AN002; MG002; TK002; Tvim, HE002; MM002; Td, LH003; Tui, UN002; no unit label, IL002; Tia, MG002; d, AD003; Tp, AD006; Tm, SO002) 126 1022 Thd Hornblende dacite of Jumbo dome (HE002) 126 1025 Tib Intricate Basalt (Tib, IL002; Tvb, RM004; Ta, Tbn1, Tb, NI003; Tw, TA002; QTb, TA003; v, TA012) 126 13 1030 Tpgu Gibraltar Lake Tuff, Upper member (Tglu, IL002) [Overprint 13] 126 14 1031 Tpgl Gibraltar Lake Tuff, Lower member (Tgll, IL002) [Overprint 14] 307 1050 Tv Miocene volcanic rocks (Tv, CB003; Tmv, PM002; QTc, RI005; includes unit Tva, Miocene volcanic rocks on Mt. Katmai map, Riehle and others, 1987) 307 1051 Tab Miocene and Pliocene andesite and basalt (Ta, AD002; Tad, MK004; Tab, UG002; Tau, UG004; Tg, CG002) 307 1052 Tba Miocene basaltic andesite (Tb, ID002) 28 15 1053 Tdi Miocene and/or Pliocene hypabyssal dacite and rhyolite intrusions, includes unit Tdp, Dacite plugs on I-1229; rhyolite and dacite dikes and sills (Tif, GO002; HG002; NG002; Tf, TA003; Tmd, PE003; Tdp, CG002; Td, CV003; MS002; UG002; MI002) [Overprint sym 314 1070 Tvr Crystal and crystal-lithic ash-flow tuff (units Tv1, Tv2, Tv3, Tv4, Tv5, LH002; Tvt, IL002; DI005; Tr, SL002) 314 1080 Tpb Volcanic rocks, including basaltic breccia, tuff and a few pillow lava flows; Vega Bay Formation. Also, volcanic rocks of Poul Creek Formation (Tv, KK002; Tpv, CV002; CV003; MI002) 314 1081 Tvb Meshik Volcanics (Formation); Mt. Galen volcanics; Ship Creek, Windy Fork, and Terra Cotta volcanic fields, McGrath (Tm, CG002; CG004; PM002; UG002; UG004; Tvg, MM002; Tvt, Tvld, Tva, Tvd, Tvvd, Tvab, Tvlr, Tvgt, Tvl, Tvf, Tvm, MG002; Tvba, Tvr, IL002; T 314 1082 Tvb Basaltic lavas of the Meshik volcanic arc (MK004; QTb, PE002; PE003) 314 1083 Tvm Andesitic and dacitic rocks of the Meshik volcanic arc (MK004; Tau, UG004; QTa, PE002; PE003) 326 1084 Tap Andesite plug dome (Tap, CG002) 326 1085 Tp Popof volcanic rocks, only in Shumagin Islands = Meshik (Tp, PM002) 314 1103 Tvab Andesite and basalt flows (Ta, NL003; NR002; UL002; Tm, HC002; Roundabout Mtn. volcanic field, KT002; KT003; part TKv, MZ002; MZ004; Khf, SM006) 314 13 1110 Tver Moderately altered rhyolite flows, Nukluk Volcanic Field (Tnr, BH002) 307 1111 Tvnb Massive basalt and andesite, Nukluk Volcanic Field (Tnba, BH002) 314 16 1120 Tvep Tuff and breccia, Eocene or Paleocene (Tt, UL002; Tv, GO002; Tr, ST002; Tfu, HC002; Tv, HG002; NG002; TA003) 314 15 1121 Tvei Felsic hypabyssal intrusions [within unit Tfu of HC002] (Tfi, HC002) [Overprint symbol 13] 307 1135 Tov Orca Group, volcanic rocks, undivided, Paleocene and Eocene? (BG002; CV002; CV003; VA002; Tog BS004; Tog, Tod, SR004) 307 1140 Tcv Cantwell Formation, volcanic rocks subunit (Tcv, HE002; Tv, MH002) 307 13 1145 Tsr Soda rhyolite and basalt (Tsr, SL002) [Overprint symbol 13] 39 1200 Tiu Tertiary intrusive rocks, undivided (Tiu, CB003; CG004; PM002; UG004; Ti, CG002; MK002; UG002; Thi, MK004; Ti, Tg, RM002; Tp, TC002; Ti, KN002; TA015) 26 1203 Tagr Albite granite (Tgr, AT002; Ti13, LC002) 26 1205 Tgd Granodiorite, undivided (on Mt. Katmai map, Riehle and others, 1987; Ti, IL002) 409 1207 Tgb Gabbro and diorite, undivided (Td, AT002; AT004; Tg, KK002; Tm, RM002; Tgb, TC002; PPag, AD002) 39 1208 Tsy Syenite of Mount Fairplay (unit Ts, TC002) 39 1210 Tiv Granitic and volcanic rocks, undivided. Age range Oligocene to Paleocene (unit Tgrv, HE002) 338 1250 Ti late Miocene and Pliocene granitic intrusive rocks of the Agripina Bay, Moss Cape, American Bay, and Devils batholith and other similar age plutons, (Ti, CB003; PM002; MK002; Tg, MC002; Tdp, UK002; Tg, UN002; part gd, AD003; Tqd, CG002; UG002) 39 1253 Td Diorite, (Tgd, UN002; Tdqd, Tdd, MC003; Tmdk, Tqdz, Tmqe, PE002; Tmdk, PE003) 39 1254 Tgg Gabbro, (Tgg, UN002; Tgb, BC003; KC002; Tgbk, PE002; Tmgb, PE003; Tlgb, CR010) 39 1270 Togr Granitic rocks (Tmg, AN002; Twf, TKqc, Tnep, LH002; Tnep, LH004; Tsxr, TY003; TY005; Twg, MG002; Ti19; Ti18, LC002) 39 13 1275 Toqd Quartz diorite and diorite (Tqd, IL002; MK002, MK005; Ti15, Ti14; Ti16, Ti6, LC002), LC002) [Overprint pattern 13] 39 14 1285 Tobp Oligocene basalt plug (Tbp, CG002) [Overprint symbol 14] 39 1290 Toegr Granitic rocks (Tmpb, Ttg, Tsf, Tsc, Tgd, Tus, Tcpi, LH002; grsg, MH002) 409 1292 Toem Granodiorite to tonalite (Tmpg, Ttg, Tjc, Tsr, Tt, Tmr, LH002; Tf, TL002; part Tgr, McGonagall, Eielson, and Wyoming Hills plutons, MM002; part gd, AD003; Ti, GI004) 55 1300 Tegr Granite and granodiorite, Tertiary(?) Eocene? (Tgr, HC002; HE002; VA002; MG003; Tgg, AN004; BG003; SR002; Tg, BG002; CV003; SM002; SV002; Tp, ID002; Tgd, TK002; MG002; Ti, TY005; Ti17, Ti12, Ti4, LC002; Tiu, LH002; Tgg, CV002; Tgq, KC002; TKi, TY003) 46 1301 Tfd Felsic intrusions, leucocratic dikes, sills and small stocks, south of Border Ranges fault (AN002) 46 1307 Tgmp Quartz monzonite, monzonite breccia, and quartz porphyry (unit Tqm, LH004; MG002; MG003) 46 1310 Tet Tonalite (Tt, VA002; Tt, MF002) 99 1320 Tg Granitic rocks, including early Tertiary granitic intrusive rocks of the Kodiak, Shumagin, Semidi, and Sanak Islands (Tg, BD002; CB003; CG004; KH003; PM002; TN002; TY002; TY004; TY005; UL002; Tgd, CG002; KD006; Tqm, KD004; KD002; KG002; TI002; Tial, BH00 99 2381350 Thgd Granodiorite of Mount Estelle; Biotite-hornblende granodiorite, (Ticp, BH002; Ti9, Ti8, Ti7, Ti2, Ti1, LC002; Tm, LG002; Tse [Unnamed Quartz diorite pluton], Tme, LH002; TKqm, MG002; Thgd, KN003; Tgd, TY002; MG003; Te, TL002; TY003; TY005; Tme, Tn, TY003 446 1370 Tim Dark-colored dikes and sills consisting of diabase, basalt, dioritic and gabbroic mafic intrusive rocks (Ti, PE002; Tod, SR002) 446 1380 Tgl Hornblende and pyroxene-hornblende gabbro (Tmu, CV003; Tgl, LH002; Tgb, MG002; Ti5, LC002) 807 1410 Tgma Cottonwood Creek Complex, gniess and amphibolite (unit Tc, NB002) 361 1510 TKcg Conglomerate, sandstone, and lignite (TKd, EA002; TKs, UL002; CY002; Kr, TC002) 361 1520 TKcs Conglomerate and sandstone (TKs, TKc, BN002; SO002) 361 1530 Tk Krugoli Formation, undifferentiated (TMzk, AT004) 361 13 1540 Tkc Basement rocks - coarse-grained and conglomeratic sedimentary rocks (TMzkc, AT004) [Overprint symbol 13] 354 1600 TKv Extrusive rocks, flows, tuff, and breccia (TKvt, MG002; RM003; TKv, MD002; OP002; SL002; TKva, OP003; RM004; TKe, TKuv, RM002; TKv, RM003; MM002; TKu, UL002; Mzmu, TC002) 354 15 1601 TKd Dikes and subvolcanic rocks (TKd, OP002; SM002; TKd, TKa, TE002; d, NB002; TKi, TL002) [Overprint symbol 15] 354 16 1602 TKgp Hypabyssal granite porphyry dikes, sills, and plugs (TKgp, ID002; TKf, CI002; Khi, HU002; TKd, LH002; TKi7, LC002; Tkr, SM002; TKdf, RM004) [Overprint symbol 16] 354 13 1603 TKvr Volcanic rock, light gray to pink rhyolite (TKr, BV002; SM002; UL002; TKvf, MG002; TKst, TKsr, TKer, TKtb, BH002; TKv, BT002; KH003; KH004; TKf, TKr, KH002; TKnr, TKnf, TKvs, MD002; Tr, BH003; TKd, RB009) [Overprint symbol 13] 354 13 1604 TKvd Volcanic rocks, dacite (TKv, TN002; TN003; TKvd, MG002; TKtd, BH002; TKvi, RM004) [Overprint symbol 13] 354 14 1605 TKvi Younger phase of Iditarod Volcanics and similar units (TKy, TKil, ID002; TKa, KH002; RB009; UL002; TKvm, MG002; TKea, TKsa, BH002; Tv, BH004; TKn, MD002; TKv, RB004) [Overprint symbol 14] 354 1615 TKv Felsic tuff (TY004; TY005) 354 15 1620 TKd Rhyolite-andesite plugs and domes (TKp, ID002; TKv, Kh, MZ002) [Overprint symbol 15] 354 13 1625 TKvr Felsic volcanic rocks (TKvf, SM002; Tf, BH004; TKv, BN002) [Overprint symbol 13] 44 1630 TKiv Mafic to intermediate volcano-plutonic complexes (TKc, OP002; MD002; TKv, SM002) 44 1635 TKmv Flat-lying to gently dipping mafic flows of andesite and basalt, and volcaniclastic deposits of andesitic and basaltic tuff and conglomerate (TKm, ST002) 446 1640 TKum Mafic and ultramafic intrusive rocks including pluglike body of augite andesite porphyry and a small dikelike body of augite peridotite (TKi, HU002) 39 14 1650 TKi Intrusive rocks (TKi, NR002; RB002; TL002; TY003; TY005; TKg, SM002; TKiu, Tgdn, LH002; gr, MM002; TKcm, MD002) [Overprint symbol 14] 58 1655 TKg Granitic rocks (TKg, AN002; BD002; CI002; CY002; GO002; HG002; ID002; KT002; LG002; MD002; NG002; RB009; TA015; TN003; Kg, TKg, RB004; TKif, TKik, BH002; Tg, BH003; DI002; TA002; TA003; TA005; Mzi, FB002; TKgr, HE002; MM002; TKg, TKkm, LH002; TKf, TKqm, 36 1660 TKm More mafic granitic rocks, tonalite, monzonite (TKt, AN002; TKt, TKgr, TK002; TKin, BH002; TMzg, EA002; TKm, ID002; LG002; MD002; MD003; OP002; OP003; TKi, IL002; TKig, LH002; md, grn2, MH002; TKi14, TKi13, TKi12, TKi9, TKi8, TKi4, TKi2, LC002; TKsym, R 58 14 1665 TKqd Granitic unit 3, quartz diorite and diorite dikes, stocks, and small plutons (TKip, TKie, TKig, BH002; TMzd, EA002; grn3, MH002; TKi6, TKi3, TKi1, LC002; TKqd, TKqd1, TKqd2, TY005; TKip, RM003) [Overprint pattern 14] 937 1670 TKgb Gabbro and dark-colored dikes and sills consisting of diabase, basalt, dioritic and gabbroic mafic intrusive rocks (Tim, GO002; HG002; TKmg, TKtp, TKm, TKpg, LH002; TKlg, TK002; TKm, TY005; TKg, ST002; Tm, BH004) 937 1680 TDg Gabbro, undifferentiated, Tertiary to Devonian age (TDg, MD002; RB009; TMg, OP002) 309 1690 TKl Lamprophyre, alkali gabbro, and alkali diorite (la, MH002) 146 15 1710 TKc Cataclastite (AN002) [Overprint symbol 15] 146 13 1720 TKgg Gneissose granitic rocks (unit gg, MH002; TKgs, LH002; Tsmg, TK002) [Overprint symbol 13] 146 1780 TKgh Ghost Rocks (Tpe, KD002; Tgh, KD003; Tgm, KD006) [Overprint pattern 16] 146 15 1790 TKmx Orca Group melange (TKm, VA002) [Overprint symbol 16] 562 1805 Knb Undivided marine and non-marine shale and siltstone 570 1815 Kcc Limestone conglomerate (unit Klc, CA002; Kcc, NR002) 763 1820 Kcvg Calcareous graywacke and mudstone, volcanic graywacke, and volcanic conglomerate (Kcc, Kcv, CA002; Kcvg, NR002; Kg, UL002; Kv [part], SH003, SE004) [Overprint pattern 13] 562 7081821 Kcg Calcareous graywacke and micaceous, calcareous mudstone turbidite deposits (Kcg, CA002; Kct, NR002) [Overprint pattern 708] 570 1822 Kcc Nonmarine and marine carbonate-rich conglomerate and sandstone deltaic deposits (Kcv, CA002; Kcc, NR002; Kv [part], SE004) [Overprint pattern 15] 562 2381823 Kcgc Conglomeritic facies of carbonate-rich sandstone, siltstone, and shale turbidite deposits. (on Kct, NR002) [Overprint pattern 238] 782 13 1905 Ksh Shale and siltstone (OP002) [Overprint symbol 13] 782 14 1906 Ksa Sandstone, Late Cretaceous (OP002) [Overprint symbol 14] 782 15 1907 Kvss Volcaniclastic sandstone (OP002) [Overprint symbol 15] 361 1912 Kshf Shumagin Formation (Ks, CB003; PM002) 341 14 1913 Kh Hoodoo Formation (Kh, CG002; CG004; PM002) 361 14 1916 Ksmd Shumagin Formation, mudstone member (PM002) 361 1917 Kkf Kodiak Formation (Kkd, KD002; Kk, KD003; KD004; KD006) 570 13 1920 Kcs Cantwell Formation, sedimentary rocks subunit (Tcs, HE002; MM002; Ts, TL002) [Overprint symbol 13] 782 1940 Kk Late Cretaceous undifferentiated clastic rocks (Ku, MC002; Kss, MD002) 772 16 1941 Kss Non-marine sandstone, quartz conglomerate, shale, and siltstone (Ks, MZ002; NB002; RB004; RB009; TKs, MC003) [Overprint symbol 16] 782 1942 Kk Limy volcaniclastic sandstone (Kls, OP002) 562 16 1943 Kshn Non-marine shale, siltstone, and sandstone (Ks, KW002; HP002; SC002; HC002) [Overprint symbol 16] 341 15 1955 Kkg Kaguyak Formation (Kk, MK002; IL002) [Overprint symbol 15] 391 13 1960 Kc Chignik Formation (Kc, CG002; CG004; PM002; UG002; UG004; Ks, GO002; HG002; NG002) 391 15 1961 Khc Chignik and Hoodoo Formations, undivided. Also includes Late Cretaceous rocks called Kaguyak Fm. on the west side of Cook Inlet in the Seldovia quad (Kk, SV002; Khc, UG002; UG004) 782 1970 Kk Kuskokwim Group, sandstone, siltstone, shale, and conglomerate (Kk, DI005; GO002; SM002; TA002; TA003; TA004; TA015; Kku, LH003; Kss, Kcs, LH004; Kks, ID002; RM002; Ksu, MD002; Ku, Kss, OP002; TKhf [part], Kcs, Kss, Kls, Kus, Ksh, MG003; Kkcf, Kkmf, Kkmc 391 16 1980 Kms Minto unit, siltstone, mudstone, graywacke, quartzose sandstone, plant fragments, Late Cretaceous(?) (Km, LG002) 782 16 1985 Kkn Kuskokwim Group, nonmarine to marginal marine quartzose sandstone and siltstone (Kkq, ID002; Ksc, MD002; OP002; Kqs, Kqcs, Kqvs, LH004; Kqs, Kqcs, MG003; Kkcd, Kkbc, BH002; Kkcd, RM003; Ksl, RM004; Kka, TA002) [Overprint symbol 16] 772 14 1990 Kqc Quartz-pebble conglomerate, early Late Cretaceous (MZ002; BT002; HU002; Knc, SE002; Kq, SH002; SP002; Kb, CH002) [Overprint symbol 14] 570 2010 Km Matanuska Formation, fossiliferous marine shale, late Early Cretaceous to Late Cretaceous (Km, AN002; TK002; GU002; Kmu, Kml, VA002; Ks, GU101) 772 2020 Kme Melozitna group, informal name; Shaktolik (sp) Group (abandoned name), graywacke, shale, grit, and conglomerate (Ks, ID002; MA002; OP002; RM002; Ksu?, NL002) 772 2021 Kme Sandstone, shale, and conglomerate deltaic deposits (Ksu, NL003; Ks, BI002; NI002, NI003; NR002; UL002; Kn, Knm, KT002 [see also 2180]) 570 3482023 Ksi Rhyolite and dacite, and sandstone, shale, and conglomerate deltaic deposits and intricately intruded areas of volcanic graywacke and mudstone, late Early Cretaceous (Albian) (TKrs, UL002; Kvc, NR002; TKic, RB009) [Overprint symbol 348] 772 15 2030 Kipc Igneous pebble-cobble conglomerate (Albian and Late Cretaceous?, unit Kc, MZ002; HU002; RB004; SE002; SH002; SP002; Kic, BT002; Kmc, RB009) [Overprint symbol 15] 341 7082100 Knls Early Cretaceous Nelchina Limestone (Ksu, TK00) [Overprint symbol 708] 591 2101 Ksse Marine sandstone and siltstone, Early Cretaceous (Ksm, NR002; Km, KT002; Kg, Km, NL003) 894 2105 Kvgm Volcanic graywacke and mudstone, late Early Cretaceous (Albian) (unit Kgm, MZ002; RB004; Knm, eastern map area, KT003; Kg, NL003; CA002; Kls, KW002; SC002; Kv, SE002; ST002; KJcs, TN002) 570 2382106 Kvcc Conglomeratic facies, Volcanic conglomerate and breccia (Kvg, CA002; Kcv, CA003; Kvc, NR002)[Overprint symbol 238] 341 2110 Kbc Berg Creek Formation (Kb, Js, VA002; Ks, VA007; Kl, BG002; MC002; Kbc, MC100) 541 2382115 Kwcf Early Cretaceous flysch, Wilber Creek unit (Kts, BH002; KJqa, Kwcf, CI002; Kka, CY002; Kwcc, Kwcs, LG002; Kwc, Kwcq, TN003; KJgs, KH002; KJcs, KH003) 341 16 2120 Kp Pedmar Formation, Albian (Kp, MK002) 341 13 2125 Ksm Quartz-carbonate sandstone and pebbly mudstone, Early Cretaceous, Valanginian-Aptian (Kqc, MD002; Kb, GO002) [Overprint symbol 13] 591 15 2126 Kba Biederman Argillite, Kandik Group, Valanginian (Kb, CY002) [Overprint pattern 13] 622 2130 Kcct Cape Current terrane (Kc, KD004) 960 15 2135 Kkq Keenan Quartzite, Kandik Group, Valanginian (unit Kk, CY002; Kq, BR002; Kke, ML002) [Overprint pattern 15] 591 16 2140 Karg Argillite, Early Cretaceous(?) (Ka, CY002) [Overprint pattern 14] 772 7082150 Khe Herendeen Formation or Limestone on some maps; (Khe, CG002; CG004; PM002; MK005; Klg, GO002) 772 7082151 Kli Limestone, Early Cretaceous(?), primarily Inoceramus prisms (Kl, CY002) 591 2152 Kmd Marine mudstone and sandstone (Kgm, KT002 [201]; Kcs, KW002; MA002; NL003 [303]; SC002) 960 2170 Kuc Ungalik Conglomerate (unit Ku, RB002; NL002) [Not used] 960 2175 Kst Staniukovich Formation (Ks, PM002; UG004; Kst, CG004; MK005; KJs, CG002; Js UG002) 894 2180 Kvm Earliest Cretaceous volcanic graywacke and conglomerate (Kvs, BH002; Kgm, BT002; HU002; Kvg, MD002; NR002; RB009 [According to Patton, oral commun., 1997]; Kvg, Kvm, Kcv, CA002; Kg, UL002; Kcg, HU002; Kv, SH002; Kgs, Knm, KT002; Kvg, NR002; Kg, NL003; UL 894 2181 Kvm Earliest Cretaceous volcanic conglomerate (KT002, shown as part of unit Kgs - 2180; KT002; Kcvs/Kcs, MD003; OP003) 812 2190 Kmk McHugh Complex, Uyak Complex, melange (Mzm, AN002; BG002; Ku, KD004; Kbc, KJm, VA002; KJm, KN003; KPm, KPms, KPmc, SV002) 913 2192 Kmar Melange south of McKinley Fault (Kms, HE002; DSga, TK002) 913 7082193 TrSl Melange south of McKinley Fault, limestone blocks ( (msl)Kms, HE002) 913 2195 Kmar Melange north of McKinley Fault (Kmn, HE002; wm, MH002 [same as Kmy and Kmz in Healy quad?, subdivided also on map]) 913 7082196 TrSl Melange north of McKinley Fault, limestone blocks ( (mnl)Kmn, HE002) 408 13 2197 Kmu Melange north of McKinley Fault, ultramafic rocks ( (mno)Kmn, HE002; Kuu, KD004) [Overprint symbol 13] 158 3482210 Kvfp Hypabyssal rocks, dacite and rhyolite porphyry (Ktr, Kvkr, BH002; Ki, HC002; KW002; MA002; Khe, SE002; Kfv, SH002) [Overprint symbol 348] 324 2230 Kvb Cretaceous basalt, local pillow flows, probably early Cretaceous (Kb, TY004; TY005) 158 2255 Ksva Andesitic subvolcanic rocks (Kva, HE002) 158 2256 Ksvb Basaltic subvolcanic rocks (Kvb, HE002) 158 2260 Kvl Iditarod Volcanics, Kipchuk Volcanic Field, and similar units, flows, tuff, and agglomerate (TKvm, RM004; Kac, OP002; Kka, Kkv, ID002; Kkv, RM002; TKvit, TKa, TKvi, TKvip, TKpvm, TKgvm, TKvm, TKvv, TKvmi, SM003; Kvmp, Kvm, MG003; Kvk1, Kvk3, Kvk6, BH002; 158 14 2265 Kpd Intermediate and silicic pyroclastic deposits (Ki, ST002) [Overprint symbol 14] 158 15 2320 Ktg Tuff, volcanic graywacke, and mudstone (Ktg, HU002; MZ002; Kv, UL002; Kts, GO002; Kv, HC002; KCgg [part], BH004) [Overprint symbol 15] 158 16 2330 Kva Andesitic volcanic rocks (earliest Cretaceous, Neocomian, but may include Albian) (Kv, MZ002; NL003; NR002; RB004; SL002; UL002; KJv, CA002; HU002; KT002; KW002; SE002; SH002; Kab, SH002; Kv, RB009) [Overprint symbol 16] 324 2335 Kbd Spilitic pillow basalt and diabase (SH002; KT004, see also2230) 158 13 2340 Kcve Chisana Formation, andesitic flows and volcaniclastic rocks, also includes Gravina Belt volcanics in southeast Alaska, which may also be in part Late Jurassic in age (Kc, MC002; NB002; KJgv, KC002; KC005; KJsg, KJsv, PE002; Ksg, PE003; Tvh, Jgv, CR010) [ 78 2400 Kdg Dikes, granite to diorite (LG002) 78 2401 Kd Basaltic andesite dikes (Kd, SV002) 78 3482405 Kpg Pegmatite (Kpg, BN002) [Overprint symbol 348] 78 2410 Kgu Granitic Rocks (Kg, BV002; CA002; KH003; KT002; MA002; TN003; Kgr, HE002; NL003; Kag, HU002; PzpCg, EA002; part Mzg, TC002; Ku, KN009; Kcb, Knh, BN002; Kgu, BN002; SO002) [All ages] 78 2411 Kgt Tourmaline bearing granite (HE002) 78 2415 Kgc Contaminated granitic rocks; Dark, fine- to coarse-grained contaminated granitic rocks with abundant mafic schlieren (Kgc, BV002) 78 2420 Kgd Granodiorite (Kg, MZ002; Kgq, HU002; Ki13, Ki11, Ki10, Ki7, Ki3, Ki2, Ki1, LC002; Kg3, SH002; part Mzg, TC002; Kkg, SO002) 838 2430 Kqd Quartz diorite (Ki12, Ki6, Ki5, Ki4, LC002; part Mzg, TC002; Kkd, SO002) 838 2440 Kmum Gabbro of Mount Moffit (gbm, MH002; Kd, BD002; Km?, TN002; Km, KH003; Kgab, TK003) 838 2445 Kmum Serpentinite, diabase, gabbro, and mafic volcaniclastic rocks (Ksp, KH003) 78 13 2450 Kga Alaskite (Ka, LG002; Kp, BD002, Ka3, SH002) [Overprint symbol 13] [< 85 Ma] 78 13 2460 Kgl Granite (Kw, AN002; Kg, CI005; Ki8, LC002, Kg, MZ002; RB005; Kug, NB002; Kcm, NR002; TKg, TN003; Kog, 2460) [Overprint symbol 13] [< 85 Ma] 78 13 2465 Kgs Syenite (LG002; Kae, BN002) [Overprint symbol 13] [< 85 Ma] 78 13 2470 Kgk Quartz monzonite, monzonite, and syenite (Ki15; Kmo, LG002; Kqm, TK003; Ksp, Ki, LH002; Km, Kmd, MG003; Kihd, BH002; Kg, BT002; TN002; Kqm, IL002; Kp, Kb, Kwc, BN002) [Overprint symbol 13] [< 85 Ma] 78 2475 Kgm Granite (Pedro Dome, LG002; grgm, grma, grrc, MH002; Kgq, Kcg, Ktq, Ktg, Kmg, NB002; Kqd, Kq, Kg, Kgq, Klg, Kpg, KC002) 78 2480 Klgd Granodiorite (unit Kgr [part], HE002; Kg, BD002; HP002; grmr, MH002; Ki14; LC002; Kgd, LG002) 838 2510 Kmum Serpentinized ultramafic rocks (Kum, AN002; NB002; Ksp, TN002; BH002; Kvu, CV002; s, BH003) 78 14 2515 Keg Granite (lKgg, RB009) [Overprint symbol 14] Consider deleting or renumbering 2835 or new 2836 78 14 2520 Keg Slana pluton, hornblende granodiorite, Nabesna pluton, granodiorite and quartz diorite, Antler Creek pluton, syenodiorite, Border of Antler Creek pluton, hornblendite, Klein Creek pluton, granodiorite and quartz monzonite (Kkg, MC002; MC003; Ksg, Kng, Ka 78 14 2525 Keg Quartz-feldspar porphyry (Knp, NB002) [Overprint 14] [>110 Ma] 78 14 2530 Keg Quartz monzonite (Km, MZ002; Kgr, NL003; Kg, RB004; TN003; TY002; WI002; Kinc, BH002; RM003; Kgq, HU002; Kqi+, SE002; Kq2, Km2, SH002; Kg (part), CA003; CA004) [Overprint 14] [>110 Ma] 78 3482535 Kns Nephelene syenite (Kns, SE002; Kn2, SH002; Kn, SL002; Kg (part), CA003; CA004; Kdc, SO002) [Overprint symbol 348] 78 14 2540 Keg Diorite, quartz diorite and syenodiorite (Kbd, Ksd, Kdd, Kcs, Kkd, NB002; Tqd, Tqd-f, Tqd-p, Kgd-f, TK003; Kt, MF004) [Overprint 14] [>110 Ma] 78 14 2545 Ksy Syenite (Kgi, SE002; Ks2, SH002; Kg (part), CA002; Ko, SL002; Kkms, SO002) [Overprint symbol 14] 78 14 2570 Ktt Leucotonalite and trondjemite (Kt, AN002; Knt, NB002; Kg (part), CA003; CA004) [Overprint 14] 918 2590 Kgdc Foliated (or cataclastic/mylonitic) quartz diorite (Ki9, Ki5, LC002) 918 2600 Kmi Metamorphosed granitic rocks, wide range of compositions from quartz monzonite to diorite (ag, MH002; Kgr, AR002; Kkgm, SO002; Kfg, BN002; mgg, MF003) 991 14 2630 Mzsa Migmatite and migmatitic schist (mig, mgsh, MH002) [Overprint symbol 14] 0 44 2640 Khg Hornfels and gniess (Kh, KH003; Pzh, EA002) [Also gneissose areas within hornfels, largely on the Tanana geologic map (TN002)] 838 2670 Kmum Metagabbro, metadiabase, and minor amphibolite (mgb, MH002) 361 2700 Kvs Metasedimentary rocks of the Valdez Group (Kvs, AN002; BG003; CV002; CV003; SR002; VA003; KJv, KN003; MC002; TY002; Kv, BG002; BS004; SR004; Kv, Kvm, SV002; Kvs, Kfc, Kvm, Khc, VA002) 909 2705 Kvv Valdez Group, metavolcanic rocks, undivided (Kvv, CV003; VA002; Kvt, AN002; BS004; SR004; Kvgr, CV002) 960 14 2810 KJs Argillite, chert, sandstone, and limestone (KJc, BH002; Mza, TC002) [Overprint symbol 14] 960 13 2812 KJwc Wilber Creek and Wolverine quartzite units, undivided (TN003 modified, shown as southern TrPs) [Overprint symbol 13] 960 2815 KJw Wolverine unit, quartzite and interbedded shale and siltstone, Late Jurassic or Early Cretaceous (KJw, LG002; TN003; KJqa, CI002) 960 15 2816 KJwq Quartzite of the Wolverine quartzite unit (KJwq, TN003) [Overprint pattern 15] 960 14 2817 KJws Sandstone and shale of the Wolverine quartzite unit (KJwa, TN003) 541 14 2820 KJfn Marine sedimentary rocks of Gravina-Nuzotin unit (KJa, HE002; KJs, MC002; MC003; NB002; KJgs, MzPzms, KC002; KJss, KJsm, PE002; Tsh, Ksm, Kss, Ksp, Mzp, PE003; MzPzms, Tsh, CR010) [Compare to unit KJf north of Denali Fault, HE002] [Overprint symbol 14] 541 15 2821 KJcg Conglomerate, sandstone, siltstone, shale, and volcanic rocks, westernmost outcrops of the Gravina-Nuzotin belt (HE002) [Overprint symbol 15] 541 2825 KJfm Metasedimentary rocks (JKw, LH003) 541 2850 KJf Flysch sequence, Early Cretaceous and Late Jurassic (Js, Kag, TK002; KJf, HE002; MM002, south of Denali flt.; JKs, Pzu, LH002; KJu, TY002; Km, Kw, TY003; Ks, TY004; KJs, KJc, KJsh, MG002; Ks, Kw, KJu, TY005; KJs, LC002; LH004; TK003; KJs south of Denali 541 13 2851 KJfk Flysch sequence (Early Cretaceous and Late Jurassic, unit KJfk, HE002) [Overprint symbol 13] 541 14 2852 KJfn Flysch sequence, Late Cretaceous to Late Jurassic (unit KJfl, HE002; KJm, MG002; KJs, TL002) [Overprint symbol 14] 960 16 2860 KJvr Vrain unit, pyritiferous shale and minor siltstone; not flysch, equivalent to upper part of Glenn Shale (KJv, LG002; part of MzPzat, CI002) [Overprint pattern 16] 960 16 2861 KJgu Glenn Shale, upper unit, Early Cretaceous to Middle Jurassic (KJgu, CY002; KJs, BR002) [Overprint pattern 16] 982 2873 KJv Olivine basalt (KJv, DI005; DI009) 982 2875 KJvt Tuffaceous subunit of unit MzPzat (Vrain, CI002) 982 2880 KJcv Chert and volcanic sequence (Late Cretaceous and(?) Jurassic, KJcv, FP002) 982 2885 TJih Highly altered hypabyssal rhyolite and dacite (TJih, BH002; RM003) 709 13 2890 JTrtv Pillow basalt (KJb, TL002; BH002) [see 5450, 4215, all thought to be same unit] [Overprint symbol 13] 277 2900 KJg Granitic rocks and minor monzonite (grs1, grs2, grs3, grcl, MH002; Kgd, hbqd, hbqm, hbgd, GU002; TJis, BH002; KJi, LC002; MzPzp, CH002) 826 2920 KJgg Gabbro and diorite (KJg, MG002) 826 2945 KJmu Ultramafic rocks (Early Cretaceous or Jurassic, HE002) [Compare to Kum (AN002)] 541 15 2970 KJfm Marine metasedimentary rocks, flysch, Early Cretaceous and Late Jurassic, part of the Gravina-Nuzotin belt (KJs, MH002) [Overprint pattern 15] 862 14 3000 Jsu Jurassic sedimentary rocks, marine, undivided (Js, MC002) 862 3010 Jn Naknek Formation (B-1969A; AN002; CB003; CG002; CG004; KN002; MK005; PM002; IL002; SV002; TY002; UG004) 862 3011 Jn? Naknek Formation? Use with overprint pattern 13] 862 3012 Jnn Naknek Formation -- Northeast Creek Sandstone Member (Jnn, CG004; PM002; MK002; MK005; UG004; Jns, UG002) 862 3013 Jns Naknek Formation -- Snug Harbor Siltstone Member (Jns, CG004; PM002; MK002; MK005; UG004; Jnst, UG002) 862 3014 Jni Naknek Formation -- Indecision Creek Sandstone Member (Jni, CG004; PM002; MK002; MK005; UG004) 862 3015 Jnk Naknek Formation -- Katolinat Conglomerate Member (Jnk, MK002; MK005; UG004) 862 3016 Jnc Naknek Formation -- Chisik Conglomerate Member (Jnc, CG004; MK002; MK005; UG002; UG004) 862 3017 Jnnc Naknek Formation -- undivided Northeast Creek Sandstone Member and Chisik Conglomerate Member (CG004; UG004) 862 3018 Jnis Naknek Formation -- undivided Indecision Creek Sandstone Member and Snug Harbor Siltstone Member (CG004; UG004) 793 3020 Js Shelikof Formation (Jss, Sandstone member, Jsst, Siltstone member, and Jsc, Conglomerate member, all on I-1685 now abandoned) [Shelikof Fm. is equivalent to the upper part of the Chinitna Fm. (Pavelof Siltstone Member)] 793 3030 Jc Chinitna Formation, Tonnie Siltstone Member (Jct, IL007; KN005; SV004) 793 15 3110 Jkt Kotsina Conglomerate, Middle and/or Late Jurassic? (Jk, VA002; MC002) 862 14 3120 Juc Unnamed marine sedimentary rocks, sandstone, siltstone, mudstone (Jvc, BH002; Jvc, RM003; RM005) 862 15 3130 Ja Marine arkosic sandstone and argillite, Togiak terrane (Ja, BH002) [Overprint symbol 15] 793 14 3140 Jtxc Chinitna Formation and Tuxedni Group, undivided (Jct, TK002; part of KJs, TL002; Jk, GO002) 793 3180 Jtx Tuxedni Group, undivided (Jt, AN002; KN002; IL002; Jtu, SV002) 793 3190 Jk Kialagvik Formation (Jk, UG002; UG004) [Kialagvik Fm. is similar to the lower upper part of the Tuxedni Group] 793 3210 JTrps Tatina River volcanics, Upper member, phosphatic shale and volcaniclastic sandstone (unit lJs, MG002; part of KJs, TL002) [Overprint symbol 13] 511 3250 Jtk Talkeetna Formation (JTrt, AN002; Jtk, KN002; VA002; TK002; TY002; IL002; Mzv, TY003; TY005; Jta, Jts, Jtrd, GU002; Jlvs, GO002; HG002; Jt, MK002; MK005; SV002; UG002; UG004; Jv, KN009) [Listed as sedimentary rock unit above; varies, essentially volcanic 511 3260 JTrp Phyllite and chert, possible Talkeetna stratigraphic equivalent (JTrp, BH002; MzPzgp, TA019) [Compare with 3850] 826 3340 Jmu Ultramafic rocks including layered quartz gabbro (Jum, Jlg, Ju, VA002) Lumped units 3345, 3405, 3490, 3491, 3495, 3540, 3545 258 13 3380 Jtr Trondhjemite (AN002; TK002; IL002; Jt, UL002; GO002; HG002; Jgr, HC002; Ji2, LC002) [Overprint pattern 13] 826 3390 Jmu Alkalic gabbro (Jgb, HE002) 258 3400 Ji Alaska-Aleutian Range batholith, undifferentiated (Jg, IL008; LC010: KN011; p, IL007; Ji7, MU002) 258 3401 Jgr Granite of Alaska-Aleutian Range batholith (Jg, VA002; J(?)f, SV002; Jgr, MK002; MK005) 258 14 3402 Jgd Granodiorite of Alaska-Aleutian Range batholith (Jgd, AN002; BG002; KN002; MK002; MK005; UG002; UG004; VA002; Jqm, IL002; Ji3, LC002; KJgd, KJgd-f, KJgn, TK002) 258 15 3403 Jqd Quartz diorite of Alaska-Aleutian Range batholith and Chitina Valley batholith, quartz monzodiorite, quartz diorite, tonalite, and granodiorite (Jqd, AN002; KN002; TK002; IL002; MK002; MK005; Ji1, LC002; Jt, BG002; Jc, MC002; VA002; JTrq, NB002; Jgd, CR0 258 16 3404 Jqt Quartz diorite and tonalite (AN002; Jd, Jto, SV002; JU, KN009) [Overprint symbol 16] 826 3405 Jmu Mafic and intermediate plutonic rocks, Middle to Early Jurassic, also Diorite and Gabbro of Alaska-Aleutian Range batholith (Jd, IL002; Jmip, AN002; Jgb, MK002; MK005; KJd, MF002) 511 13 3450 Jvab Andesitic and basaltic flows, flow breccias and epiclastic marine rocks; younger than Talkeetna (Jab, BH002; RM003; Jvs, GO002; mi, DI002; Kkv, BH004) [Overprint symobl 13] 826 3490 Jmu Gabbronorite, Middle and Early Jurassic (Jg, Jgs, AN002) 826 3495 Jmu Ultramafic and mafic rocks, Middle to Early Jurassic (Jum, AN002; Jm, IL002; Jum, GO002; HG002; Ju7, MU002; DL002; DL004) 705 3496 Jtu Cumulate ultramafic rocks (unit Jcu, NL003; pc, OP002) 705 3497 Jtu Harzburgite tectonite (unit Jht, NL003; ph, OP002) 705 3498 Jtu Ultramafic and mafic rocks, Middle to Early Jurassic; Dishna River mafic and ultramafic rocks (Juu, NL003; Jumc, AR003; WI003; Ju, AR002; UL002; Jdr, ID002; OP002; JPu, MZ002; BT002) 826 3540 Jmu Hornblende gabbro and leucogabbro (layered) (Jgl [now Jtg), VA002; shgb, GU002) 826 3545 Jmu Ultramafic rocks, Early Jurassic or older (shgb, GU002) 258 15 3550 JTrg Granodiorite of Taylor Mountain batholith and related(?) rocks (JTrg, TC002; JTrg, Mzh, EA002) 258 15 3555 Jsy Hornblende syenite porphyry (MZs, TC002; Js, EA002) 824 3600 PPast Metamorphic and plutonic rocks, undifferentiated, Jurassic, (Jpmu, TK002) 443 3610 Jsch Schist of Kodiak Island, = Raspberry Schist of Roeske and others (1989). Equivalent to Seldovia Schist and Schist of Iceberg Lake in Cook Inlet Region and Schist of Liberty Creek, (Jgb, Klc, VA002, revised G.R. Winkler, 1998; Jsm, SV002; Js, KD004) 824 3621 PPast Migmatite border zone of granodiorite (Jgdm, TK002) 990 3700 Jps Pelitic schist, Jurassic (Jps, AN002) 980 3820 JTrmc McCarthy Formation, argillite and impure limestone (Early Jurassic-Late Triassic) (JTrm, BG002; MH002; MC002; VA002) 980 3821 JTrmc Limestone, shale, and chert (Early Jurassic(?)-Late Triassic (Norian)); newly recognized unit in Taylor Mtns. (eJTrl, TA008) 980 13 3830 JTrsu Red and brown sedimentary rocks and basalt (Early Jurassic-Late Triassic) (JTrrs, HE002) 844 3850 JTrct Crystal tuff, argillite, chert, graywacke, and limestone, deep marine, Late Jurassic to Late Triassic(?) (Jta, TK002; JTrta, HE002; JTrsv, TL002) 717 3851 JTrta Crystal tuff, argillite, chert, graywacke, and limestone, deep marine, Late Jurassic to Late Triassic(?), thought largely Triassic (unit JTrt, MD002; MD003; OP003; JTrp, SV002; JMc, RB009) 980 16 4020 Trk Kamishak Formation [includes some volcanic rocks] (Trls, UG002; Trk, KN002; MK002; MK005; UG004; Trku, Trkm, Trkb, IL002; KCg2, DI002; TA002) [Overprint symbol 16] 844 15 4021 Trlb Limestone and basalt sequence, Late Triassic, Norian (Trlb, HE002; MM002; TL002) [Overprint 15] 980 7084030 JTrlm Chitistone and Nizina Limestone units, undivided (Trl, AN002; Trn, BG002; unit HE002; Trcn, Trm, MC002 [+ 20,000 hfls]; Trl, MH002; VA002; Trl, Tsk, TK003) 980 7084031 JTrlm Limestone and marble (Jls, TK002) 980 15 4032 Trsl Spiculite and sandy limestone, Late Triassic, Norian (Trs, MD002) [Overprint symbol 708] 941 4033 Trcs Calcareous sedimentary rocks, Late Triassic, middle(?) Norian and Late Karnian (Trcs, HE002: MM002; Pzsl, TL002; Trls, MG002) 941 4034 Trgl Glenn Shale, lower unit, Late and Middle Triassic (CY002; Trs, Trks, DP004; ML002) 892 4035 Trvs Limestone, chert and some greenstone (Trvs, GO002; DI003) 941 13 4050 Trcg Conglomerate and volcanic sandstone, Late Triassic, Norian (HE002; Trvs, LH004; Trs, MG002) [Overprint pattern 13] 980 13 4060 Trr Red beds, Late Triassic (Trr, HE002; JTrrs, MM002) 941 4080 Trgl Calcareous phosphatic shale and limestone [probably correlative with lower part of Glenn Shale] (Trs, LG002) 941 4110 Trcs Otuk Formation and black shale and chert, Triassic (Trc, LG002; Trs, SL002; Tro, AL002; JTro, JTro1, JTro2, DL002; JTro, JTro1, JTro2, JTro3, JTro4, DL003; DL004; MU002; Tro, AC002) 980 4150 Trss Shuyak Formation, sedimentary member (Trss, KD004; Trvm, KD002) 892 4205 Trvs Rhyolitic lava and breccia, tuff, chert, and shale, in Kantishna quadrangle, unit eliminated on newer TN003 compilation (Trvs, KH003) 439 4210 Trn Mafic igneous rocks, Triassic(?) (Trm, LG002; KH002; Unk, RB?) 709 13 4215 JTrtv Tatina River Volcanics, lower members, pillow basalt and gabbro (Trab, MG002; Trb, LH003; LH004; MG003; BH002) [see 5450, 2890, all thought to be same unit] 439 4230 Trv Upper Triassic volcanic rocks (Trv, UG002; UG004) 844 4235 JTrvs Chulitna Sequence -- volcanic and sedimentary rocks, Late Triassic, Norian (JTrvs, TL002) [Lumped with units 5010 and 3850] 379 4240 Trvm Mafic dikes, sills, and plugs intruding Shuyak Formation (Trm, KD004) 668 4250 Trsv Shuyak Formation, volcanic member (Trsv, KD004) 7 13 4310 Trqd Afognak pluton, U-Pb age indicates is probably Triassic (Ja, KD004) [Overprint symbol 13] 826 4320 Trgb Gabbro, diabase, and metagabbro, Late Triassic(?) (ga, MH002; Trg, Trum, MG002; Trg, Trcg, GU002) 826 4321 Trgb Cumulate mafic and ultramafic rocks, Late Triassic(?) [Nikolai related] (cu, MH002) 708 4340 Trc Carbonatite (Jsc, TN003; TN004) 709 4410 Trnm Schistose metasedimentary and metavolcanic rocks, Late Triassic (csv, MH002; JTrs, NB002) 905 13 4415 Trmg Biotite-hornblende syenite-monzonite gniess (JTrg, NB002) [Overprint symbol 13] 439 4420 Trn Nikolai Greenstone, Late and/or Middle Triassic (Trng, BG002; Trn, GU002; MH002; MC002; MC003; VA002; NB002; Trn, Trbd, HE002; Trmb, Trab, TK003) 439 4421 Trn Nikolai Greenstone - subaerial basalt flows member, Late Triassic (Trnf, MH002) 439 4422 Trn Nikolai Greenstone, Late and/or Middle Triassic, pillow basalt member (Trnp, MH002; Tra, Trap, TK003) 439 4423 Trn? Basalt, diabase, and subordinate sedimentary rocks, Late Triassic, Karnian and Norian (Trbd, MM002) 439 4425 Trcb Cottonwood Bay Greenstone (APMAP; MzPzg, LH002; Trc, IL002; MK002; MK005; Sc, LC002; JTrv, LC003; Trv, DI005; JTrca, LC006) 439 4430 Trn Basaltic metavolcanic rocks, Late Triassic, (Trv, TK002) 709 4440 Trnm Metavolcanic, metavolcaniclastic, and subordinate metasedimentary rocks, Late Triassic, late Norian, (Trvs, HE002) 709 4450 Trnm Metabasalt and slate, Late Triassic (Trvs, TK002) 853 4710 MzPzt Togiak-Tikchik Complex, formerly Gemuk Group, chiefly siltstone and lesser chert and volcanic rocks (KTrg, SM002; KCgu, RM002; MzPzvs, RM004; TrPvs, MA002; KCg1, DI002; TA002; KCg, BH003) 259 4800 Mzi Intrusive rocks, quartz diorite and diorite (TY003) 709 14 4870 Ktrv Gabbro and basaltic rocks of Kechumstuk Mountain in Interior Alaska, largely altered mafic volcanic rocks (Mzgb, TC002) [Overprint symbol 14] 439 4880 Mzm Mafic rocks, diorite and gabbro (Mzm,TY003; Mg, SV002; Mzg, g, BM002; mi, AR002) 807 4890 Mzum Ultramafic and associated rocks (Mzp, EA002; Mu, SV002; um, MH002; GG, VA005 [new unit]) 807 4891 Mzum Ultramafic and mafic igneous rocks along Broxson Gulch thrust (umm, MH002) 892 4905 JPzk Metasedimentary and metavolcanic rocks, (Mzs, TY003; TY005) (Correlated with Kakhonak Complex) 892 4920 JPzk Metavolcanic and metasedimentary rocks, (Mzu, TY003; TY005) (Correlated with Kakhonak Complex) 941 16 5000 Pzeg Etivluk Group, undivided: Maroon, red, green, gray, black, and variegated chert and siliceous argillite, minor maroon calcareous siltstone and argillite, and rare maroon or gray limestone lenses. (JPe, BM002) [Overprint pattern 16] 892 5004 TrCs Sedimentary rocks: Includes: Shublik and Otuk Formations - Black shale, siltstone, limestone, and black chert; Sadlerochit Group - black shale, and bluff calcareous siltstone; Siksikpuk Formation - black, red, and green shale and siltstone; buff calcare 941 14 5012 TrPs Dark gray, phyllitic, siliceous to carbonaceous argillite and shale, subordinate chert-rich conglomerate, chert, volcaniclastic rocks, highly calcareous argillite or limestone, and minor intrusive rocks. (Ps, TN002; TrPs, TN003; SL002) 615 5020 TrMts Formerly Rampart Group, sedimentary rocks, now considered Tozitna -- Triassic to Mississippian (TrMrs, LG002; JMr, TN003; PaMc, ch, CI002; JPc, BV002; Pza, CY002; Pq, EA002) 615 5021 TrMis Rampart Group, sedimentary rocks, Triassic to Mississippian (unit TrMs, OP002; TrMv, MD003; OP003; Pg, RB003) 972 16 5026 MzPzc Chert and argillite, Goodnews terrane (BH002) [Overprint pattern 16] 0 5030 TrPzvsVolcanic and sedimentary rocks of Talkeetna superterrane, Triassic and Paleozoic (HE002) [Only in cross-sections] 941 7085035 TrPgt Lower unit Glenn shale and Tahkandit Limestone, undivided (TrPgt, CY002; PCs, BR002) [Overprint pattern 708] 615 16 5040 TrPas Flysch-like sedimentary rocks (TrPas, HE002; Trps, MM002) [Overprint symbol 16 615 16 5045 MzPzv Turbiditic volcaniclastic sandstone and argillite, Goodnews terrane (MzPzv, BH002) 615 13 5050 MzPzs Arkosic sandstone and slate, Goodnews terrane (MzPzs, BH002 615 14 5060 Pcs Marine sandstone, shale, limestone and conglomerate (BH002; KCgl1, DI002) 913 16 5090 MzPzm Melange and argillaceous melange, Goodnews terrane (MzPza, BH002;) [Overprint symbol 16] 980 14 5110 TrDv Chulitna Sequence -- volcanic and sedimentary rocks, Early Triassic to late Paleozoic (unit TrDv, HE002) 615 5111 TrMicaChert, volcanic rocks, metasandstone, and limestone (TrMc, ID002) 615 5112 TrMicaChert, argillite, and volcaniclastic rocks (TrPzc [TrMc], OP002; OP003) 708 5113 JPztm Mafic and ultramafic rocks, undivided (Jurassic? and/or Paleozoic?) (Pzmi, RB005) 599 5120 MzPzi Volcanic rocks, unknown age (unit vr, NL002; MzPzb, EA002) 708 16 5130 JTrtmuRampart Group, igneous rocks, Triassic to Mississippian (unit TrMrv, LG002; JMr, TN003; MzPzc, CI002; CY002; Pzv, BR002; TrMb, NL002) [Overprint 16] 615 5131 TrMtsuMafic and sedimentary rocks; pillow basalt, chert, and minor argillite (JMms, TN002; TrMcb, OP005; MD004) 717 5132 JMtru Undivided Tozitna (mafic rocks?) (JMr, TN003 717 5133 JMtu Mafic, ultramafic, and sedimentary rocks of the Tozitna sequence, undivided (Jurassic to Mississippian) (mi, RB002; Pzrgmsv, Pzrgs, RB004; JPv, BT002) 717 5140 JMab Basalt and diabase, Permian to Jurassic (TrPv, KH003; JMbc, TN003; Jv, HU002; SE002; SH002; JPv, BV002; JPb, MZ002; RB003; RB004; TrMb, OP002; NL003; MzPzv, WI002; TrPg, SL002; JDv, RB009; MzPzb, BN002) 708 5150 Jaum Ultramafic rocks, Permian to Jurassic (JPu, TN002; RB004; JMu, TN003; Js, SH002; s, BM002 [in part]; Jumc, CA004; RB009) 599 5160 MzPzi Undivided intrusive rocks, Mesozoic or Paleozoic (MzPzi, TL002; MzPzt, BN002) 599 5170 MzPzg Granodiorite of Rainbow Mountain (grrm, MH002) 599 5175 MzPzi Diorite (MzPzd, CI002) 599 5180 MzPzi Gabbro and quartz diorite, Mesozoic and/or Paleozoic (MzPzg, EA002; TL002; MzPzi, LH003; LH004; MG002; MG003) 817 5190 MzZum Undivided dunite and serpentinite, Mesozoic or Paleozoic (MzPzd, TL002; part of Jsc, TN003; MzPzs, BN002; SO002) 991 5200 MzPzu Metamorphic rocks, undivided (JPzm, AN002; MzPzu, KC002; b, c, cs, m, BM002; PzPs, WI002; MzPzp, PE002; TKp, Mzp, PE003) 941 5201 Trcs Fine- to medium-grained mylonitic metasedimentary rocks, calc-schist, marble, quartz-mica schist (as, MH002) 824 13 5202 Pe Metasedimentary rocks sequence, overlying 100-m-thick chert sequence and principally (700 m) black argillite containing minor sandstone and limestone (TrPam, HE002) [Overprint pattern 13] 824 5204 PPast Dadina Schist (ds, GU002) [Overprint pattern 348] 991 14 5205 Mzsa Schist and amphibolite, Late Cretaceous or older (sa, MH002) [Overprint pattern 14] 991 15 5206 Mzpca Quartz-mica schist, calc-schist, and amphibolite, Late Jurassic or older (msh, MH002) [Overprint pattern 15] 941 5207 Trcs Schist, quartzite, and amphibolite, Triassic(?) (unit sq, MH002) [See also MH002 units mig and mgsh. Lithologically similar rocks on strike in Healy quad have Penn to Trias conodonts, see unit Trcs?] {Mzmm} 941 15 5208 TPza Raven Creek Hill unit, metasedimentary gneiss, mica schist, phyllite..., Mesozoic or Paleozoic (MzPzr, LG002; Pzsr, TN002; TN003; KH003) [Overprint symbol 15] 991 15 5210 Mzpca Argillite and metagraywacke, Late Jurassic or older (ma, MH002; part Kag, TK002) [Overprint pattern 15] 991 5211 MzPzaqArgillite and quartzite (CI002) Deleted unit in revision. 991 15 5215 Mzpca Phyllite, Late Jurassic or older (mph, MH002) [see Pzp, #5540] [Overprint pattern 15] 960 16 5216 KJvr? Phyllite, amphibolite, greenstone, and diorite, Mesozoic or Paleozoic (MzPzp, LG002) Lumped with Vrain [Overprint pattern 16] 972 5217 MzPzp Chloritic phyllite, Goodnews terrane (BH002) 892 5220 JPk Kakhonak Complex (Jurassic, Triassic and older?) (JPk, Jmg, IL002; JPk, MK002; MK005; MzPzs, LH002; Mzv, Mzu, LH003; TrPztc, LC003; LC004; as, KN009) 972 13 5225 MzPzm Metachert and phyllitic quartzite, Goodnews terrane (MzPzm, BH002) 388 5230 JPe Banded dark-green, gray, and red eclogite and banded amphibolite. (JPe, BV002) 439 5240 MzPzb Metabasalt and minor metachert (MzPzm, LC002; LC005; LC006; M, LC006) 905 14 5245 JPaur Uranatina Metaplutonic Complex, Jurassic(?), Layered quartz gabbro; Amphibolite and orthogneiss (Khc, Kag, Jag, VA002; sqm, sqd, sgd, shd, GU002; Mzms, TK003) [Changed per Winkler, 1998] [Overprint symbol 14] 905 5250 MzPmi Metamorphosed igneous rocks, post-Carboniferous (mi, NL002; MzPzi, BM002; MzPzmi, KC002) 972 15 5260 MzPzq Schist of lower grade metavolcanic and metasedimentary rocks unit (TrPs, JU010) [Overprint pattern 15] 717 5280 MzPzo Ophiolitic metamorphosed mafic rocks (MzPzb, UL002; HC002) 905 5285 Pzrmi Metamorphosed mafic igneous rocks (Pzm, TN003) 817 5290 MzZum Serpentinite, Mesozoic and/or Paleozoic (MzPzu, TL002; TC002; Kum, SD002; TR002; TKum, JU002) 821 7085300 Pzds Dolostone, black shale and carbonate rocks (Pzd, Pzbs, BM002) [Overprint symbol 708] 821 7085310 DCd Dillinger stratigraphic sequence, undivided; sedimentary rocks of Dillinger River, lime mudstone and shale, etc, Paleozoic (Pzd, TL002; Pzu, LH002; LH003; Pzdu, LH004, part of Pzl, SM002; DOsl, MD002; Pzc, MM002) 863 5320 Pzld Massively bedded limestone, dolomite, and schist, Paleozoic, Seward terrane (Pzl, CA002; SE002[SW part]; Pzc, NR002) 863 13 5321 PzZls Undivided limestone and schist, Paleozoic (Pzls, CA002; Pzu, NR002) [Overprint pattern 13] 863 14 5322 Pzls2 Limestone and quartz-mica schist, Paleozoic, Seward terrane (Pzs, CA002; NR002) [Overprint pattern 14] 805 7085330 Pzlc Limestone and chert (Pzl, CI002) [Overprint pattern 708] 712 7085340 Pzrm Carbonates, early Paleozoic (Pzl, TN003; Pzc, BT003; OP002; RB003; RB009; mcl, NL002; PzpCc, NL004; Pzm, BV002; MZ002; BT002; PaMcl, MD002) [Overprint symbol 708] 210 5341 PPl Limestone?, Permian-Pennsylvanian? (unit PPl, LH003) 615 14 5350 Pzqa Quartzite and argillite, Late Paleozoic (Pzqa, CY002) [Overprint pattern 14] 615 15 5355 Pzca Chert and argillite, Late Paleozoic (CY002) [Overprint pattern 15] 513 15 5360 Pzsu Clastic rocks, undivided, Paleozoic(?) (Pzu, CY002) [Overprint pattern 15] 513 3485370 JCmd Mystic and Dillinger stratigraphic sequences, undivided (Triassic to Ordovician), undivided sedimentary rocks, typically flysoid (Pzp, Pzus, TL002; Pzc?, DOs, DOs?, MM002; Dos, HE002) [Overprint pattern 348] 513 5375 JDm Mystic stratigraphic sequence, undivided (Triassic to Devonian) (Pzmu, LH004) 709 13 5410 Pzvs Volcanic and sedimentary rocks, middle or late Paleozoic (Pzv, TL002; Pzvs, KH003; JPzu, SH002) 599 5440 MzPzi Diorite (Pzd, BD002; TC002) 709 13 5450 JTrtv Pillow basalt, middle or late Paleozoic (Pzbs, TL002) [see 2890, 4215, all thought to be same unit] 19 2385460 Pagb Gabbro and leucogabbro, Late Paleozoic, Permian to Pennsylvanian (Pzg, VA002; Pgo, MC002) [Overprint pattern 248] 208 5470 Pzug Ultramafic and mafic rocks and greenstone (Pzg, Pzum, NB002; Pu, MC002; Pzmu, CY002) 388 5475 Pze Eclogite see Chatanika unit [5510], which includes eclogite in Livengood quad (Pze, CI002) 388 7085500 Pzkm Undivided Paleozoic metamorphic rocks: Marble and marble of Klery Creek, and quartz mica schist (Pzm, Pzkm, Pzqms, Pzqs, Pzbq, BM002; MzPzg, CS002) [Overprint symbol 14] 388 5510 Pze Chatanika unit, allochthonous garnet-bearing qtz-bio-mus schist and quartzite, Paleozoic (Pzb, EA002; Pzc, LG002; PzpCms, CI002) 712 7085525 Dm Marble, Paleozoic (Dl, HU002; Pzl, SE002 [N part]; SH002; Pzc, SH004; Pzkm, SE003; Pzm, BM002; Pzc, SP003; AR003; BM003; WI003; Pzm, WI004) [Overprint symbol 708] 615 16 5542 TrMtqpCalcareous siltstone and sandstone and phyllite (Pzc, KH003; TrMq, NL003; PzpCs, OP002; Pzrp, RB004; MzPzq, NR002, CA003; RB009; PzpCq, MZ002) [Overprint pattern 16] 615 16 5545 PMpc Phyllite, calcareous phyllite, and marble (uPzs, uPzc, MG002) [Overprint pattern 16] 824 5550 PPast Meta-hornblende andesite, Late Paleozoic(?); Amphibolite and quartz diorite, Middle to Early Jurassic metamorphic age (mha, MH002; GU002; Jma, AN002; TK002; uPzsv, TK003) [Overprint pattern 348] 939 5600 PDms Greenish-gray siliceous slate, quartzite, chert, and greenstone, Perm-Miss. (PMs, LG002) 813 2385605 MDtm Cataclastic rocks, Totatlanika Schist (unit Pzc, BD002; PzpCm, EA002) [Overprint pattern 238] 939 5615 PDms Metamorphic and sedimentary rocks, black and greenish-gray siliceous slate, chert siltstone, debris flows, greenstone, Permian to Devonian(?) (PDms, LG002; Pzar, TN002) [Overprint pattern 348] 824 14 5620 Pat Slana Spur Formation, marine calcareous and noncalcareous volcaniclastic rocks, Early Permian-Middle Penn. (PaPs, MH002) [Overprint pattern 14] 824 14 5621 Pat Slana Spur Formation, calcareous volcaniclastic rocks, Early Permian-Middle Penn. (PaPsu, MH002) [Overprint pattern 14] 824 5625 PPast Metamorphosed Skolai Group (PPasm, MC002; uPzfv, TK003) [Overprint pattern 348] 824 5630 PPasc Slana Spur Formation, volcaniclastic rocks, Early Permian-Middle Penn. (PaPsl, MH002; Ps, NB002; PPs, GU002; Pzv, TK002; Pzt, Pmvs, Pat, TK003) [equivalent to part of Station Creek Fm.] 642 5635 Pzvc Volcanic rocks, volcanic sandstone, cherty argillite, quartzite, and tuff (NB002) 615 5640 JPzsgsGreenstone (Pzg, CI002) 824 5641 PPast Greenstone (unit mcb, GU002; Jgs, TK002) [Overprint pattern 348] 923 5660 Pzk Keevy Peak Formation, schist, quartzite, and phyllite, early Paleozoic (Pzk, HE002; MM002; Pzq, BD002; CI002; EA002; Pza, TC002; bc, FB002) 923 5661 Pzk? Keevy Peak Formation, schist, quartzite, and phyllite, early Paleozoic (PzpCg, TC002) 923 16 5662 Pzkcp Calcareous and phyllitic rocks (Pzm, CI002; BD002; bc, FB002) [Overprint pattern 16] 923 13 5666 Pzsc Spruce Creek sequence of Kantishna Hills from Bundtzen thesis (unit bc, FB002; Pzsc, MM002); Muskox sequence of Newberry and others (1996), FB004 [Overprint pattern 13] 466 5670 PzZyg Big Delta Gneiss dome (Pzg, BD002) 824 5680 PPast Metamorphic complex of Gulkana River, amphibolite (am, GU002) 817 5690 MzZum Metamorphosed ultramafic rocks (Pzu, BD002; Pzmg, GO002; HG002) 842 13 5710 Psu Sedimentary rocks, undivided, Permian. Sandstone, siltstone, and quartzite (Pu, CY002) [Overprint pattern 13] 210 5730 Pls Unnamed Permian limestone (Pls, UG002; UG004; Pl, GO002; HG002; DI003; KCgl, BH003) 210 7085735 Ptl Tahkandit Limestone, massive bioclastic limestone (Pt, CY002) [Overprint 13] 842 2385740 Ps Argillite, sandstone, sandy limestone, and minor conglomerate (LG002; KH003; RB009; MD002) [Overprint pattern 238] 615 14 5745 Pcs Graywacke, conglomerate, and mudstone, Permian(?) (Kc, RB002; Pg, RB004) [Overprint pattern 14] 824 5750 Ph Hasen Creek Formation (MC002; MC003) 210 5755 Phls Limestone of the Hasen Creek Formation (Pl, MC002; MC003) 464 5810 Pv Permian(?) volcanic rocks (agglomerate) from Hanson (1957) (Pv, KR004; GO002; KCg3, DI002; TA002; KCgv, BH003; Phb, PE003) 615 3485830 JPzsgsGreenstone and chert (Pgc, BD002) [Overprint pattern 348] 19 5860 Pmi Shallow-level stocks, dikes, sills and small plutons, Early Permian? (Pi, MH002) 19 5870 Pmgi Monzonitic-granitic complex (Pm, MC002; Pam, BG002) 19 5880 PPad Diorite complex, diorite, granodiorite, and altered diabase and gabbronorite (JTrd, NB002; PPd, PPa, GU002; Mza, NB002) 824 5920 PPast Strelna Metamorphic complex, low- to medium-grade greenschist and amphibolite, Late Jurassic or older (Ja, Psm, VA002; uPzas, TK003; Pas, BG002; qmfs, mmp, GU002; Pavs, MS002; JPhc, VA007) [Overprint pattern 348] 824 16 5940 Pmg Mankomen Group, undivided (Pm, NB002) [equivalent stratigraphically to Skolai Group] 824 13 5950 Pe Eagle Creek Formation, Early Permian, marine argillite and limestone, lower greenschist facies (Pe, MH002; NB002; Pac, uPzsl, TK003) [equivalent to Hasen Creek Fm.] [Overprint pattern 13] 824 13 5955 Pzskm Skolai Group, marble, Early Permian to Middle Pennsylvanian (Pasm, BG002, Pzm, VA002; Pm, MC002; Jmb, Jmrb, Pls, TK002; ulPla, lPls, uPzdt, uPzsm, TK003, M, VA002) [Overprint pattern 13] 615 5960 Pq Quartzite, phyllite, micaceous quartzite, marble, inferred Permian age (Pq, BD002) 708 5980 JPsu Serpentinized ultramafic (Pu, BD002; Pzp, CI002; MzPzs, MzPzp, EA002, Dmu, FB002) 745 7086000 PDl Pennsylvanian, Mississippian, Devonian, light gray limestone PDl, BM002) [Overprint symbol 708] 513 2386010 PDsc Sheep Creek Formation and correlative largely siliciclastic units of the Mystic stratigraphic sequence (Permian to Devonian); Conglomerate of Mount Dall, Middle Pennsylvanian (Pad, TL002; PDs, MG002; PDs, uPzs, uPzac, MG003; PDs, LH004) [Overprint patter 745 15 6020 PaDcb Calico Bluff and Ford Creek Formations, undivided (PaDu, CY002; lPMc, MDf, EA002) [Overprint pattern 15] 615 6080 TrMicaChert and limestone, chiefly chert, Penn and Miss (Kc, RB002; MDc, RB003; RB005; TrDc, MD004; OP005; PaMc, MD002; TrMc, MD003; RB009; Mrc, TA019; IPMc, DL002; DL004; IPMc2, DL003; DL004; IPMc4, DL004; IPMc1, DL002; DL003; DL004; IPMc12, DL002; DL003; DL0 208 6110 PPagi Granitic plutons south of Denali Fault (MH002; Pag, MS002) 824 14 6120 Pat Station Creek Formation andesitic volcanic rocks (correlated with Tetelna volcanics), Early Permian? and Pennsylvanian (Ppav, HE002; Pzt, MH002; lPsmv, TK003; PPsc, MC002; PlPsc, MC003) [Overprint pattern 14] 745 15 6200 PMc Lisburne Group, Kuna Formation, also includes black carbonaceous metachert, quartzite, and siliceous or calcareous phyllite, commonly distinctive silvery blue (phosphatic) bloom on weathered surfaces (PMc, BM002) [Overprint symbol 15] 824 14 6220 Pat Tetelna Volcanics, volcanic flows, etc., lower greenschist facies (Pat, MH002; Pzv, PPt, NB002; Pt, GU002) [Overprint pattern 14] 208 2386230 Pzi Metamorphosed intermediate igneous rocks (Pzi, AR002) [Overprint symbol 238] 745 6300 MDe Endicott Group, undivided. Unit includes the Hunt Fork Shale, Noatak Sandstone, Kanayut Conglomerate, Kekiktuk Conglomerate, and Kayak Shale. (MDe, BM002; Me, DP004; ML002) 745 6320 MDl Lisburne Group, Kogruk Formation (uppermost?) Fossiliferous limestone, Miss. (ls, HC002[?]; Mko, Ml, BM002; Ml, SL002 TE002; Mko, Mko1, Mko2, Mko3; Mkoc3, DL002; DL004; Mko, Mko2, Mko3, DL003; Ml1, Mko3; Mko3e, MU002) 745 16 6325 Mlg Lisburne Group, undivided (Ml, AR002; CH002; SP002; PaMl, PaMlu, PaMa, Pac, Ml, Ml?, Mll, PaMl?, AC002; Ml, Mlb, CO002; Mlch DL005; PaMl, DP002; DP004; ML002; Mlb, Mlr, Mlri, PaMap, HW003: PPMl, PaMa, PAMlc, KL002) 734 13 6330 Mk Endicoot Group, Kayak Shale (Mk, AR002; BM002, DP004; ML002; SP002) [Overprint symbol 13] 210 6335 PMl Younger limestones of Mystic stratigraphic sequence (Mississippian) (uMl, LH004) [Overprint pattern 348] 734 14 6360 Mke Endicott Group, Kekiktuk conglomerate (Mke, AR002; DP004; ML002; Mke, Mke?, SP002) [Overprint symbol 14] 734 2386365 Mkk Endicott Group, Kayak Shale and Kekiktuk Conglomerate (Mkk, AR002) [Overprint symbol 238] 734 15 6370 Mkkc Endicott Group, Kekiktuk or Kanayut Conglomerate (Mc, AR002; MDk, CO002) 745 6380 MDl Lisburne Group, Utukok Formation - Limestone, Mississippian to Devonian (MDl, OP002; CY002; Ce, CY005; MDm, BH002; Dl, BR002; MDl, MDue, BM002; Mu1, Mu2, Mu3, Mul3, Mus1, Mus3, DL002; Mu1, Mu2, Mu3, Mul1, Mus1, Mus2, Mus3, DL003; Mu1, Mu2, Mu3, Mul1, Mul 734 6390 Mc Chert, Mississippian (Mch, SP002) 615 13 6391 MDfl Ford Lake Shale, laminated siliceous shale and chert (MDf, CY002; Ms, ML002) [Overprint pattern 13] 745 13 6400 Mlt Limestone and tuff (Mlt, BM002) [Overprint symbol 13] 799 13 6412 MDv Massive and pillowed basalt and other volcanic rocks (KCgg, RM002; BH002) [Overprint pattern 13] 813 6510 MDt Totatlanika Schist, metavolcanic and metavolcaniclastic rocks, Early Mississippian to Middle Devonian, (MDt, HE002; MM002; Mt, FB002; Pzsg, BD002; very tentatively unit Pzu, TC002) 813 6511 MDt? Totatlanika Schist?, metavolcanic and metavolcaniclastic rocks, Early Mississippian to Middle Devonian, (bc, FB002; PzpCgr, CI002; MDt?, KH) 556 6521 MDyao Augen gneiss and schist, Mississipian or Devonian intrusion age, Yukon-Tanana terrane (lga, MH002; PzpCa, BD002; Da, CI002; PzpCg, EA002; Mog, LG003) [overprint pattern 16] 556 6522 MDrao Augen gneiss and schist, Mississipian or Devonian intrusion age, Ruby terrane (Dao, TN003; Km, MZ002) [overprint pattern 16] 911 2386530 Mgq Globe quartzite unit Similar to Keno Hill Quartzite in Yukon (Mg, LG002; Vitreous quartzite unit of MzPzaq, CI002; Mq, TN003) [Overprint pattern 238] 821 13 6900 Dnu Endicott Group, Noatak Sandstone and phyllite, carbonate and clastic rocks of the Nakolik River, shale, (Dn, Dnu, Dnl, Ds, Dl, BM002; Dw, Dn, Dbl[?], CS002) [Overprint symbol 13] 803 6902 Dp Phyllite, slate, silicious siltstone, and argillite (Dps, KH002; DOs, KH004; Dp, BV002) 745 6905 Dm Ruby marble (unit Pzm, RB004; Pztbl, RB005) [Dubious age call?, reported in source as Paleozoic?] 803 2386910 Dtr Troublesome unit, rhythmically interbedded cherty argillite to chert and thin beds of slate, Devonian(?), also McCann Hill Chert (Dt, LG002; Pzvs, TN002; Pzc, CI002; Dm, CY002; EA002; Dvc, CH002) [Overprint pattern 248] 513 14 6911 Dsc Shale and chert of Mystic stratigraphic sequence (Devonian) (Dsc, LH004; DOs, BH004) [Overprint pattern 14] 805 14 6912 Dmo McCann Hill chert and Olgilvie Formation, undivided (Dmo, CY002) [Overprint pattern 14] 805 13 6913 DOmr McCann Hill Chert and Road River Formation, undivided (DOu, CY002) [Overprint pattern 13] 821 14 6914 MDkn Endicott Group, Kanayut conglomerate and Noatak sandstone (MDkn, MU005; WI002; Dkn, Dkln, CL002; Dkn, KL002; Dk, DL005; MDkna, HW004; MDnl, DL003; MU002; MU003; MU004) [Overprint symbol 14] 821 15 6915 Dky Endicott Group, Kanayut Conglomerate (Dk, AR002; Dk, Dk?, SP002; MDk, BM002; MDk, Dkq, CS002) [Overprint symbol 15] 821 16 6916 Dkyq Endicott Group, Kanayut Conglomerate - Quartz arenite and quartz wacke member (Dkq, SP002; CS002; Dgw, CH002) [Overprint symbol 16] 734 2386331 MDkh Interlayered dark gray to black phyllite and calcareous phyllite. Unit is more siliceous than either Early Mississippian Kayak Shale or Late Devonian Hunt Fork Shale although it is lithologically similar to both. At present, these rocks are considered 803 6920 Dnr Quail unit, conglomerate, phyllite, calc-phyllite, siltstone, and sandstone, Late Devonian(?), also Nation River Formation of Charley River quad. (Dq, LG002; Dnr, CY002; Dn, EA002) 803 14 6921 Dnr? Calcareous clastic rocks; also Devonian sandstone and shale (Dss, BV002; Pzc, TN002) 803 15 6922 Dnr2? Quartz wacke (Pzw, TN002; KH003) 805 15 6923 Dnrc Conglomerate, Nation River Formation (Dnrc, CY002) [Overprint pattern 15] 815 13 6925 Dhf Endicott Group, Hunt Fork Shale (Dhf, AR002; BM002; Dhf, Dhf(b), CS002; Dhf, Dhf?, Dhfs, Dhfs?, SP002; Dhf, Dhf?, Dhs, Dhs?, WI002; Ds, Dst, Dp, CH002) [Overprint symbol 13] 815 7086930 DSl Limestone, Late Devonian (Dql, LG002; Dl, TE002; MU002) [Overprint symbol 708] 513 13 6931 DSml Carbonate rocks of the lower part of the Mystic stratigraphic sequence (Devonian and Silurian) (lDl, lDd, uDl, Dls, MG002; uDl, mDl, MG003; DOs(ls), HE002; MM002; lDl, uDl, LH004; uDl, LH003; Dl, NB002; DOs(ls), BH004; Dls, PE002) [Overprint pattern 13] 803 16 6934 Dg Dark-greenish-gray fine-grained impure graywacke (Dg, BV002; Dsq, CH002) [Overprint symbol 16] 812 13 6935 Dcs Chloritic siltstone and conglomerate (Dc, AR002; Dqq, CH002) [Overprint symbol 13] 805 6940 Dcb Cascaden Ridge, Beaver Bend combined correlative units, shale, siltstone, sandstone, conglomerate, and minor limestone, Middle Devonian (Dc, Dcg, Dq, LG002; Pzcg, Pzcc, CI002; Dc, CI003?, some chert CI002) 815 7086944 DSl Limestone (Late Devonian to mid-Silurian) (Dls, KH002, Dl, KH004; CI002; Dlr, Dld, Ml, TN003; Pzl, BV002) 712 6945 Ds Schwatka unit -- Limestone and Ogilvie Formation of Clough (1980), Middle and Early Dev. (Dsl, LG002; CI003; Do, Dwl, CY002; Dl, RB002; DSl, CI002) 801 7086983 DSbs Baird Group, Skajit Limestone (DSsk, AR002; SP002; DOs, CS002; DSk, WI002; Dsk, CH002) [Overprint symbol 13] 712 14 6952 DSca Barren Ridge limestone, calcarenite, calcareous siltstone, and limestone (DSl, MG002; MG003; LH004) [Overprint pattern 14] 712 7086955 Dlc Lost Creek unit, lime mudstone and wackestone, Devonian and Silurian (DSl, LG002; Pzmr, TN003; Sl, BR002; Dl, CY002) [Overprint symbol 708] 812 6956 DSls? Limestone, dolomite, greenstone, and chert (Pzl, TN002; Pzsl, KH002) 812 6957 DSls (DSls, LH003) 712 14 6960 DSwc Whirlwind Creek Formation and unnamed correlative units (Late Devonian, Frasnian through mid-Silurian, Wenlockian), reefy limestone and dolomite (DSl, MD002; MM002; lDl, lDd, Sla, SDlw, MG003; SDlw(h), LH004; Pzl, SM002; DSab, LH003; DSw, RB009; DSbl, JU 712 6965 DSt Tolovana Limestone, Middle Devonian to Early(?) Silurian, (DSt, LG002; FB002; KH003; KH004) 521 6966 DSt? Limestone, greenstone, and schist (Pzl, TN002) [Overprint symbol 708] 805 6990 DCru Road River Formation, Hillard Limestone and other units, undivided (DCu, CY002; DCl, BR002; DOr, EA002) 809 44 7000 Dvt Basaltic and andesitic flows, tuff, breccia, and volcanic conglomerate altered to greenstone, interbedded in Hunt Fork Shale (Dvt, CS002; Dv, Dg, CH002) [Overprint symbol 44] 799 3487010 Dsv Schwatka unit, mafic volcanic rocks, Middle and Early Devonian (Dsv, LG002; SOls, CI002) [Overprint pattern 348] 799 3487015 Dwv Woodchopper Volcanics, amygdaloidal basalt, pillow basalt, ..., equivalent to Schwatka unit? (Dw, Dwv, CY002) [Overprint pattern 348] 19 3487080 Ddg Diorite-gabbro (MzPzi, NB002) 924 2387200 Dms Metamorphic rocks, undivided. Includes carbonate rocks; quartzite and slate. (Dsq, Dmw, Dpm, Ds, Dg, CS002) 924 7210 DZnl Nanook Limestone, Thin- to thick-bedded limestone, silicified limestone, and vuggy dolomite with minor amounts of siltstone and shale (DZn, ML002) 815 7087220 Dkg Kaskawulsh Group of Kindle, mainly marble (Pzk, MC002; Dkm, Pasm, Pas, BG002) 801 14 7230 Dpmc Phyllite and metaconglomerate (Dp, Dms, NB002) 801 14 7235 Dbs Thin bedded black, siliceous, carbonaceous phyllite and impure chert (Dbs, AR002) 815 7240 Dyv Fine-grained schistose volcanic rocks and phyllite, Devonian extrusion age, (hgv, MH002; Dmf, HE002; Pzk, BG002) 815 7242 Dy Yanert Fork sequence, thick sequence of marine metasedimentary and metavolcanic rocks, Late Devonian (unit Dy, Dy?, HE002) 801 16 7245 Dbl Black limestone, calcareous schist, and black siliceous phyllite, undifferentiated (Db, AR002) [Overprint symbol 16] 556 7250 MDyao Medium-grained granitic gneiss, Devonian intrusion age (lgr, jcg, mg, MH002; Dg, WI002; MzPzg, CH002; Pzg, BN002; KZ002; SO002) 924 13 7290 Dms Undifferentiated metasedimentary rocks, Late Devonian (Yanert Fork equivalent) (DSu, MM002) [Overprint pattern 13] 924 13 7291 Dms? Undifferentiated metasedimentary rocks, Late Devonian (DSu?, MM002 [Overprint pattern 13] 924 13 7300 Pzsc Metasedimentary rocks, Late Devonian (Dms, HE002) [Overprint pattern 13] 924 13 7320 Pzsc Metabasalt and subordinate metasedimentary rocks, Late Devonian (Dmb, HE002; jcv, MH002; Dg, NB002) [Overprint pattern 13] 799 7325 Dmgs Serpentinite, basalt, chert and gabbro, Late Devonian (Dsb, HE002; MM002) 924 7330 Dmgb Metagabbro, Late Devonian(?) (HE002) 801 15 7350 Pzsb Light-brown weathering calcareous schist interbedded with gray quartz-mica schist and marble. Brooks Range schist belt. (Dgs, Dgh, Dqm, Dqs, CH002; Dcs, WI004) [Overprint symbol 15] 801 15 7400 DPzmp Pelitic, calcareous, and quartz-feldspar metasedimentary rocks, Devonian or older, (Pzs, NB002) [Overprint symbol 15] 815 14 7402 Dys Fine-grained, schistose metasedimentary and metavolcanic rocks, Devonian or older, (hgs, MH002) [Evidence suggests that this unit is most likely Triassic, at least in its western exposures and correlates with similar units all along the north side of the 924 15 7261 Davf Very light gray to brownish red weathering resistant schistose felsic volcanic rocks, Ambler sequence? (Df, SP002; Df, Df?, Dfm, WI002; MzPzf, SP003; WI003) [Overprint symbol 15] 805 16 7450 DOtu Metasedimentary and metavolcanic rocks of Tukpahlearik Creek, undivided (BM002; SE003) [Overprint 16] 748 7451 DOtq Carbonaceous quartzite and quartz conglomerate of Tukpahlearik Creek (DOtq, BM002) 939 7453 DOtmq Marble and quartz schist of Tukpuhlearik Creek (DOtmq, BM002) 815 44 7454 DOtpg Pelitic schist and greenstone of Tukpaklearik Creek (DOtpg, BM002) [Overprint symbol 44] 505 6615 DSmdl Thin-bedded limestone (Dl, Sl, TL002; DOls, MM002) 505 14 6617 Sab Heceta Limestone, reefoid limestone and algal boundstone in SW Alaska (Sab, TA007; Sch PE002; Sch, Khh, PE003; Shl, CR010) [Overprint symbol 14] 505 13 6620 Spf Paradise Fork Formation and correlative units (Sls, MD002; TA007; Ssh, MG003; Stbl, PE003) [Overprint pattern 13] 505 15 6625 Sml Middle Silurian limestone (Sl, BN002) [Overprint symbol 15] 734 6630 Sta Point Augusta Formation argillite and chert (Staa, JU002; Sa, LH003) 734 6640 Ss Micaceous calc-sandstone (LH003) Gone 745 2386660 Stc Terra Cotta Mountains sandstone, sandstone and graptolitic shale (uSsl, mSl, mSvs, mSs, MG002; mSs, MG003; mSs, LH004) [Overprint pattern 238] 505 6680 SZa Amy Creek unit, siliceous dolomite, chert, and basaltic greenstone, minor limestone, shale..., Silurian(?) to Late Proterozoic (SZa, LG002; PzpCb, CI002; pCa, TN003) 505 6681 SZa? Dolomite and argillite (DSd, CI002) 803 13 6685 SCb Black siltstone and phyllite (SCb, WI002) [Overprint symbol 238] 924 13 7500 OCc Carbonate rocks (OCc, BM002) 924 7510 Olss Tcherskidium-bearing limestone (TA007) 924 15 7515 Os Brown and gray 'chippy' shale, silty shale and silicified limestone (TA007) [Overprint symbol 15] 712 16 7520 Ont Novi Mountain and Telsitna Formations, and unnamed correlative units, massive dolomite and limestone, Late to Middle Ordovician (Od, Osl, MD002; Ol, RB002; OCl, OCm, Ol, mOl, uOll, uOl, lOlb, MG003; Ont, RB009) [Overprint pattern 16] 924 16 7525 OCjr Jones Ridge Limestone, massive oolitic, typically silicified limestone (OCjr, CY002; COl, BR002) [overprint pattern 16] 924 14 7530 OChl Hillard Limestone (OCh, EA002) [Overprint pattern 14] 712 7087535 SOdl Limestone and dolomitic limestone (SOdl, TE002) 712 7087540 Od Pink to light gray weathering, gray to tan fine-grained dolostone with distinct color mottling (Od, BN002; SO002; Oum, Oshl, TE002) 712 7087541 Oshd Limestone and shale (Oshd, TE002) 712 7087550 Oim Impure chlorite marble (Oim, BN002; SO002) 712 7087551 Oimh Impure marble (Oimh, BN002; SO002) 801 7560 Oab Algal boundstone and lime mudstone (TA007) 521 7087570 Ols Lime mudstone (TA007) [Overprint symbol 708] 712 15 7580 SCpl Post River Sandstone and Lyman Hills Formations and correlative units, silty limestone and siltstone, Early Ordovician (OCsl, KH002; pOlp, KH004; SOls, LH003; lSl, SOsh, OCls, MG002; Clm, SOsh, OCls, MG003; Pzc, MD002; Oc, TL002; OCls, SOsh, LH004; part 812 3487610 Ofc Fossil Creek Volcanics, undivided -- Alkali basalt, agglomerate, and volcaniclastic conglomerate (unit Ofv, Ofs, LG002; SOs, CI002; Ofc, TN003) [Overprint pattern 348] 812 3487620 OCv Andesitic to basaltic volcaniclastic rocks and local tuffaceous phyllite, gabbro, and diabase, and black phyllite (OCv, WI002) 7700 OCx Interlayered pure and impure marble, quartz-graphite schist, and lesser pelite, calc-schist, and mafic schist (OCx, BN002; KZ002; SO002) 7701 OCxh Predominantly marble and quartz-graphite schist above biotite grade; upgraded equivalent of mixed unit [OCx] OCxh, BN002) 812 15 7710 Och Ordovician chert, including Livengood Dome Chert, chert, siliceous slate and rare greenstone and limestone, Late Ordovician (protolith) (unit Old, LG002; CI002; nc, FB002; Oc, TN002; KH002; KH003; DOc, KH004; MM002; Pzlc, Olc, TN003) [Overprint pattern 1 911 7711 Oldl Limestone marker bed within Livengood Dome Chert (Pzll, TN003) 7720 Ocs Casadepaga schist (Ocs, BN002; KZ002; SO002) 7721 Ocsh Calcareous and mafic schist (Ocsh, BN002; SO002) 7750 Pzim Impure marble (Pzim, BN002; KZ002) 911 13 7970 Ca Adams Argillite (Ca, EA002) [Overprint pattern 13] 911 15 7971 Cqa Quartzite and argillite (pCq, EA002) [Overprint pattern 15] 911 16 7980 Cf Funnel Creek Limestone (Cf, EA002) [Overprint pattern 16] 795 13 7990 CZtu Tindir Group, upper part, Early Cambrian and Late Proterzoic argillite, quartzite, dolomite, dolo-arenite... (CZtu, CY002; pCp, BR002) [Overprint pattern 13] 256 7088000 CZwl Wickersham unit -- Limestone, Early Cambrian and Late Proterozoic (CZwl, LG002; unk, CI002) 817 8250 CZum Ultramafic and mafic rocks and greenstone, Cambrian and/or preCambrian (CZum, LG002; Pzug, CI002; pCl, BR002) 795 8300 CZw Wickersham unit -- Grit, Early Cambrian and Late Proterozoic (CZw, LG002; part of PzpCa, CI002; pCw, TN003; PzpCs, MG002; Cqs, KH002; Cal, Pzcs, KH003; PzpCq, MD002; PzpCs, PzpCq, PzpCp, MM002) 256 8310 CZwa Wickersham unit -- Maroon and green argillite, Early Cambrian and Late Proterozoic (unit CZwa, LG002; ng, FB002; Cal, TN002; western exposures of unit PzpCa in part, CI002) 712 8340 DZn Undivided shallow marine carbonate units of Holitna Basin area, late Proterozoic to Devonian (Pzh, LH004; Pal, TA002; DSab, TA005; DOl, GO002; major part Pzl, SM002) 712 2388350 CZds Oolitic limestone, Khuchaynik Dolomite of Babcock and others, Big River Dolostone of Babcock and others, Windy Fork Formation of Babcock and others (XCl, XCd, Xmso, MG003) [Overprint pattern 238] 779 9110 Zwg Grit, Late Proterozoic, bimodal quartzite, gray and olive-gray greenschist facies argillite (Zwg, LG002, PzpCgq, CI002) 911 8430 ls Various limestone bodies (unk, CI002; pClt, EA002) 817 8450 MzZum Mafic igneous rocks, Paleozoic and/or Late Proterozoic (PzZm, CI003; LG002) 797 9988601 PzZrqmRuby quartz-mica schist (Pzc, BV002; part of mca, RB002; PzpCs, MD003; RB005; Dbs, CH002; Pzs, Pzbs, CS002; Pzl, KH003; PzpCs/TrMc, OP002; TrMs, OP003; PzpCsq; TN002; Stippled areas of Pzqs, TN007; PzPs, RB009; Dbs, CH002) [Overprint symbol 998] 797 8602 PzZs Quartz-mica schist. Assigned to Arctic Alaska terrane (qm, uqm, AR002; PzZs, AR003; SP003; Pzus, Pzqms, Pzqms?, Pzis, SP002) 186 14 8605 PzZk Mixed schists of the Kallarichuk Hills, undivided. Assigned to Seward terrane (PzPku; PzPkc; PzPcb, BM002; PzZu, BM003; Pzs, SE002; Pzp, SH002) [Overprint symbol 14] 365 7088610 YZnc Calc-schist and impure marble, early Paleozoic or preCambrian (unit PzpCc, MD002; Zc, RB009; very tentatively pCl, GO002) [Overprint symbol 708] 797 13 8615 Pzydm Dolomite and marble (PzpCd, CI002; PzPnm, AL003) [Overprint symbol 13] 797 13 8620 Pzrmc Metamorphic complex, crystalline limestone, Paleozoic (Ord-Dev) or preCambrian (mcl, RB002; NL002; PzpCc, NL003; Pztbl, RB004) [Overprint symbol 13] 496 8625 PzZm Metamorphic complex, schist, crystalline limestone, quartzite, greenstone, slate, and phyllite (mc, RB002; NL002; PzpCs, OP002; also 2 polygons shown as PzpCs or TrMc on OP002) 85 8630 PzZysaPelitic schist, early Paleozoic or preCambrian, includes Chena River sequence (PzpCs, CI002; PzpCm, CY002; bc, FB002; lgs, MH002; Pzs, PzpCsq, BD002; PzpCb, EA002; part PzpCb, TC002; PzPns, AL003; TKbg, TR003; part TKbg, TR005)) 797 8632 PzZpg Sillimanite gneiss subunit, pelitic schist (unit PzpCs, CI002) 797 9968633 PzZaqsPelitic and quartzose schist sequence (PzpCp?, MM002) [Overprint symbol 996] 365 15 8640 YZns Pelitic schist of Nixon Fork basement (PzpCp, MD002) [Overprint symbol 15] 797 2388650 PzZmc Metamorphic complex, schist and quartzite with some crystalline limestone, younger unit, Paleozoic (Ord-Dev) or preCambrian (PzPlg, ID002; PzpCku, SE003) 797 14 8660 PzZms Mafic schist (PzpCm, CI002) 365 16 8700 YZnv Felsic metavolcanic rocks of Nixon Fork basement (PzpCv, MD002) [Overprint symbol 16] 806 8710 Ynqd Meta-quartz diorite (ira, RB002; pCm, RB007) 85 16 8801 PzZrpgGneiss and quartzite of the Ruby crystalline complex, Paleozoic or preCambrian (PzpCn, MZ002; PzpCqg, TN003; PzpCg, PzpCsg, RB004; Pzqg, BV002; MzPkc, RB009) [Overprint symbol 16] 85 13 8802 PzZypgGneiss, schist, and quartzite of the Yukon-Tanana crystalline complex; Pelly Gneiss in Yukon in part (PzpCs and quartzite subunit, CI002; PzpCg, BD002; part PzpCb, TC002; MzPzbg, PE002; TKbg, PE003; PzXgs, PE004; SD005) [Overprint symbol 13] 779 14 9020 Ytl Tindir Group, lower part, stromatolitic limestone (Ytl, CY002; EA002) [Overprint symbol 14] 779 15 9021 Yts Tindir Group, dolomitic sandstone and shale member (Yts, EA002) [Overprint symbol 15] 817 9040 Ytb Tindir Group, basalt and red beds member (Ytb, EA002) 817 9041 Ytb? Greenstone (pCg, EA002) 907 9045 Zgr Granitic rocks, preCambrian(?) (pCg, BR002; pCgr, SP002; Pi, BM002) 186 13 9300 PzZma Metasedimentary and metavolcanic rocks of Mount Angayukaqsraq (Psv, BM002) [Overprint symbol 13] 65 9320 PzZyqsGreenschist facies muscovite chlorite schist, quartzite and phyllite [Fairbanks schist unit - undivided] (Zf, LG002; PzpCq, CI002) 65 9321 PzZyqsFairbanks schist unit - Cleary subunit, white felsic schist, micaceous quartzite chloritic or actinolitic greenschist, greenstone and marble (Zfc, LG002, magnetic chlorite schist subunit of unit PzpCqm, CI002) 65 9969322 PzZaqsPelitic and quartzose schist of the Alaska Range (bc, FB002 (southern part); ms, jcs, MH002; PzpCp, HE002, MM002; Pzsv, TL002) [Overprint pattern 996] 65 9323 PzZyqsQuartzite subunit of quartzite and quartzitic schist (PzpCq, CI002) 65 7089324 PzZyqsCalc-silicate and marble subunit of quartzite and quartzitic schist (PzpCq, CI002) [Overprint symbol 708] 65 9979325 PzZrqsPelitic and quartzitic schist of the Ruby terrane (PzpCs, MZ002; ira, mc, RB002; PzpCm, RB003; RB004; Pzs, BT002; PzZs, BT003; Pzs, Pzq, BV002; TN003; PzZs, WI003) [Overprint pattern 997] 65 9326 PzZyqsGreenschist subunit of quartzite and quartzitic schist (PzpCq, CI002) [Not found yet on map.] 65 13 9327 PzZyqsQuartzitic and pelitic schist of the Yukon-Tanana crystalline complex (bc [northern part], FB002; PzpCs, PzpCsq, BD002; PzZng, AL003; part TKbg, TR005; PzZng?, SD013) 598 9400 Xi Idono Complex, Early Proterozoic, metaplutonic rocks, amphibolite, and minor metasedimentary rocks (ID002) 598 9420 Xo Amphibolite facies orthogniess and minor amphibolite and pelitic schist. Kanektok or Kilbuck terrane (Xo, BH002, pCk, GO002; pCm, BH003) 9410 pCg Includes coarse-grained gabbro, diabase and altered equivalents which locally are garnet-glaucophane rocks. Of two ages (pCg, TE002) 9415 pCsg Slate of the York region, slightly to moderately metamorphosed graphitic siltite, slate, graywacke, and calcareous siltite. (pCs, TE002). Also 29415, Slate of the York region, green-weathering chloritic graphitic siltite (pCs) near mafic intrusive rocks 9425 pCn Nome Group undifferentiated; chloritic schists and marble schists (pCn, TE002) 9426 pCne Nome Group, chlorite-epidote-amphibole schists, intensely deformed, locally graphitic; retograded blueschist facies rocks locally; subordinate schistose limestone (pCnc, TE002) 9427 pCnl Nome Group, dark schistose limestone intercalated with subordinate chloritic schist (pCnl, TE002) 9430 pCmu Kigluaik Group, undifferentiated (pCmu, TE002) 9450 pCm Coarse-grained marble, locally contains mica and either olivine or monticellite (pCm, TE002) 9460 pCb Tigaraha Schist, biotite-garnet schist (pCb, TE002) 9461 pCbm Marble and calc-silicate rocks intercalated in Tigaraha Schist (pCbm, TE002) 9470 pCgn Orthogneiss (PzpCo, BN002; SO002; pCgn, TE002) 9480 pCgu Biotite-hornblende-quartz-plagioclase paragneiss (pCgu, TE002) 9490 pCgl Quartz-biotite-plagioclase-hornblende paragneiss and local calc-silicate rock (pCgl, TE002) 0 44 20000 Hornfelsed zones. (TKhf, RM004) 210 14 5736 Psc Step Conglomerate, Permian, chert and quartzite clast pebble- and cobble conglomerate (Ps, CY002; Pq, BR002; Pc, EA002) [Overprint pattern 14] 245 7455 DOtp Pelitic schists of Tukpaklearik Creek (DOtp, BM002) [Overprint symbol 16] 813 7086927 Dbc Beaucoup Formation, (Dbls, Dbsg, Dbcw, CS002; Dbc, Dbc?, Dbs, Dbs?, Dw, Dw?, Pzwv, WI002; Pzr, BM002; Dls, CH002) [Overprint symbol 708] 599 2385212 MzPzt Silicified tuff, white, light-tan, light-gray silica rock [Overprint symbol 238] 591 13 2124 Kkt Kandik Group; Kathul Graywacke (Kka, CY002) 591 2122 Kkd Kandik Group equivalent, Mount Goodenough in Yukon? 779 9010 Zt Pinguicula/Fifteen Mile (Lower) and Tindir Group, lower part (muPPFu, mPPFl, Yukon; muPPFu1, mPPFl1, YLS002; YNR002; muPPFu2, mPPFl2, YDW002; mPPFl3, YOG002; mPPFl1, YNC002; YSR002; YWR002) 258 2383860 JTrgb Gabbro, associated basalt and andesite(?), minor diorite and diabase, and undiffereniated mafic- and intermediate composition igneous rocks. (TMzm, EA002; Mzgb, TC002; MzPzmu, YT003) 210 15 5970 Pks Klondike Schist, poorly understood assemblage of metamorphosed pelitic/volcanic rocks and minor marble. (PzpCk, TC002; Pzqc, YT003; CPK, Yukon) [Overprint symbol 15] 210 7085971 Pksm Klondike Schist, marble. (CPK2, Yukon) [Overprint symbol 708] 838 2706 Kvgb Coarse-grained gabbro, Valdez Group (Kvgb, SR002; BS002) 838 2435 Ksd Sheeted dikes, Valdez Group (Ksd, SR002; BS002; Ksd, BS004; SR004) 283 13 794 Tak Amphithreatre and Kulthieth, mostly fluvial and lacustrine deposits, local debris-flow deposits; some shallow marine (OA, YDZ002; YKL002; YMS002) [Overprint symbol 13] 793 3040 Jb Bug Creek, undivided. Several cycles of shale and shelf sandstone in northern Yukon, fining generally to the northwest, and including equivalent generally fine clastic strata in central Yukon. (JB, Yukon; Jw, MU002; KJk, DP004; ML002) 793 3042 Jb Bug Creek Group, succession of alternating coarse and fine clastic formations (JB2, YOC002; YDM002; YBE002) 990 3640 Jbs Bug Creek Group, Lower Schist: dark grey argillite, slate, and phyllite, commonly graphitic, thin-bedded dark grey quartzite, platy to phyllitic quartzite; minor phyllite and limy quartzite (JB1, YDW002; YLS002) 793 16 3195 Jl Laberge Group, arkosic sandstone and minor shale with resistant heterolithic pebble and boulder conglomerate; recessive, thin bedded, silty shale (JL, YAL002; YGL002; YCK002; YLB002; YTS002; YWH002) [Overprint symbol 16] 158 44 2220 Ksf South Fork Volcanics, locally columnar jointed, massive, densely welded, biotite-quartz-hornblende-feldspar crystal tuff (KSF, YFL002; YSL002; YTY002) [Overprint symbol 44] 258 13 3505 Jnd Nordenskiold Dacite (lJN, YAL002; YCK002; YGL002; YLB002; YWH002) [Overprint symbol 13] 980 13 4055 Trsc Synorogenic clastics (uTrS, YFL002; YMQ002; YTS002; YTY002; YWF002; YWL002) [Overprint symbol 13] 705 13 4315 Trsg Stikine Suite, Tally Ho Leucogabbro, Little River Batholith, Friday Creek diorite. Coarse-grained, foliated, gabbroic hornblende orthogneiss; hornblende-biotite granite and granodiorite; foliated, fine- to medium-grained hornblende quartz diorite to dio 439 4460 Trg Galena Suite, massive, medium-grained hornblende diorite and gabbro sills; serpentinized greenstone sills (TrG, YDW002; YLR002; YLS002; YMY002; YNC002; YNR002) 824 3484910 KPzw Windy, quartz-chlorite-sericite schist, epidote-actinolite greenschist, quartzite, slate, quartz-mica schist, limestone (PMW5, YKL002) [Overprint pattern 348] 277 2910 KJse Saint Elias Suite, biotite hornblende granodiorite; lesser tonalite; locally quartz monzodiorite, quartz diorite, granite, and quartz monzonite (JKS, YDZ002; YKL002; YMS002) 939 14 5760 Pf Fantasque, grey to black chert in medium to very thick beds separated by thin beds of shale; grey sandstone and mudstone (PF, YCR002; YFT002; YLA002) [Overprint symbol 14] 556 6450 Mpm Pelly Mountains Suite, massive, medium to fine grained equigranular syenite; gradational to trachyte; intrusive equivalent to felsic volcanics of the Earn assemblage (MyP, YQL002) 19 3487050 Dgr Old Crow Suite, undivided (MLDO) [Overprint symbol 348] 19 3487051 Dgr Old Crow Suite granitic rocks: medium to coarsely crystalline leucocratic biotite granite, Old Crow, Schaeffer, Sedgwick, Ammerman, and Fitton granites (gr, DP004; ML002; MLDqO, YDM002; YOC002) [Overprint symbol 348] 19 3487052 Dsr Old Crow Suite granitic rocks: leucocratic syenite to hornblende nepheline syenite, Dave Lord syenodiorite (MLDyO, YOC002) [Overprint symbol 348] 795 8010 CZhy Hyland Group, consists upwards of coarse turbiditic clastics, limestone, and fine clastics typified by maroon and green shale; includes scattered mafic volcanic rocks (PCH, YBP002; YCR002; YDW002; YFC002; YFR002; YLR002; YLS002; YNC002; YNR002; YTY002; Y 256 7088005 Ca Avalanche, light grey, buff, yellow, and orange weathering, crypto grained dolomite, silty dolomite, dolomitic siltstone and dolomitic mudstone (mCA, YFR002; YLN002) [Overprint symbol 708] 795 8011 CZnp Neruokpuk, turbiditic sandstone, quartzite, grit, and pebble conglomerate interbedded with siltstone and lesser argillite (uPCN, YDM002; YHI002) 795 8012 CZng Neruokpuk, fine to coarse sandstone, grit and pebble conglomerate, poorly sorted, turbiditic, locally feldspathic; siltstone and slaty argillite interbeds; local maroon, green and Oldhamia bearing slate in upper part (uPCN2, YDM002; YHI002) 911 13 8006 Ch Hess River, shale, black, pyritic, unfossiliferous; occurs as interstratified thick units of black calcareous shale and rusty black shale (mCH, YBP002; YNL002) [Overprint symbol 13] 256 7088007 Cr Rockslide, platy calcareous shale and silty, dark grey fine- to crypto-grained limestone; minor thin beds of light brown to grey weathering platy dark crypto-grained limestone and rare bands of buff dolomite (mCR, YLN002; YSM002) [Overprint symbol 708] 598 15 9150 Yw Wernicke Breccias: Hematitic and dolomitic breccia and related metasomatized country rock; breccia contains variably altered rotated siliceous and carbonate clasts (Wernicke Supergroup) and minor dyke rock; breccia and metasomatites enriched in Cu, Co, 245 7089160 lPkd Gillespie Lake Gp.: Dolostone and silty dolostone, locally stromatolitic, locally with chert nodules and sparry karst infillings, interbedded with lesser black siltstone and shale, laminated mudstone, and quartzose sandstone; local dolomite boulder cong 245 9170 lPq Quartet Gp.: Black weathering shale, finely laminated dark grey weathering siltstone, and thin to thickly interbedded planar to cross laminated light grey weathering siltstone and fine grained sandstone; minor interbeds of orange weathering dolostone in 245 13 9180 lPfl Fairchild Lake Gp.: Lower: greenish grey weathering calcareous laminated siltstone, grey weathering fine grained sandstone, and minor brown weathering carbonate, ripple cross-laminated; upper: siltstone, dolomitic siltstone, and dolostone (lPFL, YDW00 958 3489210 Yhr Hart River, undivided Mafic volcanic flows and and their possible intrusive equivalents (mPH, Yukon) [Overprint symbol 348] 958 3489211 Yhv Hart River Volcanics: mafic volcanic flows, generally massive and fine-grained, locally pillowed (mPH1, YLS002; YPR002) [Overprint symbol 348] 958 3489212 Yhs Hart River Sills: resistant dark weathering diorite and gabbro sills and dikes (mPH2, YDW002; YLS002; YNC002; YNR002; YOC002; YPR002; YWR002) [Overprint symbol 348] 958 3489213 Ykc Khose Creek Volcanics: basic to intermediate volcanic flows and aquagene tuffs (mPH3, YNC002) [Overprint symbol 348] 131 317 Qvs Bedded volcanic sediments (Qs, UK002; RI003) 210 103 Tidal flat and estuarine deposits, offshore, subject to inundation (KN008) 474 13 953 Toss ORCA GROUP: Dark-gray to black siltstone, mudstone, and minor fine-grained sandstone (Toss, BS004; SR004) 307 14 1136 Top Orca Group: Pillow basalt (Top, Tops, BS004; CV002; SR004) 909 13 2280 Kvp Valdez. Group: Pillow basalt; in some areas, interlayered with subordinate pillow breccia and tuff (Kvp, BS004; SR004) 838 2707 Kvu Valdez Group dunite and peridotite, locally with layers of chromite (Kvu, SR002; SR004; CV002) 361 16 2710 Kvg Valdez Group -- Schistose metaflysch (Kvm, av, avp, BG002; Kvm, CV003; Kvm, Kvsm, MS002; Kvs, BS004; SR004; mlg, mlp, msb, MF003; TKmlg, SK002) 909 14 2715 Kvsg Valdez Group -- Schistose to gneissic metaflysch and migmatite (Kvg, BG003; CV002; CV003; Kvg, ap, BG002; mgb, MF003) [Overprint symbol 14] 972 44 5521 MzPzr Reindeer Hills complex of altered carbonate rocks, schist and quartzite, and shallow intrusive rocks (NR002) [Overprint symbol 44] 782 13 1971 uKss Volcanic provenance sandstone, siltstone, and shale, Kuskokwim Group [Overprint symbol 13] 905 5241 MzPzm Metabasite, Arctic Alaska terrane (MzPzm, AR003; BM003; HU003; SP003; WI003) 78 15 2490 Kmg Granite 85-110 Ma [Overprint symbol 15] 78 15 2491 Kmqm Quartz monzonite, monzonite, and syenite 85-110 Ma (Kq, SL002; Kkz, Kku, Kvb, BN002; Kd, BN002; SO002) [Overprint symbol 15] 78 15 2493 Kmqd Intermediate granitic rocks, mostly quartz diorite and tonalite, magmatic garnet and epidote 85-110 Ma (unit Kgr [part], HE002; Kqd, Kq, Kg, Kgq, Klg, Kpg, KC002; Ktef, Ktob, BC002; Kgp, Kgg, Kqd, BC003; Ktif, Ktop, Ktoc, Kqop, Kqo, Kdi, Kmgf, Ktef, Kto 50 139 Qw0 Till, Brooks Lake, Kvichak (Qblk, CB003; CG004; DI005; MK005; PM002; TA015; blk, CG003; MK003; Qom, Qog, DI002; DI005; TA002; TA015) [Ground moraine assigned Qclass of 1395] 591 14 2102 Kgcg Calcareous graywacke and conglomerate (Kcg, GO002) [Overprint symbol 14] 32 15 565 Ty Yakataga Formation (Ty, MI002; QTy, CV003; MS002; BG002; Albatross, TI004) [Overprint symbol 15] 192 16 675 Trf Redwood Formation (Tr, BG003; CV002; CV003) [Overprint symbol 16] 283 14 680 Tpc Poul Creek Formation sedimentary and volcanic rocks, undivided (Tp, BG002; Tps, BG003; CV002; CV003; MI002; Tp, MS002) 95 13 810 Ttf Tokun Formation (Tt, BG002; BG003; CV002; CV003) [Overprint symbol 13] 95 14 875 Tslo Siltstone of Oily Lake (Ts, MS002) [Overprint symbol 14] 446 1375 Tou Orca Group ultramafic rocks (Tou, SR002) 361 2382702 Kvvs Valdez Group, Interbedded volcanic and sedimentary rocks (Kvvs, BG002; CV002; CV003; SR002) [Overprint symbol 238] 95 14 820 Tswf Stillwater Formation(?) (Ts, BG002; BG003; CV002; CV003) [Overprint symbol 14] 913 14 2191 Mzpg Phyllite/greenstone melange; occurs structurally between the McHugh Complex and Valdez Group (Mzpg, BG002) 50 13 191 Qewd Drumlins associated with early glaciations (Qewd, DI005; TA015) [Overprint symbol 13] 50 13 194 Qmhg Early Wisconsin ground moraine (Qmg, Qig, DI002; TA002; Qewg, DI005) [Overprint symbol 13] 449 1090 Tmd Mafic dikes, sills, and plugs (Tm, CV002; CV003; QTd, PE002) 960 2830 KTrs Marine volcaniclastic sandstone, conglomerate, and argillite (KCg1, DI002; TA002; KJs, TA003; TA004; KCgg, BH004) 793 15 3150 Jkw Graywacke of Kulukak Bay (Weary Graywacke) (Jk, DI003; DI005; GO002; HG002; NG002; KJs, IL002; LC002) [Overprint symbol 15] 844 7084011 Trlc Triassic limestone, shale, and chert (TA020) [Overprint symbol 708] 186 8500 PzZi Meta-intrusive rocks of intermediate composition (BM002) 186 15 8606 PzZss Siliceous schist of the Kallarichuk Hills. Assigned to Seward terrane (PzPks, BM002) 712 5560 Pzp Phyllite of Arctic Alaska terrane (Pzp, HU003; WI003; SP002; BT002; Dp in part, HU002) 712 14 5565 Pzg Metagraywacke of Arctic Alaska and Ruby terrane (Pzg, HU003; WI003, SP003, AR003; BT002) 968 999 fg Rocks within major fault zones; may be cataclastic or mylonitic, variable ages depending on fault and country rocks (TN007) 853 14 4711 MzPztlLava flows in undivided Gemuk Group, chiefly siltstone and lesser chert and volcanic rocks (part KCg, BH004) 853 14 4712 TrPls Limestone in undivided Gemuk Group, chiefly siltstone and lesser chert and volcanic rocks (part KCg, BH004) 853 15 4713 MzPztvVolcanic breccia in undivided Gemuk Group, chiefly siltstone and lesser chert and volcanic rocks (part KCg, BH004) 958 15 7581 Oc Chert and phyllite, Telida sub-terrane of Munchumina terrane (part Pzc, MD002; Oc, MD005; RB009) [Overprint pattern 15] 708 5145 MzPzl Melange between Angayucham-Tozitna and Arctic Alaska and Ruby terranes (JPv, AR002; BT002; MzPzm, BM002; MzPzv, SP002; MzPzl, AR003; BM003; SP003; JDu, MzPzl, HU002) 541 2182 Klvm Earliest Cretaceous volcanic conglomerate (Kvg, MD002; OP002) 23 44 404 Qbd Basalt dome (Tmd, Tpd, Tpv, AD002) [Overprint symbol 44] 204 14 454 QTob Olivine basalt flows (AD005) [Overprint symbol 14] 990 1550 TMzu Basement rocks - undifferentiated (TMzu, AT004) 990 15 1553 TMzc Basement rocks - conglomerate, argillite, siltstone, and chert. (TMzc, AT004) [Overprint symbol 15] 12 475 QTk Kiska Harbor Formation (QTk, KK002) 12 13 476 QTkb Kiska Harbor Formation, breccia member (QTkb, KK002) [Overprint symbol 13] 12 14 477 QTkf Kiska Harbor Formation, flow member (QTkf, KK002) [Overprint symbol 14] 326 16 1095 Tka Krugoli Formation, tuff and tuff-agglomerate. TMzkt, AT004) [Overprint symbol 16] 204 15 466 QTvb Pochnoi Volcanics - Tuff-breccia, lava flows, and agglomerate, largely basaltic (QTpo, RI002) 21 14 452 QTd Dacite (QTwi, NB007) [Overprint symbol 14] 112 14 336 Qvda Dacite and rhyodacite (Qls, Qd, RI003; da, CG003) [Overprint symbol 14] 108 15 335 Qva Andesite and low-silica dacite (Qe, RI003; an, CG003) [Overprint symbol 15] 112 16 337 Qvr Rhyolite 307 16 1066 Tlp Lavas and pyroclastic deposits, most likely Miocene or younger Tertiary (Tvl, Tvp, Tvu, GI003; Tp, GI005; Tt, Ttb, Tvl, AD006) 21 15 453 QTr Rhyolite (QTvr, CR010) [Overprint symbol 15] 39 16 1271 Togp Granite and quartz monzonite porphyry (Tgp, KC002) [Overprint symbol 16] 36 14 1676 TKtp Trondhjemitic pegmatite (TKp, KC002) [Overprint symbol 14] 838 2495 Kmum Ultramafic rocks, especially including zoned ultramafic bodies of southeast Alaska (TKum, BC003; Kum, KC002; Kbdu, Kbwh, Kbgb, Kuk, Khb, Kgb, PE002; Khb, PE003; Kkdu, Kkgu, CR010) 338 13 1252 Tmog Biotite quartz monzonite (Tqm, KC002; Tnme, PE002; PE003; Tme, CR010) [Overprint symbol 13] 991 13 2620 Kqm Foliated quartz monzonite and granodiorite (Kfq, KC002) [Overprint symbol 13] 541 15 2975 KJgc Polymictic metaconglomerate, Gravina related (MzPzmc, KC002) [Overprint symbol 15] 158 13 2336 Kft Shoshonitic flows and tuffs (Kft, UL002) [Overprint symbol 13] 918 14 2990 KJmqd Metamorphosed quartz diorite, granodiorite, and diorite (KJgd, KC002) [Overprint symbol 14] 892 5270 TrPzmsAlava sequence, undivided Permian and Triassic (MzPzp, KC003; MzPzsv, PE002) 905 15 5244 TrPzvsStikine, recrystallized volcanic and sedimentary rocks (MzPzvs, BC003; KC002; Pzvs, BC003; Tehv, JU002; TR003) [Overprint symbol 15] 599 5275 MzZog Metamorphosed granitic plutonic rocks (orthogneiss) (TKfg, KC002; MzPzgn, BC002; MzPzpo, BC003; Tgdg, PE003) 824 5952 Pm Marble (Pm, KC002; KC006) 19 13 6730 St Trondhjemite (St, Smt, KC002; Stj, CR010) [Overprint symbol 13] 505 13 6815 SOm Marble and subordinate metavolcanic and metasediemntary phyllite and schist (m, KC002) [Overprint symbol 13] 388 13 6800 SOsv Metamorphosed extrusive, intrusive, and sedimentary rocks, undivided (SOu, KC002) [Overprint symbol 13] 388 14 6805 SOmi Metamorphosed intermediate and mafic plutonic rocks (SOui, KC002; SOmk, Omr, CR010) [Overprint symbol 14] 46 13 1305 Tegd Coast Plutonic Complex (Tgq, KC002; Tgdp, Tgrg, PE002; Tgdb, PE003; Tegd, PE004; SD005; Tgdb, Tlg, BC002; Tgq, Tlg, BC003) [Overprint symbol 13] 46 14 1309 Tgdp Porphyritic granodiorite distinctive phase of Coast Plutonic Complex (TKgq, BC003; Tg, Tdr, KC002; Tgdg, Tgdp, PE002; Tgrg, PE003; Tewgd, Test AL003) [Overprint symbol 14] 36 15 1662 TKtf Foliated tonalite sill of Coast Plutonic Complex (TKfg, TKfq, KC002; Tto, PE002; Ttos, PE003; PE004; SD005; Tto, BC002; TKq, BC003; TKtf, AL003) {Overprint symbol 15] 824 3620 Jmgd Texas Creek granodiorite (metamorphosed) (JTrt, BC003; Trt, KC002) [Reconsider color] 388 15 5515 Pzsqm Metamorphosed sedimentary, volcanic, and intrusive rocks, undivided (part MzPzms, MzPzu, KC005; MzPzmc, CR010) [Overprint symbol 15] 905 16 5265 MzPzmiMainly regionally metamorphosed or otherwise recrystallized or altered diorite, quartz diorite, and gabbro (MzPzmi, KC002; CR010) [Overprint symbol 16] 905 5272 TrPv Alava sequence, metavolcanic rocks, derived primarily from submarine andesitic or basaltic lava flows, tuff, and agglomerate (part MzPzmv, KC005; MzPzmv, CR010) 824 15 5681 Pza Metavolcanic rocks of early Paleozoic age, derived primarily from submarine andesitic or basaltic lava flows, tuff, and agglomerate (MzPza, KC002; part MzPzmv, MzPzu, KC005) [Overprint symbol 15] 85 14 5676 PzZbg Paragneiss characterized by rusty brown weathering pelitic paragneiss and schist (MzPzp, KC002; MzPzbs, BC002; MzPzsp, BC003; MzPzbs, MzPzbg, PE002; TKbs, TKbg, PE003) [Overprint symbol 14] 712 7085526 Pzm Marble, Paleozoic (m, KC002) [Overprint symbol 708] 709 14 4500 Trmv Mafic metavolcanic rocks, metamorphosed intermediate to mafic volcanic flows, pillowed flows, tuff, and agglomerate, with subordinate pelitic and semipelitic flysch. (Alava) (part of MzPzmv, MzPzu, KC005) [Overprint symbol 14] 924 14 7205 Dgv Gambier Bay Formation, sedimentary and volcanic rocks, marble and recrystallized limestone, phyllite and semischist, and tuffaceous marlstone, pillow breccia, volcanic conglomerate, aquagene tuff, subordinate basaltic to andesitic pillow flows (Dsv, PE00 424 44 4471 Trhv Hyd Group, including Chapin Peak Formation marine volcanic rocks and subordinate calcareous sedimentary rocks (Trc, KC002; Trhv, PE002; Trhh, PE003; Trhc, CR010) [Overprint symbol 44] 424 15 4472 Trhb Hyd Group breccia (Trhb, PE002; PE003; Trhb, CR010) [Overprint symbol 15] 424 7084473 Trhl Hyd Group limestone and dolomite (Trl, KC002; Trhl, PE002; PE003; Trhl, CR010) [Overprint symbol 708] 424 13 4474 Trhf Hyd Group felsic volcanic rocks, includes Puppets Formation on Gravina Island (Trv, KC002; Trhv, CR010) [Overprint symbol 13] 424 4470 Trhg Hyd Group, undivided (Trsv, KC002, Trhsv, Trh, PE002; Trhsv, CR010) 126 16 1043 Twd Wrangell Lava, dome and hypabyssal rocks (Th, MC100; Tsd, Tr, Tdh, Tdr, Trr, MC003) [Overprint symbol 16] 126 1040 Twl Wrangell Lava, Pliocene to Oligoocene lower part, undivided (Tsb, Tsp, Tsf, Tcc, Twl, Tbc, Tm, Tvu, Tsl, Tsm, Tsu, Tbpa, Tba, Tbl, Tol, Trl, MC003) [Overprint symbol 15] 126 15 1041 Twr Wrangell Lava, rhyolitic rocks, undivided (Trt, Tpf, Trp, Tsa, MC003) [Overprint symbol 15] 126 12 1042 Twor Wrangell Lava, obsidian-bearing rhyolite flow (Twr, MC003) [Overprint symbol 12] 338 1251 Tmgr Granite and granitic rocks (Tgr, BC003; Tmae, Tmge, Tmaz, Tmgk, Tag, PE002: Tmae, Tmge, Tmgk, PE003; Tge, CR010) 838 2494 Kmgb Gabbro (not zoned ultramafic) (Kwgb, CR010) 314 15 1087 Tvc Chiefly block and ash deposits, mafic to felsic tuff, tuff breccia, lapilli tuff, and unclassified pyroclastic deposits (Tvr, IL002) [Overprint symbol 15] 73 510 Tkz Kootznahoo Formation, light greenish gray, medium- to coarse-grained, friable, lithofeldspathic fluvial sandstone and siltstone containing leaf fragments and rare, cm-scale, coal lenses (Tk, PE002; PE003; CR010) 307 14 1054 Tmrf Rhyolite (Tfv, BC003;Tdr, PE002) [Overprint symbol 14] 46 15 1450 Tcpm Leucocratic granodioritic migmatite of the Coast Plutonic Complex (Tlgm, BC002; PE002) [Overprint symbol 15] 36 1663 TKtm Tonalite migmatite of the tonalite sill of the Coast Plutonic Complex (Ttom, PE002; Tmgx, PE003; TKtmk, TKtm, AL003) [Overprint symbol 16] 46 16 1451 Tcpm2 Another damn Coast Plutonic Complex migmatite (Tgdm, PE002; Tmgz, Tmgy, PE003; Temg, PE004; SD005; Tgd, BC002; TKlg, MzPzmg, BC003; Tesm, AL003) [Overprint symbol 16] 424 4475 Trha Hyd Group argillite (Trha, PE002) [Overprint symbol 14] 709 4501 Trclt Perseverance Slate and related Alava slate and phyllite (Trs, KC002) 939 15 5765 Pp Pybus Formation, limestone and dolostone (Pp, PE002; PE003; CR010) [Overprint symbol 15] 505 7086618 Stpc Polymictic conglomerate and olistostrome deposits associated with Silurian turbibidites and reefs (Schc, Stbc, Stbo, PE002; Kch, Koh, Schc, Scp, Stbc, Stbo, PE003; Shc, Shpc, Spc, CR010) [Overprint symbol 708] 78 16 2492 Kmgd Intermediate granitic rocks, mostly granodiorite (Kwqo, PE002; Kwqo, Kwan, PE003) [Overprint symbol 16] 939 7085766 Phl Halleck Formation calcareous siltstone to conglomerate (Phl, PA003; PE003) [Overprint symbol 708] 745 7086030 Pal Crinoidal limestone (Cl, PE003; Pal, CR010) [Overprint symbol 708] 208 13 5875 PPasy Syenite (PCsy, PE002; PPasy, CR010) [Overprint symbol 13] 939 16 5930 PDcvs Cannery Formation, metasedimentary and metavolcanic rocks, undivided (Pc, JU002; PMc, JU004; PE002; SD003; SD004; SI005; MDc, PE003) [Overprint symbol 16] 745 7086031 Pak Klawock Formation, clastic (Pak, CR010) [Overprint symbol 16] 923 15 6619 Stg Silurian turbidite deposits including the Bay of Pillars Formation, Point Augusta and Tidal Formation and related units (Stbg, Stpg, PE002; Tbh, Kbh, Stbg, Stpg, PE003; Spg, Spsv, CR010) [Overprint symbol 15] 505 14 6690 SOt Descon Formation graywacke turbidites (SOdg, PE002; SOtdg, PE003; SOdg, CR010) [Overprint symbol 14] 505 7086691 SOl Descon Formation limestone (SOdl, PE002) [Overprint symbol 708] 19 14 6740 Sv Silurian volcanic rocks (Stpc, PE002; Stpc, PE002; Stpc, Stbv, PE003) [Overprint symbol 14] 892 13 5271 TrPsa Alava sequence, metasedimentary rocks (part of MzPzms and MzPzu, KC005; SOms, SOmv, SOmc, CR010) [Overprint symbol 13] 409 15 6825 SOgs Greenstone and greenschist, possible Descon association (Pzmv, MF003; SOb, CR005) [Overprint symbol 44] 863 16 5305 Pzsv Sedimenatary and volcanic rocks (Pzls, Pzvs, BC003) [Overprint symbol 16] 85 15 5677 PzZbc Polymictic conglomerate in a schistose matrix (MzPzsc, PE002) [Overprint symbol 15] Reconsider color 85 16 5678 PzZhg Metavolcanic hornblende schist and gniess (MzPzhs, MzPzhg, PE002; TKhg, TKhs, PE003) [Overprint symbol 16] Reconsider color 85 7085679 PzZmb Marble and interbedded schist (MzPzm, BC002; PE002; MzPzmb, BC003; TKmb, PE003) [Overprint symbol 708] 496 13 8626 PzZas Metamorphic rocks, Alexander terrane (PzpCm, PE002) [Overprint symbol 13] 409 15 1293 Toed Oligocene and Eocene diorite (Td, CG002; Mafic phase, Miners Bay pluton, Tmm, AN002; Tmb, AN004) [Overprint symbol 15] 314 14 1125 Tbep Mafic basalt, layered tuff, tuff breccia and breccia (Tv, MS002; Khc, SM006) [Overprint symbol 14] 258 15 3900 JTrdi Diorite (JU004) [Overprint symbol 15] 705 13 4350 Tradi Quartz diorite and lesser granodiorite and diorite, Alexander (TKgd, part, JU002; Trgd, Trd, Mzg, SI005; Trg, KC002; Mzg, PE002) [Overprint symbol 13] 905 13 4520 Trgn Orthogniess (Trgn, SI005; MzPzm, pazrt, JU002) [Overprint symbol 13] 842 5720 Pal Argillite and limestone (Pua, PCl, JU002; Ps, CO002) 745 14 6340 Mls Iyoukeen and Peratrovich Formations, limestone, black chert, and black shale (Mi, JU002; SI003; Mp, CR010) [Overprint symbol 14] 923 16 6937 Dkf Karheen Formation and related rocks, conglomerate, Lower Devonian (Dkbn, Dkcg, CR010) [Overprint symbol 16] 805 15 6936 Drl Cedar Cove Formation (Dsv, KC002; Dkkr, Dksn, Dkcb, CR010) [Overprint symbol 15] 809 15 7020 Dfb Freshwater Bay Formation and Kasaan Island Volcanics, Basalt and rhyolite with subordinate sedimentary rocks, Middle to Late Devonian (Df, JU002; SI003; Dprv, CR010) [Overprint symbol 15] 505 7086616 Stl Point Augusta Formation limestone horizon within turbidite deposits (Sal, SI003; Stal, JU002) [Overprint symbol 708] 838 2550 Kegb Gabbro of Tenakee Inlet on Chichagof Island (Tg(?), SI006; Kku, CR010) 26 16 1130 Tvig Intermediate to felsic biotite tuff (Tvi, DI005) [Overprint symbol 16] 541 2855 KJkr Koksetna River sequence, Jura-Cretaceous flysch, southern part of Kahiltna terrane (KJkr, LC003; LC006; LH005) 314 1086 Tvrd Rhyolitic to dacitic volcanic rocks (QTr, QTv, PE002; QTr, QTf, PE003) [Overprint symbol 13 78 3482625 Kmg Migmatite associated with western plutonic belt of southeast Alaska (Wales-Chichagof arc) (Kwmg, JU002; Krmg, CR010) [Overprint symbol 348] 712 16 6929 Dtl Late Devonian thin-bedded limestone (Dl, PA003; SI005; Dct, SI005) [Overprint 16] 712 16 6953 DSr Rendu Formation and related units, argillite and silty limestone turbidite (DSr, DSrt, SK002; Pzam, Pzaam?, Pzmt, Pzmt?, Pzmb, SK004; Pzam, SK011) 809 16 7021 Dv Basalt and rhyolite on Prince of Wales and Kasaan Islands and andesite associated with Black Cap Limestone (Dsj, Dc, Dkr, Dkp, Dka, CR010) [Overprint symbol 16] 210 2385737 Pstl Tahkandit Limestone, massive bioclastic limestone and Step Conglomerate, Permian, chert and quartzite clast pebble- and cobble conglomerate, undivided (Pst, CY005) [Overprint pattern 238] 591 14 2145 Kus Unnamed sandstone along Nation River, stratigraphically below Keenan Quartzite (Ku, CY005) [Overprint symbol 14] 391 2840 KJyg Yakutat Group, undivided (MS002) 391 13 2841 KJys Yakutat Group, flysch facies (Kys, Kys(?), BG002; MS002) [Overprint symbol 13] 913 2382950 KJyx Yakutat Group, melange facies (Kyx, MS002; YA002; Kym, MF003; MF009; SK012; Kys, MF003; Kyx, MS002) [Overprint symbol 238] Edit list 913 14 2951 KJyxs Yakutat Group, melange facies, sandstone masses (Kyxs, MS002) 913 14 2952 KJyxc Yakutat Group, melange facies, conglomerate masses (Kyxc, MS002) 81291314 2953 KJyxg Yakutat Group, melange facies, greenstone masses (Kyxg, MS002) 81291314 2954 KJyxd Yakutat Group, melange facies, tonalite masses (Kyxd, MS002) 913 13 2980 KJyb Metamorphic rocks of the Brabazon Range (Yakutat Group equivalent) (Kyb, MS002) [Overprint symbol 16] 541 15 2981 Kynf Schist of Nunatak Fiord (Kym, Kyn, Kyxm, Kyvm, MS002) [Overprint 15] 28 14 1308 Teqd Quartz diorite (Tqd, MS002) [Overprint symbol 14] 20 118 Qms Mineral spring and mud volcano deposits (Qms, GU002; Qme, MC004) 909 6540 MDcp Carbonaceous phyllite 642 15 5516 Pzmv Metamorphosed volcanic rocks, Kah Shakes sequence (part MzPzmv, KC005) [Overprint symbol 15] 466 13 5682 Pzgm Portland Peninsula gneiss and marble (Pzgm, KC005) [Overprint symbol 13] 20 109 Qoa Older alluvium (Qc, GU002; Qao, MC004; LC005) 40 119 Qda Active dume deposits (Qsa, AR003, KT002; KT004; Qs, BM002; no label, PI002) 50 124 Qgl Glaciolacustrine deposits (Ql, GU002; Qgl, MC004) 905 5242 MzPzm Metabasite, Ruby terrane (PzpCm, NL003; MzPzm, BT003) 905 5243 MzPzm Metabasite, Seward terrane (MzPzm, SE002; SE004) 556 6523 MDaao Augen gneiss and schist, Mississipian or Devonian intrusion age, Arctic Alaska terrane (Kg1, SH002; Dgn, SH004) [overprint pattern 16] 712 5561 Pzp Phyllite of Ruby terrane (Pzp, TN008) 982 13 2872 KJvs Volcanic and sedimentary rocks (KJvs, DI002; KJvs, GO002; DI007; DI005) 39 15 1273 Togd Granodiorite and quartz diorite (Ti, MC002; MS002; Tg, SR004; Tgd, MK002) 541 16 2971 KJgm Undifferentiated greenstone, metapelitic rocks, and metasandstone of the Gravina belt (KJsu, JU002) [Overprint symbol 16] 562 13 2822 KJgb Sedimentary and volcanic rocks of the Gravina belt, undivided (KJsu, JU002; KJs, KJsh, SI005; KJgg, Jgs, CR010) [Overprint symbol 13] 258 15 3410 Jpg Bokan Mountain peralkaline granite and syenite (Jg, CR002; Jbgr, Jbsy, CR010) [Overprint symbol 15] 980 15 4140 Trls Stikine terrane limestone, sandy limestone, and mudstone (Trsl, AL003) [Overprint symbol 15] 709 13 4510 Trpp Pinnacle Peak phyllite and phyllite of Rodman Bay (Trp, SI002; Kpp, SI004) [Overprint symbol 13] 980 7084512 Trml Marble of Nakwasina Sound and limestone blocks in Freeburn Assemblage (Kfl, SI004; Trm, SI002; PA002; Pmum, SK002; MF003) [Overprint symbol 708] 126 1024 Thb Paniau, Waimea Canyon, and Waianae Volcanic Series, tholeiitic basalt, olivine basalt and oceanite (Tp, Tw, KA004; Twu, Twl, OA003) 449 1045 Thgm Paniau, Waimea Canyon, and Waianae Volcanic Series, small mass of gabbro (Tpi, Twi6, KA004; Twi3, OA003) 126 13 1035 Twca Waimea Canyon Basalt; Makaweli Member ash and tuffaceous soil (Twma, KA003) 126 14 1036 Thc Waimea Canyon Basalt and Waianae Volcanics, cinder, spatter, or littorial cones (Twc, KA004; Twuc, Twlc, OA003) 314 14 370 Qhcl Koolau and West Molokai (lower) Volcanic Series, cinder, spatter, and littoral cones - Early Pleistocene (Qkc3, OA003) 314 360 Qhvl Koolau and West Molokai (lower) Volcanic Series - Early Pleistocene (Qk3, Qwl, OA003) 521 708270 Qfr Fringing and fossil carbonate reefs (Qr3, OA003; Qr2, Qr1, MW006) [Overprint symbol 708] 949 321 Qpc Pit craters and calderas {feature, not really unit} (Qkp, Qpt, HI002) 422 340 Qvd Viscous domes in young Hawaiian volcanic rocks, Hawi and Laupahoehoe Volcanic Series (Qhd, Qld, HI002) 204 14 345 Qgm Small masses of gabbro in young Hawaiian volcanic rocks, Kahuku Volcanic Series (Qkhi, HI002) 204 355 Qhvu Earlier Wrangell Lavas, West Molokai Volcanic Series (upper), Kanapou Volcanic Series (lower), East Molokai, Lanai, Honolua, Wailuku, Honomanu, Plololu, Hamakua, and Ninole Volcanic Series - Early Pleistocene (Qwu, Qel, Qeu OA003; Ql2, Qho, Qw7, Qh7, MW0 204 13 356 Qhcu West Molokai Volcanic Series (upper) and East Molokai, Lanai, Honolua, Honomanu, Kanapou, Pololu, and Hamakua Volcanic Series cinder, spatter, and littoral cones (Qwuc, Qelc, Qeuc, Qlc2, Qhoc, Qhc7, Qkc4, MW006; Qpoc, Qmc, HI002) 204 15 358 Qhvd East Molokai Volcanic Series (upper), Honolua Volcanic Series viscous domes (Qeud, OA003; Qhod, MW006) 204 44 359 Qhgm West Molokai Volcanic Sereis (lower) and Wailuku, Kula, Kanapou, and Pololu Volcanic Series, gabbro masses (Qwli, Qwi, Qki7, Qki4, MW006; Qpoi, HI002) 939 13 5932 PDcs Cannery Formation, carbonaceous facies, slate and black phyllite (PMcp, SD004; SI005; uPzs, SK004; TrDs, SK005) 939 7085934 PDcm Cannery Formation, massive, light- to medium gray and black argillite and marble (uPzml, SK004; TrDl, MDm, MDd, SK005) [Overprint symbol 708] 813 13 6928 Dpr Port Refugio Formation (Dp, CR003; Dpr, CR010) [Overprint symbol 13] 712 7086938 Dkfl Kassan Limestone, part of Karheen (Dkl, CR010; Dcbl, MF003) [Overprint 708] 813 14 6901 Du Southeast Alaska undivided Devonian rocks [Overprint symbol 16] 924 7087315 Pzcs Calcareous schist (Pzcs, Pzc, AR002; Dac, Dcm; CH002; DCks, KZ002; KZ003; SO002; SO004; Pzca, SP002; PzPcs, WI002) [Overprint symbol 708] 913 6750 Sum Ultramafic rocks, southeast Alaska (SOpx, SOhb, CR010) 812 7650 Ogd Granodiorite on Prince of Wales Island (Og, CR002; Ogb, CR003; Sa, Sgd, Sk, CR006; DE005; Oqd, Ofgd, Od, Ogd, Oqgd, Oqd?, DE003; Oqd, Odi, Ogd, CR010) 19 3487060 Dsy Syenite, Chichagof Island, southeast Alaska, Alexander terrane [Overprint symbol 348] 19 16 7065 Dqd Quartz diorite, Prince of Wales Island, southeast Alaska (single pluton, part of mKgd, CR010) [Overprint symbol 16] 734 16 6631 DSs Staney Creek sandstone, limestone and dolostone, shallow water facies rocks (DSs, CR010) [Overprint symbol 16] 186 8750 PzZsv Undivided Wales, Retreat Groups, and Four Winds Mountain metamorphic rocks (PzPEs, PzPEw, CR003; CZsv, CR005; Wpmg, CR006; DE005; PzpCw, CR008; wsl, CR009; SOk, pOw, DE003; pOws, pOwu, DE004; Pzsp, Mzps, JU002; PzSm, KC009; SOua, SOug, KC010; PzZr, SI005 186 13 8751 PzZq Wales, Retreat Groups, and Four Winds Mountain metamorphic rocks semischist and black quartzite (CZwsc, CR005; Wss, Wp, CR006; DE005; PzpCwcs, PzpCwb, CR008; Pzq, SI005; Pzmv, Pzsv, SK005; Pzs, SK006) [Overprint symbol 13] 186 7088752 PzZc Wales, Retreat Groups, and Four Winds Mountain metamorphic rocks marble (CZwm, CR002; CR010; PzPEwm, CR003; D, Wpl, Wm, Wdm, CR006; DE005;PzpCwm, CR008; wl, CR009; pOwm, DE004; Mzm, JU002; Pzm, SK004; SK006) [Overprint symbol 708] 85 13 8753 PzZf Wales, Retreat Groups, and Four Winds Mountain metamorphic rocks metafelsite (CZwf, CR005; Kh, Ws, CR006; DE005; pOwd, DE004) [Overprint symbol 13] 186 14 8754 PzZmv Wales, Retreat Groups, and Four Winds Mountain metamorphosed mafic volcanic rocks (CZwv, CR005; Kah, Wg, CR006; DE005; PzpCwg, PzpCwgc, PzpCwh, CR008; wg, CR009; CZwgb, CR010; Pza, SI005; Pzmb, SK005; Pzmb, Mzb, SK006) [Overprint symbol 14] 806 13 8720 CZog Kaigani, False Point Retreat, and Bronaugh Islands plutons (orthogneiss) (Cqd, Cdi, Cgb, Cmgi, CR010; JU, KC) [Overprint symbol 13] 799 13 7022 DSv Berg Mountain, largely mafic volcanic rocks (DSbv, DSbb, SK002; SK010; JU003; DSbb, DSbb?, DSbv, JU002) [Overprint symbol 13] 734 44 6375 MDk Endicott Group, Kayak Shale and Kanayut Conglomerate (MDk, CH002) [Overprint symbol 44] 307 15 1060 Tav Admiralty Island volcanics, undivided (Tc, MF003; Ta, SI005) [Overprint symbol 15] 307 14 1061 Tar Admiralty Island and Cenotaph Volcanics, rhyolite (QTv, PA003; QTr, PA003; PE002: PE003; Tar, SI005) [Overprint symbol 14] 307 16 1062 Tavd Admiralty Island and Cenotaph Volcanics, dacite (Tmd, PA003; QTf, Tmd, PE003) [Overprint symbol 16] 307 16 1063 Tava Admiralty Island and Cenotaph Volcanics, andesite (QTa, PE003; Taa, SI005; Tsan, SK002) [Overprint symbol 16] 307 1064 Tavb Admiralty Island and Cenotaph Volcanics, basalt (Tb, BC003; QTb, PA003; PE002; PE003; Tavb, Tab, SI005) 307 44 1065 Tavc Admiralty Island and Cenotaph Volcanics, volcaniclastic rocks (QTc, PA003; PE002; PE003; Taft, Tavc, SI005) [Overprint symbol 44] 892 15 4511 Trvs Volcaniclastic rocks of Rodman Bay and sedimentary and volcanic rocks of Nakwasina Sound (Trsv, Trsv?, SI002; PA002; Pmup, SK002; MF003; Kf, MF002; SI004) [Overprint symbol 15] 541 44 2824 Mzc Conglomerate and sandstone, possibly northern shore facies of Nutzotin Mountains sequence (TKc, NB002) [Overprint symbol 44] 642 13 5636 Pzv Windy terrane volcanic rocks (Pzv, NB002) [Overprint symbol 13] 980 4029 Trl Upper Triassic limestone, might not be Chitistone -- Nizina equivalent (Trl, NB002) 210 5756 Pels Limestone of the Eagle Creek Formation (Pel, NB002) 826 4325 Trsgb Stikine terrane hornblende diorite and gabbro (Trkd, Trkg, AL003) 826 4326 Trsum Stikine terrane hornblende ultramafic rocks (Trkp, AL003) 466 5276 MzZog Paleozoic otrthogneiss (Pzsg, Pzsm, AL003) 924 13 7260 Dav Ambler metavolcanic and lesser metasedimentary rocks (Da, Da?, Dm, WI002) [Overprint symbol 13] 19 5871 Pmgi Ahtell pluton (PPf, PPp, PPg, GU002; ) 50 16 123 Qglf Glacial outwash derived fans deposited in ephermeral glacial lakes (Qglf, LC005) 978 275 Qsb Glaciallly scoured bedrock; may be covered with thin glacially derived deposits (Qsb, LC005; KN008) 50 44 145 Qbld Drumlin deposits in ground moraine fields of Brooks Lake glacial deposits (Qbld, LC005) 924 7087206 Dmg Gambier Bay Formation Marble (DSl, JU002; Pzm, JU004; SI005; Dgm, SI005; Pzam, SI007) [Overprint symbol 708] 797 15 8665 PzZyv Metabasite, massive mafic semischist and agmatite in the Coast Mountains (TKhg, JU002) [Overprint symbol 15] 466 16 5683 Pzbs Biotite schist and gneiss, with subordinate felsic to mafic metavolcanic rocks, conglomerate containing quartzite, volcanic rocks, and marble. Includes Port Houghton assemblage in Tracy Arm and Port Houghton areas (TKbs, JU002; TR003) [Overprint symbol 1 863 44 5325 PPas Skolai Group undivided; also Skolai Group, greenstone, Early Permian to Middle Pennsylvanian (Pzs, VA002) [Overprint symbol 44] 50 238221 Tmpo Very old outwash deposits (QTgo, DI005) [Overprint symbol 238] 50 14 201 Qmig Glacial deposits of unnamed Illinoian(?) glaciations, ground moraine (Qug, DI002; TA002; TA015) [Overprint symbol 14] 982 16 2185 Ko Okpikruak Formation and may include Fortress Mountain Formation, interbedded wacke and mudstone (Kfo, Ko, Ko1, Ko2, Ko3, Kit1, DL002; DL003; DL004; Koc, Koc1, Koc2, DL003; DL004; Ko4, Koc3, Koc4, DL004; Ko, Ko1, Ko2, Ko3, Ko3e, Ko4, Ko4n, Ko5, MU002) [Ov 836 4120 TrPaskSiksikpuk Formation, Etivluk Group, chert and shale (TrlPs, TrlPs1, TrlPs2, TrlPs3, DL002; Dl003; DL004; TrlPs4, DL004; TrPs, TrPs1, TrPs2, TrPs3, TrPs3e, TrPs4, TrPs4n, MU002, TrPs, SP002) [Overprint symbol 14] 513 16 6090 PMn Nuka Formation (lPMn5, DL004; PMn5, MU002) [Overprint symbol 16] 615 13 6395 Mks Endicott Group, Kurupa Sandstone (Mku, KL002) [Overprint symbol 13] 972 14 5070 MzPzctWhite-weathering chert or silicified limestone (wc, KL002) [Overprint symbol 14] 172 920 Tsg Sagavanirktok Formation (Ts, UT003; TKs, ML002) [Overprint symbol 14] 772 13 2040 Ksbf Seabee Formation (Ks, UT003; Kh, DP004; ML002) [Overprint symbol 13] 941 14 4130 Trcgs Conglomerate and shale, Middle Triassic (Trc, NB005) [Overprint symbol 14] 805 14 6939 Dkft Karheen Formation turbidite facies rocks 19 15 6760 SOgu Medium-grained biotite syenite and granite (SOdi, SOsy, SOgr, Sld, CR010) 505 6692 SOdcg Descon Formation conglomerate (SOdcg, CR005; Odsg, CR006; DE005; SOdcb, CR007; SOdc, CR010) 409 14 6710 SOdr Descon Formation - Dacitic to rhyolitic volcanic rocks (SOdr, CR010; SOf, CR005; SOdsv, DE003; SOdr, pOwr, DE004; Odv, DE005) 409 16 6711 SOdv Descon Formation, andesite and felsite (Odv, CR006; DE005; SOda, CR010) 505 13 6693 SOds Descon Formation fine-grained sedimentary rocks [see also NSA 6820] (SOda, DE003; DE004) 521 13 6820 SOmd Fine-grained low-grade metamorphic rocks of the Descon Formation and Wales Group [see also NSA 6693] (SOca, CR005; Oda, CR006; DE005; pOwp, DE004; DSmk, CR010) 409 44 6712 SOdvm Descon Formation, basaltic to andesitic volcanic rocks (SOdbv, DE003; SOdb, DE004; CR010; SObl, CR010; Odb, ODs, CR006; DE005; "NW" KC004; CR004; SObl, SOdv, SOv, CR003; SOdv, CR005; SOdv, CR007; Sav, CR009) 911 14 7800 OCmi Metaigneous and minor metasedimentary rocks (Or, Ofd, DE003) 446 1641 TKmd Mafic dikes (TMzm {northern half of quadrangle}, EA002; part TKd, LH002; TKsa, MD002; TKd, ID002; TKm, MG002; TKda, TKdm, RM004) 570 14 2080 Kto Torok Formation, Aptian to Cenomanian (Kto, KL002; UT003; PL003) [Overprint symbol 14] 570 16 2081 Ktfm Torok and Fortress Mountain Formations, undivided, Aptian to Cenomanian (Ktfm, HW003) [Overprint symbol 16] 772 13 2070 Knf Nanushuk Formation, includes former Kukpowruk, Tuktu, Grandstand, Corwin, Chandler, and Ninuluk Formations, now abandoned (Knc, Knt, KL002; Kn, UT003; Ka, DP004; ML002) [Overprint symbol 13] 562 14 1995 Ktu Tuluvak Formation (Ktu, UT003) [Overprint symbol 14] 341 1930 Ksb Schrader Bluff Formation (Ksbl, UT003) [Overprint symbol 14] 990 16 1515 TKpc Prince Creek Formation, shelf deposits (TKpc, UT003) [Overprint symbol 16] 172 14 921 Tsn Sagavanirktok Formation, Nuwok Member [Overprint symbol 14] 172 15 922 Tsfb Sagavanirktok Formation, Franklin Bluffs Member [Overprint symbol 14] 172 16 923 Tswh Sagavanirktok Formation, White Hills Member [Overprint symbol 14] 172 13 924 Tss Sagavanirktok Formation, Sagwon Member [Overprint symbol 14] 982 13 2184 Kfm Fortress Mountain Formation, interbedded wacke and mudstone (Kfw, DL002; DL003; DL004; Kfwc, DL004; KKy, DL005; Kfm, Kfcg, Kfs, KL002; Kb, DP004) [Overprint symbol 13] 338 14 1234 Twh Wrangell Lavas, shallow plutons, chiefly dacite, diorite, and quartz diorite (Th, MC006) [Overprint symbol 14] 307 16 1055 Twp Wrangell Lava, hypabyssal and plutonic rocks (Tp, NB002; NB007; NB108; Tdd, Tdqd, MC003; Tp, MC002) [Overprint symbol 16] 745 7086095 PAsb Saginaw Bay Formation, unit to be abandoned (CDs, PE003; PA003) [Overprint symbol 708] 712 7086933 Dbcl Black Cap Limestone and Cedar Cove limestone member () [Overprint 708] 85 15 8721 Cmgo Metamorphic rocks of eastern Prince of Wales Island (Cmpw, CR010) [Overprint symbol 15] 511 14 3251 Jtkh Talkeetna Formation, Horn Mountain Tuff member (Jtkh, IL007; KN005) [Overprint symbol 14] 511 15 3252 Jtkp Talkeetna Formation, Portage Creek Agglomerate member (Jtkp, IL007; KN005) [Overprint symbol 15] 511 16 3253 Jtkm Talkeetna Formation, Marsh Creek Breccia member (Jtkm, IL007; KN005) [Overprint symbol 16] 853 14 4720 JPc Christian River and Porcupine River sequences (JPc, CO002) 486 16 581 Tsti Siltstone of Trinity Islands (TI004; Tts, KD006) 341 13 2127 Kko Kongakut Formation, pebble shale and siltstone (Kk, Kk?, AC002; DP002; DP004) [Overprint symbol 13] 40 13 284 QTts Tilted sedimentary rocks at South Bight, Amchitka Island (QTs, RI005) 361 15 1525 TKcm Marine and nonmarine conglomerate to shale (TKs, DP002; TKsc, DP004) 961 13 4025 Trkc Karen Creek Sandstone (Trk, DP002) 892 14 4160 TrPsg Sadlerochit Group, undivided (TrPs, TrPu, DP002; TrPs, DP004; ML002) 892 15 4161 Tri Sadlerochit Group, Ivishak Formation (Tri, DP002) 842 13 5715 Pef Sadlerochit Group, Echooka Formation, undivided [NOTE: may be equivalent to NSA 5710 and 5735] (Pe, DP002) 745 14 6328 Mlk Lisburne Group and Kayak Shale, undivided (PaMlk, ML002) 961 14 3810 JTru Kingak Shale, Shublik Formation, and Karen Creek Sandstone, undivided (JTru, ML002) 562 15 2835 KJsh Pebble shale and Kingak Shale, undivided (KJs, DP004; ML002) 361 16 1518 TKcf Canning Formation, basinal turbidite deposits (TKc, BA002; DP004; ML002) [Overprint symbol 16] 591 16 2128 Kps Pebble Shale unit (Kp, DP004; ML002) 844 13 4000 Trsu Sedimentary rocks, undivided (Tru, DP004; ML002) 20 13 114 Qlv Levee deposits (KN008) 40 14 170 Qdl Deltaic deposits, including outwash and alluvial deposits (Qdl, KN008) 43 16 561 Tkw Kenai Group and West Foreland Formation, undivided (bT, bT?, KN006) 670 961 TKghs Ghost Rocks Formation, sandstone-rich unit, undivided (Tgs, KD006; KG006; TI005) 361 962 TKgha Ghost Rocks Formation, argillite-rich unit, undivided (Tga, KD006; KG006; TI005) 630 960 TKghc Ghost Rocks Formation, coherent (Tgc, KD006; KG006) 307 1150 Tgva Ghost Rocks Formation, andesitic volcanic and hypabyssal rocks (Tgva, KD006) 866 14 1151 TKgvb Ghost Rocks Formation, basalitic volcanic and hypabyssal rocks (Tgvb, KD006) 39 3481276 Togb Gabbroic rocks (Tgn, MF002; gbc, gbh, gbm, gbp, Kbgb, MF003; Tgbp, MF009; Tgb, MS002) 99 13 1318 Tgn Gabbronorite and norite (Tgn, SI004) 991 5203 MzZyu Undivided schist and gneiss (in SE Alaska) (PE, SD) 709 15 4480 Trsb Stuhini Group, pillow basalt, volcanic sandstone and mudstone (Trsb, AL003) 709 16 4481 Trmss Stuhini Group, tuffaceous sandstone, volcanic wacke, tuff, mudstone, and minor conglomerate (Trss, AL003) 913 15 4550 Trkg Kelp Bay Group, undivided (JTrkb, SI006) 805 15 6961 Dcg Conglomerate of the Kennel Creek Limestone (DSkc, JU010; SI003; SI006) 923 16 5675 PzZp Phyllite (TKp, PE003) 210 16 5380 Pzec Lower Paleozoic black chert. Derived from 1969-1970 Condan and Hoare field notes lPzc, TA019) 960 44 2831 KTrsi Marine volcaniclastic sandstone, conglomerate, and argillite apparently cut by dikes or shallow intrusions (KJsvi, TA015) 826 3420 Jla Lamprohyre and maifc dikes associated with Iliamna Volcano, thought to be Jurassic (la, b, IL007; la, KN005; LC007) 2 44 306 Qhd Domes associated with Holocene volcanic centers (Qgd, AD004; Qld, AD009) 283 15 750 Tgc Gunners Cove Formation, tuffaceous conglomerate and sandstone, crystal-vitric basaltic tuff, thin basalt flows, and basaltic dikes (Tgc, RI004) 283 15 751 Tbp Banjo Point Formation, sandstone, conglomerate, tuffaceous shale, and lapilli tuff of basaltic composition (Tbp, RI005) 309 1681 TJgd Gabbro and diorite, Tertiary to Jurassic age (TJgd HC003; RM005) 309 1682 TJm Mafic intrusive rocks, Nyack terrane (TJd, HC003; RM005) 990 16 1552 TMzf Basement rocks - fine-grained sedimentary rocks. (TMzf, AT002) [Overprint symbol 15] 326 44 1094 Tkv Krugoli Formation, lava. (TMzkb, AT004) [Overprint symbol 44] 615 44 1096 TMzbv Basement rocks, including basaltic, spilitic, and keratophyric lava and tuff. Pillow lava very common, western Aleutian Islands (TMzv, AT002; TMzl,TMzt, AT004) 511 44 3460 Jsb Igneous complex of Siniktanneyak Mountain, basalt at highest stratigraphic level. Includes pillow breccia, part of ophiolite. (Jsb, Jsd, HW003; HW004; Jsu, HW004) 44 13 1631 TJb Basalt and andesite, Whitefish Lake volcanic field (TJwl, RM003; TJb, RM005) 982 7082186 Kofc Coquina limestone of the Okpikruak Formation (c, HW003) 939 13 5990 PDcs Black phyllite, possibly metamorphosed Cannery Fm. (MDph, SK005) 961 15 4012 Trlt Fossiliferous limestone from the northeast Taylor Mountains quadrangle (Trlt, TA008) 256 7088015 Cs Middle or lower Cambrian thin-bedded platy limestone associated with coarse-grained silciclastic sandstone and granule conglomerate, possible shale (Cls, TA008; Sleetmute A-2) 911 7089120 Zs Dolostone, limestone, orthoquartzite, and minor chert (Zs, TA008; Sleetmute A-2) 980 4022 Trku Ursus Member, Kamishak Formation (Trku, IL002) 844 4023 Trkm Middle Member, Kamishak Formation (Trkm, IL002) 980 4024 Trkb Bruin Limestone Member, Kamishak Formation (Trkb, IL002) 801 7360 DSm Orange weathering chloritic marble Brooks Range schist belt (see also 6950, 6951) (DSom; Pzcm, AR002; DSso; DSso?; Pzmsm, SP002; DOtm, BM002) 712 6951 DSol Dark gray to orange weathering limestone (see also 7360) (Dl; Dl?, SP002) 824 14 5931 PDcv Cannery Formation metavolcanic and volcaniclastic rocks (PMcv, JU004; SD004; SI005) 258 44 5135 JMvr Rhyolite and dacite of Tozitna terrane (JMvr, CS002) 899 12950HFS Hornfels and migmatite 490 10100SED Clasitc sedimentary rocks 490 10400CARB Carbonate sedimentary rocks 490 10800CHEM Chemical sedimentary rocks 274 11000VOLC Volcanic rocks 274 11400PLUT Plutonic rocks 274 11800HYP Hypabyssal rocks 899 12000LGM Low-grade metamorphic rocks 899 12500HGM High-grade metamorphic rocks 899 12600HGMC High-grade metamorphic rocks, carbonates 978 10000bu Completely unknown 972 15 5261 MzPzq Greenschist of lower grade metavolcanic and metasedimentary rocks unit (TrPs, JU010) [Overprint pattern 14] 905 7084521 Trmb Marble (mTrmb, JU010) [Overprint symbol 708] 924 7207 Dgg Gambier Bay Formation, pyrite-bearing garnet-chlorite-amphibole-quartz-feldspar schist and gneiss (Dgg, JU010) 924 7208 Dgs Gambier Bay Formation, homogeneous layered garnet-chlorite-quartz-feldspar schist and semischist ; with minor dark gray phyllite and chlorite-actinolite schist (Dgs, JU010) 924 7209 Dgp Gambier Bay Formation, dark gray locally pyritic and graphitic semischist and phyllite; some quartz-rich semischist and Retreat Group; black siliceous phyllite on Admiralty Island (Mzps, JU002; Pzcs, PzZr, JU004; SI005; Dgs, JU010) 210 13 5721 Pps Pybus Formation, phyllite, slate, shale, siltstone, and graywacke member, also Sitth-gha-ee Peak Formation phyllite, slate, metagraywacke (Pss, SK002; SK010) 210 14 5722 Pps Pybus Formation, chert member 466 44 5685 Pzog Four Winds Complex orthogniess (Mzog, SK004; Pzgn, SK005; SK006) 805 7086995 DOl Thin-bedded to massive, fine-grained, limestone with local interbedded tuff and mafic volcanic rocks (DOl, GO002) 980 7084515 Trw Whitestripe Marble (Pmum, MF003; Trwm, MF004) 913 44 2985 Kyxg Yakutat Group Greenstone (Kyv, Kma, MF003) 982 14 2891 KJsv Volcanic Rocks of the Sitka Graywacke (KJsv, SI002; Ksv, SI004) 909 44 2865 KJsgu Sitka Graywacke, undivided ( 909 15 2866 KJsgs Sitka Graywacke graywacke and argillite (KJs, MF004; PA002; PA004; SI002; SI006; Ksh, MF002; SI004; Ks; MF011; PA006; SI004; SI009; KJsh, PA002; PA004; SI002; SI006) 505 16 6830 SOdsv Metamorphosed and hornfelsed Descon Formation schist and semischist (Pzmh, MF003) [Overprint symbol 16] 980 7084516 Trw? Whitestripe Marble? 712 7086932 Dwl Wadleigh Limestone (Dw, Dkl, CR010) [Overprint 708] 803 14 7030 Dcv Karheen Formation volcanic and hypabyssal rocks 815 15 7204 Dgu Gambier Bay Formation, undivided, sedimentary and volcanic rocks, marble and recrystallized limestone, phyllite and semischist, and tuffaceous marlstone, pillow breccia, volcanic conglomerate, aquagene tuff, subordinate basaltic to andesitic pillow flows 85 44 8803 PzZcg Nisling Biotite gneiss 186 16 8804 PzZbg Nisling Schistose polymictic conglomerate 939 13 5933 PDcsm Cannery Formation slate and mable 923 13 5295 MzZfm Metabasic and metafelsic volcanic rocks, undifferentiated.(MzPzfm, WI003) [Overprint symbol 13] 245 14 5965 PDs Metasiliciclastic rocks and minor carbonate rocks (PDs, CY006) 824 13 5209 MzPza Black argillite and other low-grade metasedimentary rocks along the Tintina Fault zone (MzPza, CY006) 734 7086650 SCju Jones Ridge Limestone (early Cambrian to Late Ordovician) and Road River Formation (Silurian) (SCju, CY006) 795 16 8013 CZu Sedimentary rocks, undivided (CZu, CY006) 256 13 5540 Pzgs Greenschist and other metamorphic rocks, undivided (Pzgs, CY006) 972 5022 MzPzs Low-grade metasedimentary rocks of the Seventymile/Slide Mountain terrane (MzPzs, CY006) 941 4015 Trsf Shublik Formation, black shale, sandstone, and silty limestone (Trs, CO002; AC002) 256 14 3270 JMsu Strangle Woman Creek sequence, undivided (JMsu, CO003) 944 14 3271 Jqs Strangle Woman Creek sequence, quartzite and shale (Jqs, CO002) 944 15 3272 JMqs Strangle Woman Creek sequence, quartzite, shale, and sandstone (Jqss, CO002) 281 3280 JMpu Younger strata of the Porcupine River sequence, undivided (JMpu, CO003) 805 6970 DCpu Older strata of the Porcupine River sequence, undivided (DCpu, CO003) 513 15 5361 Pzss Schistose sandstone, Paleozoic(?) (Pzsc, CO002) 824 3485555 Pzpr Porcupine River sequence -- Argillite (Pza, CO002) 913 2382955 KJsx Khaz melange or melange associated with the Sitka Graywacke (Kk, MF002; SI004; KJk, KJkh, PA002; SI002; KJkm, SI002; JTrk, PA004; SI006 913 14 2956 KJks Khaz melange, sandstone mass (KJks, SI002) 307 15 1059 Tcv Cenotaph Volcanics, undivided (Tc, MF003; Ta, SI005) [Overprint symbol 15] 46 1302 Tegr White Pass Plutonic Province, Biotite granite and sphene-biotite granite (Tegr, SK013) 793 13 3220 Jms Micaceous, fine-grained black graywacke, siltstone, and slate, and gritty limestone. (Jlvs, DI003; TA006) 58 13 1656 TKgr Granite and alaskite (TKga, DI005; TKi10; TKi11, LC002) 58 15 1657 TKgs Syenitic rocks (TKgn, DI005; Tg, DI002) 58 16 1658 TKgm Quartz monzonite and quartz monzodiorite (TKg, DI005; TKpsw; TKpe; TKpsw; TKgnw; TKge, DI009; TKi5, LC002; TKqm, LC012; TKik, Kick, Kicc, BH002; i, TA010; TA011; TA012) 793 3181 Jtb Tuxedni Group, Bowser Formation (Jtb, IL007; KN005; SV004) 793 3182 Jtt Tuxedni Group, Twist Creek Siltstone (Jtt, IL007; KN005; SV004) 793 3183 Jtc Tuxedni Group, Cynthia Falls Sandstone (Jtc, IL007; KN005; SV004) 793 3184 Jtf Tuxedni Group, Fritz Creek Siltstone (Jtf, IL007; KN005; SV004) 793 3185 Jtg Tuxedni Group, Gaikema Sandstone (Jtg, IL007; KN005; SV004) 793 3186 Jtrg Tuxedni Group, Red Glacier Formation (Jtr, IL007; KN005; SV004) 314 1112 Trd Rhyolitic and dacitic tuff (44 Ma) (Tbr, DI005) 793 3025 Jc Chinitna Formation (AN002; KN002; IL002; SV002) 28 16 1325 Tpgr Granite, aplite and related rocks including peralkaline granite (Ti3, LC002) 913 3484950 Mzm Tikchik terrane melange (MzPz, DI003, DI005, DI007, GO002, TA003; TA006; TrPzm, BH002; KCgc, BH004; KCg4, DI002; TA002; Mzm, TA019) 505 7086831 SOdm Marble, metamorphosed Decon Formation limestone (Pzm, JU010; SI004; SI006; JU007; MF004; SI003; Kch, JU002; Pzmm, SK002; MF003; SK010; Soc, SK016) 913 7088014 Cls Medium- to thick-bedded, commonly light-gray to dark-gray lime mudstone (Cls, TA008) 439 5235 KMu Melange-like assemblage of mafic volcanic rocks, chert, mudstone, argillite, graywacke and limestone (KMu, RM005) 409 3406 Jgb Largely gabbroic rocks, may include minor ultramafic or dioritic rocks (Jg, GO002; HG002; TJik, BH002; TJim, RM003; Jg7, DL002; DL004; Jg7, Jfg7, MU002; Jg, SI006; Jmp, VA002; Jsg, Jslg, HW003; HW004) 341 1932 Ksbm Schrader Bluff Formation, middle member (Ksbm, UT003) 341 1933 Ksbl Schrader Bluff Formation, lower member (Ksbl, UT003) 772 16 2071 Knu Nanushuk Formation, upper part (Knu, UT003; PL003) 772 14 2072 Knl Nanushuk Formation, lower part (Knu, UT003; PL003) 341 1931 Ksbu Schrader Bluff Formation, upper member (Ksbm, UT003) 126 1023 Talb Alkalic basalt flows and pyroclastic rocks (Ta, NI003) 717 3890 JTro Probable dismembered altered ophiolite complex consisting of mafic flows, dikes, volcaniclastic rocks, and gabbro, subdivided: (Pzmg, GO002; HG002) 705 3891 JTropbPillow basalt (Trub, GO005; HG003) 615 3892 JTrot Trondhjemite (Trut, GO005; HG003) 615 13 3893 JTrod Diabasic intrusive rocks (Trud, HG002; HG003) 717 3894 JTropgPyroxene gabbro (Trug, GO005; HG003) 705 3895 JTrosuSerpentinized ultramafic rocks (su, GO005; HG003) 991 16 3950 JTrcs Calcareous schist and phyllite (JTrmc, GO005) 944 16 3230 Jvt Volcaniclastic turbidites (Jln, GO005) 708 44 3990 JTrmb Metabasaltic schist (JTrmb, GO005; HG003) 717 44 3991 JTrmv Volcaniclastic schist (JTrmb, GO005; HG003) 941 14 5010 KPs Carbonaceous shale, mudstone, and graywacke; subordinate limestone, chert, conglomerate, and mafic volcanic rocks; minor felsic volcanic rocks; and the metamorphosed and deformed equivalents (SEAK) 980 14 5105 KPv Andesitic or basaltic flows and locally fragmental rocks, subordinate clastic strata and carbonate, and the metamorphosed and deformed equivalents (SEAK) 307 1056 Tmb Olivine basalt flows and cinder cones (Tb, YFB) 972 5036 Pzta Sedimentary rocks of the Tatonduk area, undivided. Ranges through entire Paleozoic, diverse lithologies, many formal units lumped (PCta, YFB) 982 4730 4730 Minto unit, Wilber Creek flysch and Wolverine quartzite, undivided (KJmu, YFB) 795 8440 PzZl Sedimentary and igneous rocks corresponding to the Livengood sequence of Weber and others (1992) (PzZl,, CI006; LC005; TN009) 795 13 8441 PzZl Sedimentary and igneous rocks corresponding to the Fairbanks-White Mountains sequence of Weber and others (1992) (PzZw, CI006; LC005; TN009) 941 5213 TrPzd Metasedimentary, metavolcanic, and sedimentary rocks of the Doonerak area (Other maps show as NSA 5565 and 6685) (TrPzd, YFB) 801 8850 DSskm Metasedimentary and metaigneous rocks of the Hammond terrane, Brooks Range, lumping of many otherwise defined units (PzpCh, YFB) 85 8852 PzZmr Metamorphic rocks, lenses near Kobuk and Victoria Creek fault systems, amphibolite facies (PzpCm, YFB) 817 9050 Zbi Basic intrusive rocks (pCi, BR002) 817 8442 DZsi Sedimentary and igneous rocks corresponding to older parts of the Schwatka-Rampart area sequence of Webber and others (1992) (PzZs, , CI006; LG005: TN009) 245 14 5335 PDs Undivided sedimentary rocks of the Venetie terrane, Permian to Devonian? (Pzvu, CH003; CO003; CS003; Pzcm, CO003) 277 14 2972 KDvd Deformed, disrupted, and metamorphosed mafic to intermediate and minor felsic volcanic rocks, (Gravina?) (KDvd, PE006; SD016) 941 15 5011 KPsv Shale, mudstone, graywacke, andesitic or basaltic rocks, subordinate chert and carbonate rocks (KPsv, BC006; JU012; KC013; PR003; SD016; SI009; TR006) 505 6689 SOdu Descon Formation, undivided sedimentary and volcanic rocks (SOsv, CR012; DE008; KC013; PE006; PR003) 817 7670 Ogb Hornblende gabbro and subordinate hornblende pyroxenite and hornblendite (Ogb, CR012; DE008; KC013; PR003) 793 14 3151 Jkmb Turbidites of Metervik Bay, subdividion of graywacke of Kulukak Bay (Weary Graywacke) (Jmm, GO005) [Overprint symbol 14] 281 3255 JTrcv Coarse volcaniclastic sedimentary rocks (TJvb, GO005) 772 3152 Jvt Volcaniclastic turbidites of Togiak Bay - Goodnews terrane (Jmt, GO005) 842 3310 Jlt Laminated tuffs and associated rocks (Jct (Jpb), GO005) 258 3510 Jlgd Granodiorite of Hagemeister Island, early Jurassic age 400 3451 Jmv Middle Jurassic interbedded volcanic and sedimentary rocks (Jmv, GO005; HG003) 615 14 5746 Pvs Permian volcaniclastic rocks (Pvs, GO005) 379 5239 Jgs Metabasalt and minor metachert (MzPzb, BH002; DOs, BH004) 382 3005 Jvs Marine volcaniclastic sandstone, conglomerate, and argillite (Jvs, BH002) 450 2832 KJc Argillite and tuffaceous chert (KJc, BH002) 400 3254 Jlvs Volcanic and sedimentary rocks, possible Talkeetna equivalent 982 2870 KJba Basalt and andesite flows, Whitefish Lake volcanic field, Nyac terrane (TJwl, RM003; KJba, BH002; RM003; KJv, SC002; KJvs, GO002; KJv, DI005) 745 6580 MDm Marble and metabasaltic dikes, Goodnews terrane 422 341 Qvdt Viscous domes in young Hawaiian volcanic rocks, trachyte (Qhd, Qld, HI002) 422 342 Qvdm Viscous domes in young Hawaiian volcanic rocks, mugearite and benmoreite 422 343 Qvdb Viscous domes in young Hawaiian volcanic rocks, basalt 108 334 Qvm Mugearite and benmoreite flows (plm, HI003) 112 333 Qvt Trachyte flows (hwt, HI003) 204 480 QTkv Kula volcanic series and equivalents, undivided 314 1046 Tpb Paniau Basalt (Tb, KA002) 978 134 Qsb Glacialy scoured bedrock; may be covered with thin glacially derived deposits [Relict NSACLASS code] 913 2198 KJms McHugh Complex, graywacke and conglomerate (KPms, SV002) 408 2199 KTrmc McHugh Complex, basalt and chert (KPms, SV002) 822 2708 Kvml Valdez Group, melange of Iceworm Peak (Kvm, SV002) 824 6190 Paum Massive, dark weathering, coarse to medium grained, hornblendite-gabbro (Boswell) (uCB3, YLB002) 745 6315 Mlt Lisburne Group, Tupik Formation, uppermost unit in western Alaska (Mt3, Mt3e, MU002; Mt, PH002; DL006) 844 4016 Trks Karen Creek Sandstone and Shublik Formation, undivided (Trks, DP002; DP004; ML002) 562 2834 KJks Kingak Shale (Jk, Jk?, DP002; TB002; KJk, DP004; ML002) 562 2805 KJtf Telavirak Formation (KJt, PH002) 853 16 4725 KMaf Arctic Foothills Assemblage (KMaf, CL002) 158 61 2261 Kvt Iditarod Volcanics, Kipchuk Volcanic Field, and similar units, tuff dominated units (Kkt, Kit, ID002; Ksl, Kvk2, Kvk4, Kvk5, BH002; TKft, TKdt, TKat, TKgrt, Kvti, SM003; Khtb, SM006; Kkv, TA019; TA015) 326 1011137 Tosd Orca Group, sheeted dikes, Paleocene and Eocene? (Tod, SR002; SR004; SR005) 365 14 8641 Zq Quartzite, grit, and argillite (PzpCs, MD002) Is this Wickersham? 937 21 4017 TrPss Shublik and Siksikpuk Formations, undivided (TrPss, PH002; TrPs, SP002) 745 6085 PaMlu Lisburne Group, informal upper unit (PaMlu, AC002) 745 6086 PaMla Lisburne Group, Akmalik Chert (PaMa, AC002; KL002; PaMap HW003; HW004; MU005) 745 6326 Mlgl Lisburne Group, informal lower part (Mll, AC002; Maw, Mawc, CL002) 821 16 6917 Dkys Endicott Group, Kanayut Conglomerate - Stuver Member nonmarine shale and quartzite (MDks, AQC002; KL002; MDksm, Dkq, AC002; Dkq, CS002; MDks, KL002; Dks, PS002) [Overprint symbol 16] 821 6918 Dkym Endicott Group, Kanayut Conglomerate, middle member (Dkl, AC002; Dke; KL002; Dkls, PS002) 821 6919 Dkyl Endicott Group, Kanayut Conglomerate - lower member, nonmarine shale (Dkl, AC002; Dke; KL002; Dkls, PS002) 799 6410 Mv Volcanic rocks and sills associated with Lisburne Group (PaMv1, MU002; DL003; Mv, PS002) 745 14 6327 Mlgn Lisburne Group, Nasorak Formation (Mn, DL005; Mln, Mlnu, Mlnc, Mlnl, PH002) 924 14 6981 Dbk Baird Group, Kugururok Formation (limestone) (Dk, BM002; DL006; MU006; Dl5, Dsl5, MU003; MU004; Du, DL006; MU006; Dbl, DL004; Dbl3, DL003; DL004; Dbl4, DL004) 801 6982 Dbe Baird Group, Eli Limestone (Dbl3e, MU002; M003; MU004; Dbs3; DL004; Dd, SL002) 924 6980 DSb Baird Group; Massive light gray reefoid limestone and dolomite with local thin interbeds of calcareous phyllite (DSba, AR002; DOc, DOb, BM002; Db3, Db4, MU002; MU003; MU004) 281 3265 JPp Pogibshi Formation of Kelley (1980) (Jt [part], SV002) 961 4019 Trpg Port Graham Formation of Kelley (1980) (JTrp, SV002) 836 14 4121 TrPaisImnaitchiak Chert, Etivluk Group equals chert of Siksikpuk Formation (TrMi, PPai, AC002; TrPc, DL005; JPAip, JPAii, HW003; MU005; JPip, Jlpii, HW004; TrPai, KL002) 399 1294 Toeg Gabbro or gabbro and diorite, Prince William Sound (Tgb, SR004; Tgd, SR002) 496 1374 Togb Orca Group gabbro and diorite (Togb, SR002; SR004) 812 8110 Cv Marmot -- Whale Mountain volcanics (CSM7, YU00E; Cv, DP002) 817 8200 Ci Mafic intrusive rocks (Ci, DP002) 570 2025 Klu Undivided Lower Cretaceous sedimentary rocks, northern Alaska (Kl, NS003)