‘ÉSYMBOLNOVERPRINTNNSACLASSNQCLASSNUNIT_LABELCGEOLOGIC_UC¹SOURCESCþ 136 99 99 bu Bedrock 74 101101 g Ice fields or glaciers (g, AN002; Qg, MG002; Qi, PE003) 59 102102 Water (streams, lakes, ocean) 4 1001000Qs Surficial deposits, undifferentiated Qu, LC002; DI002; TA002; DI005; LC005; MC002; MC00; VA003; CV002; BG003; Qs, IL002; KN002; KN003; KN008; KN009; TA015; GU002; CV003; Q, TA003; TA004; TA005; TA009; TA010; TA011; TA012; LC006; VA002; Qcaf, IL008; KN011 59 2131031030 Tidal flat and estuarine deposits, offshore, subject to inundation Qtf, KN008 7 2081041040Qad Avalanche deposits 7 1051050Qa Alluvium Qal, DI002; DI005; IL003; LC005; KN005; KN006; IL007; LC007; MC003; NB004; NB008; NB109; GU101; TA002; MC100; Qal, Qalf, NB108; Qa, DI003; TA015; NB002; GU002; MC004; VA007; IB003; VA004; YA003; GU003; GU004; NB007; Qau, NB002; Qs, KN007; BG002; YA002; M 7 2171061060Qaf Alluvial fan deposits 7 1061061Qao Older alluvial fans 7 2281061063QafsAlluvial deposits, Partially submerged alluvial fans and cones 8 1071070Qc Colluvium 8 1971071071QaftTalus and rubble deposits Qtr, IL003; Qct, Qpr, KN006 8 1981071072Qcb Bluff colluvium Qcb, MC004; GU003; GU004; NB007 8 1981071073Qcb Fine-grained colluvial deposits, may be solifluction related? Qcf, AD012 8 2201081080Qls Landslide deposits (Qls, BG002; CB003; CV003; MK002; PE002; PM002; UG003; UG004; Ql, EA002; FB002; MC003; MK002; NB002; SP002; TC002; TL002; Qrs, Qls, KH003; TN002; ls, CG003; NL003; Qcl, MG002) 7 1091090Qoa Older alluvium Qc, GU002; Qao, IB003; BG004; YA003; MC004; LC005; GU003; GU004; NB007; KN008; Qoa, NB004; VA007; GU101; NB108; MC100 8 2071101100Qt Terrace deposits Qt, TA015; Qtg, DI005; LC005; KN008; Qts, IL003 8 1971101102Qto High level, older terrace deposits Qtg, DI005; Qtgo; LC005; Qt2, TA015 11 1111110Qac Abandoned channel deposits (Qfy, Qfo, KT002; MD002; MZ002; Qab, BD002; FB002; LG002; Qfo, NL003; Qc, GU002; ac, MK003; Qab, DI005; Qac, CG003; CG004; TA015) 59 2281121120Ql Lacustrine deposits (Ql, CB003; CG004; GU002; KH004; LH002; UG003; UG004; Qfl, MH002; Qfl, Qgl, NB002; Qlc, KH002; Qls; Qfl, TC002; Qls, DI002; DI005; ld, MK003; l, CG003) 1121120QglfGlaciolacustrine fan deposits, change to NSA 123 (LC005) 66 2281131130Qsw Swamp deposits (Qs, FB002; TC002; Qsp, BD002; Qrs, RM002; Qs, Qsu, LG002; Qsw, DI005; sw, CG003) 13 1141140Qlv Levee deposits Qlv, KN008 30 1151150Qb Beach deposits (Qb, AT002; BG002; BS004; CB003; CG004; CV003; PM002; SR004; TC002; UG003; UG004; Qyb, Qob, BL002; HP002; KW002; Qbl, SC002; Qbs, Qbb, UK002; be, MK003; b; CG003) 30 2201151151Qbe Beach deposits, elevated beach ridges Qbe, IL007 67 2281161160Qes Estuarine deposits (Qes, CB003; CG004; DI002; DI005; Qe, HP002; MA002; Qf, NR002; es, MK003; Ql, CV003?; es, CG003) 67 1171170Qmt Marine and lake terrace deposits (Qmt, CB003; CG004; PM002; UG003; UG004; Qtg, AD002; mt, CG003; MK003) 67 1171171Qlt Lake terrace deposits 155 1181180Qms Mineral spring deposits (Qme, MC004) 3 1971191190Qda Active dune deposits (For YK map initially; AR, KT quads) 3 1201200Qd 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; Qds, GU002; Qe, Qd, TC002; Qs, AD002; BD002; BV002; BM002; RB009; SE002; Qs, Qws, SH002; Qw, 3 1971201201Qda Active dunes 3 1981201202Qdi Inactive dunes 3 1991201203Qds Sand sheets (sandur) 3 2201211210Qfl Loess, Fairbanks loess Qf, FB002; Ql, BD002; BR002; BV002; CI002; CY002; KH003; TN002; Qlc, LG002; Qsw, RM002 3 2211221220Qsu Frozen silt, undifferentiated (Qsu, FB002; Qs and Qsu, CI002; Qs, BH004; KH002; KH004; RM002; Qsp, MG002; RM004) 82 2171231230QglfGlacial outwash derived fans deposited in ephermeral glacial lakes Qglf, LC005; Qd, NB108 82 2281241240Qgl Glaciolacustrine deposits Ql, GU002; Qgl, MC004; Qgl, LC005 39 1251250Qm Glacial deposits, undivided, of Holocene and/or Pleistocene age (Qm, BD002; CB003; CG004; CI002; CV003; EA002; KN003; MK002; PM002; SP002; TA015; TN007; Qdt, Qdic, MG002; Qd, RM002; Qt, AT002; BH002; BV002; KH003; RM003; UN002; Qg, BM002; GO002; HG002; LH002; MD002; MZ002; NG002; Qdw, Qda, SH002; Qd, AD002) 74 2201261260Qsg Superglacial drift (Qsm, BG002; CV003; MM002; Qsg, CG004; sg, CG003) 24 1271270Qrg Rock glacier deposits Qr, LH002; NB002; SP002; TL002; TC002; Qrg, BG002; KN003; MC003; MG002; RM004; rg, MK003; CG003 55 1281280Qsf Solifluction deposits Qsf, KH002; Qsm, BV002; Qs, MC003 60 1291290Qek Esker deposits Qek, DI005; LC005; Qwfe, GU101 19 1301300Hnd Drift, neoglacial (Qm, 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; nd, MK003; Qnd, CB003; ad, CG003) 19 1971301301HliaMoraine of Little Ice Age glacial advance Qgtn, LC007; Qmo, YA002 19 1981301302Hg Moraine of pre-Little Ice Age glacial advances Qgt, LC007; IL007; KN005; Qatt, IL003 10 1311310Qno Outwash deposits, Neoglaciation (Qgo, UK002; no, MK003; Qno, CB003; Qoal, MC003; ao, CG003) 37 1351350Qwu Drift, undivided, Wisconsin-age Glaciations: Aleknagik, Brooks Lake, Naptowne, Donnelly (Qag, Qam, Qamg, Qbg, Qbm, DI002; TA002; Qbl, DI005; Qrm, FB002; Qyg, HU002; Qdtf, MG002; Qwm, MH002; Qom, MM002; Qwg; NB002; Qgt2, Qgt3, RM004; Qg, SM002; Qg3, Qg, Qm3, TA002; Qm, TC002; Qn, TL002; Qk, Knik, TL002, Qt, TN002; Qgo, TY005; Qdm; FB002; Qbl 37 1351351QwubDrift, undivided, Wisconsin-age Glaciations: Brooks Lake Qbl, LC005 37 2241351352QwuaDrift, undivided, Wisconsin-age Glaciations: Aleknagik Qag, DI002; DI005 37 2251351353QwunDrift, undivided, Wisconsin-age Glaciations: Naptowne Qn, TL002; Qgn, LC007; KN005; SV004 37 2051361360Qw3 Riley Creek glaciation, also Brooks Lake, Iliuk, late Wisconsin (Qt3?, TN002; KH003; Qg3, SM002; Qblik, CG004; PM002; UG003; UG004; blik, CG003; MK003; Qrc2, Qblik, CB003) 37 2061371370Qw2 Till, Brooks Lake, Newhalen (Qt2, TN002; KH003; Qg2, SM002; Qbln, CG004; PM002; UG003; UG004; bln, CG003; MK003; Qrc1, Qbln, CB003) 37 2071381380Qw1 Till, Brooks Lake, Iliamna (Qt1, TN002; KH003; Qg1, SM002; Qblil, CB003; CG004; PM002; TA015; UG003; UG004; blil, CG003; MK003; Qwg, MC003) 37 2081391390Qw0 Till, last glacial maximum (LGM) (Qblk, CB003; CG004; DI005; MK005; PM002; TA015; blk, CG003; MK003) 37 2081391391Qw0 Till, Brooks Lake, Kvichak (Qblk, CB003; CG004; DI005; MK005; PM002; TA015; blk, CG003; MK003) 37 1981391395Qog Glacial deposits of the Okstukuk glaciation Qog, DI002; TA002; DI005, TA015 33 2001401400Qwo Outwash deposits, Late Wisconsin-age Glaciations; Outwash, Riley Creek Glaciation, late Wisconsin Qdo, BD002; Qao, Qbo, DI002; TA002; Qo3, TA002; Qao, LH002; Qdo, Qdot, MG002; Qwf, MH002; Qw, MM002; Qo, BH004; RM002; Qgf, RM004; Qou, SM002; Qoa, TC002; blo, CG003; MK003; Qblo, CB003; CG004; DI005; PM002; TA015; Qwo, MC003; Qrc, FB002) 33 2001401401Qw3oLatest Wisconsin outwash deposits 32 2001401402Qw2oMid-range Late Wisconsin outwash deposits 31 2001401403Qw1oEarliest Late Wisconsin outwash deposits 47 2071451450QbldDrumlin deposits in ground moraine fields of Brooks Lake glacial deposits (Qbld, LC005) 22 1601600Qrd Rock-defended terraces (Qb, TN002; KH003) 22 1611610Qat Altiplanation terraces (Qat, TN002; KH002; KH003) 20 1701700Qdl Deltaic deposits, including outwash and alluvial deposits (Qdl, KN008) 47 1971901900Qew Glaciations of early Wisconsin age: Mak Hill, Healy, Eklutna, Iowithla (Qom, Qmm, DI002; TA002; 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; FB002; Qe, TL002; Qew, TA015) 47 1971901901QewmGlaciations of early Wisconsin age: Mak Hill Qmh 47 1981901902QewiGlaciations of early Wisconsin age: Iowithla Qim, DI002 80 2071911910QewdDrumlins associated with early glaciations (Qewd, DI005) 47 1991941940QewgEarly Wisconsin ground moraine (Qog, Qmg, DI002; TA002; Qewg, DI005) 47 1991941941Qmg Early Wisconsin ground moraine, Mak Hill (Qog, Qmg, DI002; TA002; Qewg, DI005) 47 2001941942Qig Early Wisconsin ground moraine, Iowithla (Qog, Qmg, DI002; TA002; Qewg, DI005) 44 1951950QewoOlder Wisconsin age outwash (Qho, FB002; Qof, MG002; Qoo, Qmo, DI002; TA002; Qo2, TA002; Qmho, CB003; CG004; UG003; UG004; mho, CG003; Qewo, TA015) 44 1951951Qmo Older Wisconsin age outwash, Mak Hill (Qho, FB002; Qof, MG002; Qoo, Qmo, DI002; TA002; Qo2, TA002; Qmho, CB003; CG004; UG003; UG004; mho, CG003; Qewo, TA015) 44 2241951952Qio Older Wisconsin age outwash, Iowithla (Qho, FB002; Qof, MG002; Qoo, Qmo, DI002; TA002; Qo2, TA002; Qmho, CB003; CG004; UG003; UG004; mho, CG003; Qewo, TA015) 80 2002000Qmi Illinoian glaciations (Qpe, TL002; Qdlm, BD002; Qdm, FB002; Qdtplm, MG002; Qdm, TC002; Qig, Qim, Qug, Qum, DI002; TA002; jhd, CG003; MK003; Qjhd, CG004; UG003; UG004; Qsg, SL002; Qjh, CB003) 75 2102100QmioOutwash older than Wisconsin-age (Qdo, FB002; Qdlo, BD002; Qof, TC002; Qio, Quo; DI002; TA002; Qjho, CG004; jho, CG003) 84 2202200Tmp Pliocene(?) glaciations (Qty, BG002; Qbm, FB002; Tg, NB002; QTg, MG002; Qom, TC002; Qsb, CB003) 78 1962702700Qfr Fringing and fossil carbonate reefs (Qr3, OA003; Qr2, Qr1, MW006) 138 2752750Qsb Scoured bedrock (Qsb, LC005, KN008) 4 2802800QTs Surficial deposits, undivided (ID002; BR002) 40 2822820QTmbSemiconsolidated marine beach deposits (Tc, AD002; QTs, GO002; HG002) 124 2852850QTg High-level gravel (QTg, BV002; KH003; LG002; MD002; TN002; Tc, TC002) 125 2902900QTf Faneto Formation (AT002) 218 2952950Qpm Placer and anthropogenic deposits (Qp, ID002; Qg, LG002; FB002) 151 3003000Qv Volcanic rocks, undivided (Qnf, Qcc, Qcs, GU002; Qv, Qal, IL002; Qv, Qfp, CB003; Qv, CG002; CG004;KN002; MK002; PM002; TY002; TY005; UG004; LC002; Qya, UL002; Qrq, Qra, Qo, UK002; Qvi, UG002; Qcf, UG100; CG005; vu, CG003) 148 3013010Qw Wrangell Lava, younger part (NB002; Qdf, Qsf, GU002) 1482053013011Qww Wrangell Lava, younger part, Wrangell Volcano shield lavas (Qwws, WRST) 1481983013012QwwvWrangell Lava, younger part, Wrangell Volcano, valley-fill lavas (Qwwv, WRST) 1482073013013Qwd Wrangell Lava, younger part, Mt. Drum Volcano lava flows (Qwd, WRST) 1482093013014Qws Wrangell Lava, younger part, Mt. Sanford Volcano lava flows (Qws, WRST) 1482113013015Qwc Wrangell Lava, younger part, Capital Volcano shield and intracaldera lavas (Qwc, WRST) 1482133013015Qwt Wrangell Lava, younger part, Mt. Tanada shield and intracaldera lavas (QTwt, WRST) 122 3053050Hv Holocene volcanic rocks (Hv, Qfvs, CB003; TY005; Qp, TC002; Qby, SC002; Qvf, Qvp, Qvba, Qbo, Qbv, Qrf, Qcd, Qaf5, Qaf, Qbf, Qwf, Qef, Qff, Qc, Qyc, UK002; Tmb, Tyc, AD002; Qkn1, Qmn1, NI003; Qyt, UL002) 158 3103100Qpd 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) 123 3113110QafdAsh-flow and ash-fall deposits (Qafd, CB003; Qap, MK004) 123 3113111QafdAsh-fall deposits Qptc, AD012 159 3123120Qdf Debris-flow deposits (Qdf, Qvg, CB003; TY005; Qsdf, GU002; Qda, Ql, UG100; df; CG003) 1592093123121QdfoDebris-flow deposits, older Redoubt, still Holocene (Qdf, Qvg, CB003; TY005; Qsdf, GU002; Qda, Ql, UG100; df; CG003) 1592113123122QdfyDebris-flow deposits, younger Redoubt, late Holocene (Qdf, Qvg, CB003; TY005; Qsdf, GU002; Qda, Ql, UG100; df; CG003) 166 3133130Qmf Mudflow deposits (Qar, IL002; mf, CG003) 129 3143140Qav Volcanic avalanche deposits (Qav, CB003; Qda, GU002) 85 3163160QshcHyaloclastite or aquagene tuff (Qsh, GU002) 71 3173170Qvs Bedded volcanic sediments (Qs, UK002; RI003) 112 3203200Qcs Cinder and spatter cones (Qcs, CB003; CG002; cs, CG003; Qwr, NB002; Qbc, FB002; GU002; Qc, UK002; Tmt, AD002; Qkr1, Qkn2, NI003) 3213210 Pit craters and calderas {feature, not really unit} (Qkp, Qpt, HI002) 1291943223220Qed Explosion debris . (Qp, UG100; CG005) 175 3303300Qvb Basalt of Togiak River Valley, or basalt flows (Qtb, GO002; HG002; KW002; MA002; HP002; HC002; Qbo, SC002; Qmb, Qcb, Qf, UK002; Qel, UN002; Tmc, Tpc, Tls, AD002; Qmr1, Qmn2, Qmn3, NI003; Qb, BC003; BH002; PE002; SL002; QTb, BH004) 126 3353350Qva Andesite and low silica dacite (Qlw, Qlp, Qe, RI003; an, CG003) 167 3363360QvdaDacite and rhyodacite (Qls, Qd, RI003; da, CG003) 153 3373370Qvr Rhyolite 111 3403400Qvd Viscous domes in young Hawaiian volcanic rocks, Hawi and Laupahoehoe Volcanic Series (Qhd, Qld, HI002) 174 3413410Qgm Small masses of gabbro in young Hawaiian volcanic rocks, Kahuku Volcanic Series (Qkhi, HI002) 157 3553550QhvuWest 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, MW006; Qpo, Qm, Qn, HI002) 1572133553551Qwj Wrangell Lavas, Mt. Jarvis volcanoes shield and intracaldera lavas (Qwj, WRST) 1572073563560QhcuWest 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) 171 3583580QhvdEast Molokai Volcanic Series (upper), Honolua Volcanic Series viscous domes (Qeud, OA003; Qhod, MW006) 1572093593590QhgmWest Molokai Volcanic Series (lower) and Wailuku, Kula, Kanapou, and Pololu Volcanic Series, gabbro masses (Qwli, Qwi, Qki7, Qki4, MW006; Qpoi, HI002) 128 3603600QhvlKoolau and West Molokai (lower) Volcanic Series - Early Pleistocene (Qk3, Qwl, OA003) 1282133703700QhclKoolau and West Molokai (lower) Volcanic Series, cinder, spatter, and littoral cones (Qkc3, Qwlc, OA003) 170 4004000Qi Intrusive rocks, undivided (Qi, CB003; PM002; Qdc, Qsi, GU002) 88 4014010QvdrDacitic to rhyolitic domes (Qvd, CB003; Qdd, Qdr, Qsr, Qni, Qcr, GU002; Hvcp, TY005; Qr, UK002; Qad, MK004; dap, CG003) 88 2074014011QwdrWrangell Lavas, Mt. Drum volcano domes, dacite and rhyolite (Qwdr, WRST) 88 2094014012QwsrWrangell Lavas, Mt. Sanford volcano dome, rhyolite (Qwsr, WRST) 88 2114014013QwjdWrangell Lavas, Mt. Jarvis volcanoes, dome, dacite (Qwjd, WRST) 90 4024020QanpAndesite plug domes (Qva, UK002; Tmtv, Td, AD002; Qld, UG100; anp, CG003) 102 4034030Qds Radial dike swarm and plug (Qcd, GU002) 1752134044040Qbd Basalt dome (Tmd, Tpd, Tpv, AD002; Qgd, AD004) 1082054504500QTv Quaternary and/or Tertiary volcanic rocks, undifferentiated (QTm, AT002; UN002; QTm, QTv, QTdv, CB003; QTv, BI002; CG002; CG004; CM002; IL002; KC002; MK002; NI002; PM002; QTv, QTam, QTab, UK002; Tv, TY002; TY005; QTu, GU002; Tav, AD002) 1082074514510QTa Andesitic lava (QTa, KH002, TN002; QTw, RI003; QTwt, WRST) 1082094524520QTd Dacite 1082114534530QTr Rhyolite 1082134544540QTobOlivine basalt flows (AD005) 161 4554550QTw Wrangell Lava (VA002; MC002; NB002; Qwf, GU002) 163 3504560QTb Basalt (BG002; BR002; BT002; CA002; KT002; NR002; RM002; SE002; SH002; TA003; TC002; UL002; Tw, TA002; v, TA012) 185 4604600QTi Intrusive rocks (QTi, GU002; VA002; UN002; QTvp, QTai, UK002; Tpp, AD002) 1852144624620QTqkQuartz keratophyre dikes (AT002) 1851974634630QTadPorphyritic dikes and stocks of hornblende andesite and dacite (AT002) 1852244654650QTwrWrangell Lava, rhyodacite and rhyolite domes and associated pyroclastic rocks (QTwr, NB002; Qwd, GU002) 1851984664660QTvbPochnoi Volcanics - Tuff-breccia, lava flows, and agglomerate, largely basaltic (Qtpo, RI002) 154 4704700QTvaQuaternary and/or Tertiary pyroclastic flow deposits (QTp, PM002; QTap, UK002) 69 4754750QTk Kiska Harbor Formation (QTk, KK002) 56 4764760QTkbKiska Harbor Formation, breccia member (QTkb, KK002) 69 2134774770QTkfKiska Harbor Formation, flow member (QTkf, KK002) 19 4904900QTc Quaternary or Tertiary metamorphic rocks, particularly in Mt. Dana area on Port Moller map (QTc, PM002; QTvq, UK002)