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["JQu","Glacial deposits and volcanic and plutonic rocks, undivided","Quaternary, Tertiary to Jurrassic","Glacial deposits and volcanic and plutonic rocks, undivided",null,null,"KN007",705,"Kenai","Igneous",99,null,null,99]
["bu","Possible bedrock of unknown character","Unknown","Areas that air photo interpretation suggest as being underlain by bedrock.  Typically are of higher elevation than surrounding glacial deposits and show hints of structure.  In one case, an apparent strike and dip of bedding is perceptible on air photos.",null,null,"KN008",899,"Kenai","Sedimentary",99,null,null,99]
["bu","Bedrock, undivided","Quaternary, Tertiary to Jurrassic","Bedrock, undivided",null,null,"KN007",99,"Kenai",null,99,null,null,99]
["Qs","Surficial deposits","Holocene and Pleistocene","Surficial deposits",null,null,"SV002",82,"Seldovia","Unconsolidated",100,null,null,1000]
["Qs","Surficial deposits","Holocene and Pleistocene","Surficial deposits",null,null,"KN002",100,"Kenai","Unconsolidated",100,null,null,1000]
["Qs","Surficial deposits","Holocene and Pleistocene","Surficial deposits",null,null,"KN003",3100,"Kenai","Unconsolidated",100,null,null,1000]
["Qs","Unconsolidated surficial deposits","Holocene","Undifferentiated boulders, cobbles, gravel, sand, silt, and clay of present streams; angular clasts of talus and locally, landslide deposits; stratified sand, silt, and clay of alluvial fan and flood-plain deposits; well-sorted stratified sand and gravel",null,null,"BS004",3,"Blying Sound","Unconsolidated",100,null,null,1000]
["Qs","Unconsolidated surficial deposits","Holocene","Undifferentiated boulders, cobbles, gravel, sand, silt, and clay of present streams; angular clasts of talus and locally, landslide deposits; stratified sand, silt, and clay of alluvial fan and flood-plain deposits; well-sorted stratified sand and gravel",null,null,"SR004",3,"Seward","Unconsolidated",100,null,null,1000]
["Qu","Surficial deposits, undivided","Holocene","Predominantly alluvium deposited by nonglacial streams and outwash deposited by glacial meltwater.  Consists of sand and gravel; terminal, lateral, and ground moraine composed of unsorted deposits of boulders, cobbles, gravel, and sand left by the retrea",null,null,"BS002",100,"Blying Sound","Unconsolidated",100,null,null,1000]
["Qu","Surficial deposits, undivided","Holocene","Predominantly alluvium deposited by nonglacial streams and outwash deposited by glacial meltwater.  Consists of sand and gravel; terminal, lateral, and ground moraine composed of unsorted deposits of boulders, cobbles, gravel, and sand left by the retrea",null,null,"MI002",100,"Middleton Island","Unconsolidated",100,null,null,1000]
["Qu","Surficial deposits, undivided","Holocene","Predominantly alluvium deposited by nonglacial streams and outwash deposited by glacial meltwater.  Consists of sand and gravel; terminal, lateral, and ground moraine composed of unsorted deposits of boulders, cobbles, gravel, and sand left by the retrea",null,null,"SR002",100,"Seward","Unconsolidated",100,null,null,1000]
["none","Drift River delta","Quaternary, Holocene","Drift river delta, no description",null,null,"KN007",707,"Kenai","Unconsolidated",100,null,null,1000]
["Qs","Quaternary surficial deposits","Quaternary","Undivided surficial deposits",null,null,"KN009",900,"Kenai","Unconsolidated",100,null,null,1000]
["Qs","Surficial deposits, undifferentiated","Holocene","Surficial deposits, undifferentiated -- Alluvium deposited by nonglacial streams and outwash deposited by glacial meltwater.",null,null,"CV003",110,"Cordova","Unconsolidated",100,null,null,1000]
["Qu","Surficial deposits, undivided","Holocene","Predominantly alluvium deposited by nonglacial streams and outwash deposited by glacial meltwater.  Consists of sand and gravel; terminal, lateral, and ground moraine composed of unsorted deposits of boulders, cobbles, gravel, and sand left by the retrea",null,null,"CV002",100,"Cordova","Unconsolidated",100,null,null,1000]
["yellow","Recent glacio-fluvial deposits","Quaternary, Holocene","glacio-fluvial deposits",null,null,"CV005",502,"Cordova","Unconsolidated",100,null,null,1000]
["yellow","Recent glacio-fluvial deposits","Quaternary, Holocene","Glacio-fluvial deposits",null,null,"CV006",502,"Cordova","Unconsolidated",100,null,null,1000]
["Qs","Undifferentiated surficial deposits","Quaternary","Mainly unsorted gravel, sand, and silt produced, deposited, and reworked by action of wind, water, glaciers, and frost, including solifluction.  In many areas of the map, this unit is a mixture of surrounding surficial deposit units that could not be rea",null,null,"KN008",800,"Kenai","Unconsolidated",100,null,null,1000]
["Qcaf","Colluvium, alluvium, lacustrine, and floodplain deposits","Quaternary, Holocene","Colluvium, alluvium, lacustrine, and floodplain deposits",null,null,"SV005",1500,"Seldovia","Unconsolidated",100,null,null,1000]
["Qcaf","Colluvium, alluvium, lacustrine, and floodplain deposits","Quaternary, Holocene","Colluvium, alluvium, lacustrine, and floodplain deposits",null,null,"KN011",1100,"Kenai","Unconsolidated",100,null,null,1000]
["Qs","Quaternary","Quaternary","Unconsolidated deposits",null,null,"KN012",1201,"Kenai","Unconsolidated",100,null,null,1000]
["Q","Surficial deposits, undivided","Holocene","Predominantly glacial moraine and outwash deposits and beach and terrace deposits. Consists of sand and gravel; terminal, lateral, moraine composed of unsorted deposits of boulders, cobbles, gravel, and sand left by retreat of alpine and valley glaciers;",null,null,"SR005",3007,"Seward","Unconsolidated",100,null,null,1000]
["Qag","Unconsolidated deposits","Quaternary","Includes stream and beach deposits, glacial till and outwash gravels, colluvium, and landslide debris",null,null,"KN014",141,"Kenai","Unconsolidated",100,null,null,1000]
["Qaf","Floodplains and alluvial fans, Alluvial fans and alluvial fan complexes","Quaternary, Pleistocene","Alluvial fans and alluvial fan complexes.  Southernmost polygons recoded as Quaternary deposits, undivided.",null,null,"SV007",4141,"Seldovia","Unconsolidated",100,null,null,1000]
["Qtf","Modern tidal flat and estuarine deposits","Quaternary","Well-sorted, stratified silt and some sand and local gravel deposited in shallow embayments.  Sub-tidal.",null,null,"KN008",803,"Kenai","Unconsolidated",103,null,null,1030]
["Qas","Tidal silt and beach deposits","Quaternary, Holocene","Tidal silt and beach deposits",null,null,"KN013",401,"Kenai","Unconsolidated",103,null,null,1030]
["Qas","Tidal silt and beach deposits","Quaternary, Holocene","Tidal silt and beach deposits",null,null,"SV007",401,"Seldovia","Unconsolidated",103,null,null,1030]
["Qal","Alluvial deposits -- Floodplain deposits","Quaternary","Floodplain deposits, inferred to be largely moderately to well-sorted sand and gravel.  Some silt locally.",null,null,"KN006",607,"Kenai","Unconsolidated",105,null,null,1050]
["Qal","Alluvial deposits, Flood-plain alluvium","Quaternary, Recent","Flood-plain alluvium, poorly- to well-sorted silt, sand, pebbles, cobbles, and boulders.  Mainly cobbles and boudlers except near tidewater.  Includes some glacial outwash.",null,null,"KN005",500,"Kenai","Unconsolidated",105,null,null,1050]
["Qs","Stream-channel deposits","Quaternary","Stream channel deposits",null,null,"KN007",701,"Kenai","Unconsolidated",105,null,null,1050]
["Qal","Alluvium","Quaternary","Mainly gravel and coarse sand, consists in part of glacial and glaciofluvial material reworked by postglacial streams.  Forms flood plains along major streams and rivers.",null,null,"KN008",805,"Kenai","Unconsolidated",105,null,null,1050]
["Qal","Alluvial deposits, Flood-plain alluvium","Quaternary, Recent","Flood-plain alluvium, poorly- to well-sorted silt, sand, pebbles, cobbles, and boulders.  Mainly cobbles and boudlers except near tidewater.  Includes some glacial outwash.",null,null,"SV004",500,"Seldovia","Unconsolidated",105,null,null,1050]
["Qa","Alluvium","Holocene","In active streambeds and lowest terraces along larger streams and active alluvial fans.  Chiefly well sorted gravel and sand; minor silt and boulders",null,null,"CV004",703,"Cordova","Unconsolidated",105,null,null,1050]
["Qft","Floodplains and alluvial fans","Quaternary, Pleistocene","Flood plains and associated higher terraces along major streams and abandoned drainage lines",null,null,"KN013",413,"Kenai","Unconsolidated",105,null,null,1050]
["Qft","Floodplains and alluvial fans","Quaternary, Pleistocene","Flood plains and associated higher terraces along major streams and abandoned drainage lines",null,null,"SV007",413,"Seldovia","Unconsolidated",105,null,null,1050]
["Qaf","Floodplains and alluvial fans","Quaternary, Pleistocene","Alluvial fans and alluvial fan complexes.  Northern polygons in Kenai quadrangle recoded as alluvium.",null,null,"KN013",4140,"Kenai","Unconsolidated",105,null,null,1050]
["Qaf","Alluvial deposits -- Alluvial fans","Quaternary","Deposits of large flat alluvial fans, inferred to be moderately sorted sand and gravel",null,null,"KN006",608,"Kenai","Unconsolidated",106,null,null,1060]
["Qcf","Alluvial deposits -- Small alluvial-colluvial fans","Quaternary","Dposits of small, steep alluvial-colluvial fans, inferred to be non-sorted silt, sand, and gravel",null,null,"KN006",609,"Kenai","Unconsolidated",106,null,null,1060]
["Qf","Alluvial deposits, Alluvial fans and cones","Quaternary, Recent","Alluvial fans and cones, unsorted rock talus, in part colluvial in origin.",null,null,"KN005",501,"Kenai","Unconsolidated",106,null,null,1060]
["Qfs","Alluvial deposits, Partially submerged alluvial fans and cones","Quaternary, Recent","Partially submerged alluvial fans consisting of sand and gravel; exposed at low tide",null,null,"KN005",502,"Kenai","Unconsolidated",106,null,null,1063]
["Qcf?","Alluvial deposits -- Small alluvial-colluvial fans","Quaternary","Dposits of small, steep alluvial-colluvial fans, inferred to be non-sorted silt, sand, and gravel",null,null,"KN006",630,"Kenai","Unconsolidated",106,null,null,1060]
["Qf","Fan deposits","Quaternary","Alluvial fan deposits of Cresecent River",null,null,"KN007",702,"Kenai","Unconsolidated",106,null,null,1060]
["Qaf","Alluvial fan deposits","Quaternary","Gravel, silt, and sand, commonly occur at mouth of small side canyons.  Includes some colluvial deposits.",null,null,"KN008",806,"Kenai","Unconsolidated",106,null,null,1060]
["Qf","Alluvial deposits, Alluvial fans and cones","Quaternary, Recent","Alluvial fans and cones, unsorted rock talus, in part colluvial in origin.",null,null,"SV004",501,"Seldovia","Unconsolidated",106,null,null,1060]
["Qaf","Floodplains and alluvial fans, Alluvial fans and alluvial fan complexes","Quaternary, Pleistocene","Alluvial fans and alluvial fan complexes",null,null,"KN013",414,"Kenai","Unconsolidated",106,null,null,1060]
["Qaf","Floodplains and alluvial fans, Alluvial fans and alluvial fan complexes","Quaternary, Pleistocene","Alluvial fans and alluvial fan complexes",null,null,"SV007",414,"Seldovia","Unconsolidated",106,null,null,1060]
["Qct","Deposits of Mass Wasting -- talus","Quaternary","Cone-shaped deposits of talus beneath steep bedrock slopes",null,null,"KN006",610,"Kenai","Unconsolidated",107,null,null,1071]
["Qpr","Deposits of Mass Wasting -- protalus ramparts","Quaternary","Deposits of protalus ramparts",null,null,"KN006",613,"Kenai","Unconsolidated",107,null,null,1071]
["Qlc","Landslide and colluvial deposits","Quaternary","Unsorted deposits of fine to coarse rubble",null,null,"KN005",510,"Kenai","Unconsolidated",107,null,null,1070]
["Qt","Talus","Quaternary, Holocene","Talus-- Boulder- to pebble-sized, angular rock debris.",null,null,"CV003",140,"Cordova","Unconsolidated",107,null,null,1071]
["tan","Talus","Quaternary, Holocene","Talus",null,null,"CV005",503,"Cordova","Unconsolidated",107,null,null,1071]
["tan","Talus","Quaternary, Holocene","Talus",null,null,"CV006",503,"Cordova","Unconsolidated",107,null,null,1071]
["Qc","Colluvial deposits","Quaternary, Holocene","Chiefly rubble, gravel, sand, silt, and clay.  Talus and other slope debris deposits, also includes alluvium of minor streams, and locally glacial, rock glacier, and mass-wasting deposits.  May include older glacial drift and locally grades into glacial",null,null,"KN008",807,"Kenai","Unconsolidated",107,null,null,1070]
["Qlc","Landslide and colluvial deposits","Quaternary","Unsorted deposits of fine to coarse rubble",null,null,"SV004",510,"Seldovia","Unconsolidated",107,null,null,1070]
["Qu","Slope deposits, undifferentiated","Quaternary, Holocene and Pleistocene","Colluvium consisting of talus and small landslides, also includes small glacial, rock glacier, and alluvial deposits.  Sand, gravel, boulders, diamicton, and rubble",null,null,"CV004",701,"Cordova","Unconsolidated",107,null,null,1070]
["Qls","Deposits of Mass Wasting -- landslide deposits","Quaternary","Deposits of landslides, including falls, slumps, slides, and failures by lateral spreading.  Assigned NSA = 312 in vicinity of Polly Creek where this unit consists of debris flows from Mount Redoubt.",null,null,"KN006",611,"Kenai","Unconsolidated",108,null,null,1080]
["Qcm","Deposits of Mass Wasting -- mudflow and debris-flow deposits","Quaternary","Mudflow and debris flow deposits, may include some volcanic mudflow (lahar) deposits",null,null,"KN006",612,"Kenai","Unconsolidated",108,null,null,1081]
["Qls?","Deposits of Mass Wasting -- landslide deposits","Quaternary","Deposits of landslides, including falls, slumps, slides, and failures by lateral spreading",null,null,"KN006",626,"Kenai","Unconsolidated",108,null,null,1080]
["Qcm?","Deposits of Mass Wasting -- mudflow and debris-flow deposits","Quaternary","Mudflow and debris flow deposits, may include some volcanic mudflow (lahar) deposits",null,null,"KN006",631,"Kenai","Unconsolidated",108,null,null,1081]
["Qls","Landslides","Quaternary, Holocene","Landslides-- Unsorted, angular rock debris derived by failure of bedrock slopes.",null,null,"CV003",145,"Cordova","Unconsolidated",108,null,null,1080]
["Qls","Landslide deposits","Quaternary","Chiefly rubble, gravel, sand, silt, and clay.  Most extensive in Jurassic sedimentary rock northeast of Mount Iliamna",null,null,"KN008",808,"Kenai","Unconsolidated",108,null,null,1080]
["Qra","Rock avalanche deposits","Quaternary, Holocene","Rock avalanche deposits",null,null,"SV005",1508,"Seldovia","Unconsolidated",108,null,null,1080]
["Ql","Landslide deposits","Quaternary, Holocene and Pleistocene","Slumps, earth-debris flows, block glides, and debris avalanches.  Diamicton and rubble",null,null,"CV004",713,"Cordova","Unconsolidated",108,null,null,1080]
["Qls","Landslide","Quaternary","Landslide debris near Bluff Point",null,null,"KN014",142,"Kenai","Unconsolidated",108,null,null,1080]
["Qao","Older alluvium","Quaternary","Older alluvial deposits found in larger stream valleys at levels higher than modern alluvium.  Grades into terrace deposits",null,null,"KN008",809,"Kenai","Unconsolidated",109,null,null,1090]
["Qao","Older alluvium","Quaternary, Holocene and Pleistocene","In higher terraces along larger streams and in inactive alluvial fans.  Predominantly of Pleistocene age, but may include localized Holocene deposits.  Chiefly well sorted gravel and sand; minor silt and boulders",null,null,"CV004",705,"Cordova","Unconsolidated",109,null,null,1090]
["Qtg","Terrace deposits","Quaternary","Terrace gravels in outwash above modern floodplains.  Air photo interpretation",null,null,"KN008",810,"Kenai","Unconsolidated",110,null,null,1100]
["Symbol","Abandoned or underfit stream channel","Quaternary?","Abandoned or underfit stream channel, inferred to be relict glacial meltwater channel.  Shown by symbol on map",null,null,"KN006",623,"Kenai","Unconsolidated",111,null,null,1110]
["Qac","Abandoned channel deposits","Quaternary","Abandoned channel deposits in outwash above modern floodplains.  Air photo interpretation",null,null,"KN008",811,"Kenai","Unconsolidated",111,null,null,1110]
["lt green","Recent Lacustrine deposits","Quaternary, Holocene","Lacustrine deposits",null,null,"CV005",501,"Cordova","Unconsolidated",112,null,null,1120]
["lt green","Recent Lacustrine deposits","Quaternary, Holocene","Lacustrine deposits",null,null,"CV006",501,"Cordova","Unconsolidated",112,null,null,1120]
["Qfl","Fine-grained deposits","Quaternary, Holocene","In ponds, swamps, lagoons, and along low-gradient streams.  Chiefly silt, clay, fine sand, peat, and other organic material",null,null,"CV004",707,"Cordova","Unconsolidated",112,null,null,1120]
["Qm","Other unconsolidated deposits -- swamp and muskeg","Quaternary","Swamp and muskeg deposits, mainly organic material, but may include clay, silt, or sand",null,null,"KN006",614,"Kenai","Unconsolidated",113,null,null,1130]
["Qsw","Swamp deposits","Quaternary","Silt, sandy silt, and bog deposits, interpreted from air photos",null,null,"KN008",813,"Kenai","Unconsolidated",113,null,null,1130]
["Qlv","Natural levee deposits","Quaternary","Natural levee deposits on deltaic or fan delta deposits.",null,null,"KN008",814,"Kenai","Unconsolidated",114,null,null,1140]
["Qb","Beach deposits","Quaternary, Holocene","Sand, gravel, and cobbles of present and former beaches, beach ridges, spits, and tidal flats",null,null,"BS004",1,"Blying Sound","Unconsolidated",115,null,null,1150]
["Qb","Beach deposits","Quaternary, Holocene","Sand, gravel, and cobbles of present and former beaches, beach ridges, spits, and tidal flats",null,null,"SR004",1,"Seward","Unconsolidated",115,null,null,1150]
["Qbv","Other unconsolidated deposits -- vegetated beach deposits","Quaternary, Holocene","Vegetated beach deposits consisting mainly of mixed sand and gravel",null,null,"KN006",616,"Kenai","Unconsolidated",115,null,null,1151]
["Qbn","Other unconsolidated deposits -- nonvegetated beach deposits","Quaternary, Holocene","Nonvegetated beach deposits consisting mainly of mixed sand and gravel",null,null,"KN006",617,"Kenai","Unconsolidated",115,null,null,1150]
["Qbe","Beach deposits, Elevated beach ridges","Quaternary, Recent","Elevated beach ridges, well-sorted well-stratified, well-drained sand and gravel",null,null,"KN005",503,"Kenai","Unconsolidated",115,null,null,1151]
["Qbv?","Other unconsolidated deposits -- vegetated beach deposits","Quaternary, Holocene","Vegetated beach deposits consisting mainly of mixed sand and gravel",null,null,"KN006",629,"Kenai","Unconsolidated",115,null,null,1151]
["Qb","Beaches, spits, and offshore bars","Quaternary, Holocene","Beaches, spits, and offshore bars -- Constructional shoreline deposits of well-sorted gravel and sand.",null,null,"CV003",115,"Cordova","Unconsolidated",115,null,null,1150]
["Qbe","Beach deposits, Elevated beach ridges","Quaternary, Recent","Elevated beach ridges, well-sorted well-stratified, well-drained sand and gravel",null,null,"SV004",503,"Seldovia","Unconsolidated",115,null,null,1150]
["Qb","Beach deposits","Quaternary, Holocene and Pleistocene","Moderately well-stratified and sorted sand and gravel on beaches",null,null,"KN008",815,"Kenai","Unconsolidated",115,null,null,1150]
["Qb","Beach and delta deposits","Quaternary, Holocene","Wave-deposited, coarse-grained material and driftwood along seacoast; fine-grained sediment in mud flats of Copper River Delta; and marine uplift terraces.  Successive spit-building episodes of progressive gradation are preserved in beach sequences along",null,null,"CV004",703,"Cordova","Unconsolidated",115,null,null,1150]
["Qb","Beach and delta deposits","Quaternary, Holocene","Wave-deposited, coarse-grained material and driftwood along seacoast; fine-grained sediment in mud flats of Copper River Delta; and marine uplift terraces.  Successive spit-building episodes of progressive gradation are preserved in beach sequences along",null,null,"CV004",709,"Cordova","Unconsolidated",115,null,null,1150]
["Qifv","Other unconsolidated deposits -- vegetated tidal marsh deposits","Quaternary, Holocene","Vegetated tidal marsh deposits, consist of organic material mixed with sand and gravel",null,null,"KN006",618,"Kenai","Unconsolidated",116,null,null,1160]
["Qifn","Other unconsolidated deposits -- nonvegetated tidal marsh deposits","Quaternary, Holocene","Nonvegetated tidal marsh deposits, consist of organic material mixed with sand and gravel",null,null,"KN006",619,"Kenai","Unconsolidated",116,null,null,1160]
["Qida","Other unconsolidated deposits -- delta deposits","Quaternary, Holocene","Delta deposits, representing the intertidal parts of fans and contain coarser material than adjacent tidal flats",null,null,"KN006",620,"Kenai","Unconsolidated",116,null,null,1160]
["Qbm","Beach deposits, Salt marsh","Quaternary, Recent","Salt- marsh, well-stratified silt and small pebbles, poorly drained",null,null,"KN005",504,"Kenai","Unconsolidated",116,null,null,1160]
["Ql","Lagoonal deposits","Quaternary, Holocene","Lagoonal deposits--Fine-grained silt rich in organic material, mud, and peat.",null,null,"CV003",120,"Cordova","Unconsolidated",116,null,null,1160]
["Qes","Estuarine deposits","Quaternary","Well-sorted, stratified silt and some sand deposited in shallow embayments, supra-tidal, hence probably uplifted",null,null,"KN008",816,"Kenai","Unconsolidated",116,null,null,1160]
["Qbm","Beach deposits, Salt marsh","Quaternary, Recent","Salt- marsh, well-stratified silt and small pebbles, poorly drained",null,null,"SV004",504,"Seldovia","Unconsolidated",116,null,null,1160]
["Qts","Elevated tidal silt and beach deposits","Quaternary, Pleistocene","Elevated tidal silt and beach deposits.  Record high sea level stand about 10 - 15 feet above present datum during late Tanya time",null,null,"KN013",415,"Kenai","Unconsolidated",116,null,null,1160]
["Qts","Elevated tidal silt and beach deposits","Quaternary, Pleistocene","Elevated tidal silt and beach deposits.  Record high sea level stand about 10 - 15 feet above present datum during late Tanya time",null,null,"SV007",415,"Seldovia","Unconsolidated",116,null,null,1160]
["Qtm","Marine terrace deposits","Quaternary, Pleistocene and Holocene","Marine terrace deposits",null,null,"KN008",817,"Kenai","Unconsolidated",117,null,null,1170]
["Qad","Cliff-head dune sand","Quaternary, Holocene","Cliff-head dune sand.  Near Point Possession; of \"Alaskan\" age",null,null,"KN013",402,"Kenai","Unconsolidated",119,null,null,1190]
["Qd","Dunes","Quaternary, Holocene","Dunes-- Well sorted, fine grained sand and silt aligned in longitudinal ridges.",null,null,"CV003",125,"Cordova","Unconsolidated",120,null,null,1200]
["Qe","Eolian deposits","Quaternary, Holocene","Dunes on tops of river bluffs, windblown flats, and river bars.  Includes informally named Bremner sand dunes, a large barchan field, located at confluence of Bremner and Copper Rivers.  Fine-grained sand",null,null,"CV004",715,"Cordova","Unconsolidated",120,null,null,1200]
["Qld","Hanging delta deposits of Naptowne age","Quaternary, Pleistocene","Hanging deltaic complexes associated with one or more strandline levels and deposited at mouth of streams draining into proglacial lakes of Naptowne age",null,null,"KN013",410,"Kenai","Unconsolidated",123,null,null,1230]
["Qds","Glacial deposits -- Proglacial stratified drift","Quaternary","Includes stratified and locally foreset-bedded sand and gravel that occur below 125 m elevation on West Foreland and from Katchin Creek to Redoubt Point; these deposits are probable emerged delta and glaciolacustrine deposits.  Also includes active outwa",null,null,"KN006",603,"Kenai","Unconsolidated",124,null,null,1240]
["Qds?","Glacial deposits -- Proglacial stratified drift","Quaternary","Includes stratified and locally foreset-bedded sand and gravel that occur below 125 m elevation on West Foreland and from Katchin Creek to Redoubt Point; these deposits are probable emerged delta and glaciolacustrine deposits.  Also includes active outwa",null,null,"KN006",632,"Kenai","Unconsolidated",124,null,null,1240]
["Qglf","Glaciolacustrine deposits","Quaternary","Ephemeral glacial lake deposits.  Well-sorted, well-stratified clay, silt, and fine sand deposited in ephemeral glacial and postglacial lakes.  Thought to be typically covered by several feet of muck and peat",null,null,"KN008",824,"Kenai","Unconsolidated",124,null,null,1240]
["Qlb","Proglacial lake bottom sediments of Naptowne age","Quaternary, Pleistocene","Proglacial lake bottom sediments underlying terraced and channeled surfaces between major morainal belts in lowland and mountain valleys",null,null,"KN013",409,"Kenai","Unconsolidated",124,null,null,1240]
["Qlb","Proglacial lake bottom sediments of Naptowne age","Quaternary, Pleistocene","Proglacial lake bottom sediments underlying terraced and channeled surfaces between major morainal belts in lowland and mountain valleys",null,null,"SV007",409,"Seldovia","Unconsolidated",124,null,null,1240]
["Qm","Moraine","Quaternary","Morainal deposits",null,null,"KN003",125,"Kenai","Unconsolidated",125,null,null,1250]
["Qd","Glacial deposits -- Undifferentiated glacial drift","Quaternary","Inferred to consist of lodgement till, ablation till, and stratified drift.  Thickness ranges widely.",null,null,"KN006",600,"Kenai","Unconsolidated",125,null,null,1250]
["Qdt","Glacial deposits -- Lateral or terminal moraines","Quaternary","Till deposits in the form of lateral or terminal moraines",null,null,"KN006",601,"Kenai","Unconsolidated",125,null,null,1250]
["Qdi","Glacial deposits -- Stratified drift","Quaternary","Stratified drift in ice-contact deposits (kame terraces or deltas).  Identified by high local relief and steeply sloping margins.",null,null,"KN006",602,"Kenai","Unconsolidated",125,null,null,1250]
["Qd?","Glacial deposits -- Undifferentiated glacial drift","Quaternary","Inferred to consist of lodgement till, ablation till, and stratified drift.  Thickness ranges widely.",null,null,"KN006",625,"Kenai","Unconsolidated",125,null,null,1250]
["Qdt?","Glacial deposits -- Lateral or terminal moraines","Quaternary","Till deposits in the form of lateral or terminal moraines",null,null,"KN006",624,"Kenai","Unconsolidated",125,null,null,1250]
["Qdi?","Glacial deposits -- Stratified drift","Quaternary","Stratified drift in ice-contact deposits (kame terraces or deltas).  Identified by high local relief and steeply sloping margins.",null,null,"KN006",627,"Kenai","Unconsolidated",125,null,null,1250]
["lime","Older glacial deposits","Quaternary, Holocene and Pleistocene","Glacial deposits",null,null,"CV006",511,"Cordova","Unconsolidated",125,null,null,1250]
["Qd","Glacial deposits -- Undifferentiated glacial drift","Quaternary","Undifferentiated glacial drift",null,null,"KN008",825,"Kenai","Unconsolidated",125,null,null,1250]
["Qmi","Moraine on ice","Quaternary","Superglacial and endglacial till on present glaciers",null,null,"KN005",508,"Kenai","Unconsolidated",126,null,null,1260]
["Qsm","Supraglacial moraine","Quaternary, Holocene","Supraglacial moraine-- Unweathered, poorly sorted, debris on surfaces of glaciers.",null,null,"CV003",130,"Cordova","Unconsolidated",126,null,null,1260]
["Qsg","Superglacial drift","Quaternary","Consists of unsorted boulder to fine-grained debris on the surface of modern glaciers.  In the vicinity of Mount Redoubt and Mount Iliamna, may include a significant component of ash and other air-fall debris from eruptions",null,null,"KN008",826,"Kenai","Unconsolidated",126,null,null,1260]
["Qmi","Moraine on ice","Quaternary","Superglacial and endglacial till on present glaciers",null,null,"SV004",508,"Seldovia","Unconsolidated",126,null,null,1260]
["Qrg","Moraine","Quaternary","Rock glacier deposits",null,null,"KN003",127,"Kenai","Unconsolidated",127,null,null,1270]
["Qrg","Rock glaciers","Quaternary, Holocene","Active and recently active rock glaciers.  Chiefly rubble and coarse rock debris, interpreted from air photos",null,null,"KN008",827,"Kenai","Unconsolidated",127,null,null,1270]
["Qsf","Solifluction deposits","Quaternary","Solifluction mantle, interpreted from airphotos.  Thought to be poorly sorted sand, silt, and clay derived from local upslope bedrock sources.",null,null,"KN008",828,"Kenai","Unconsolidated",128,null,null,1280]
["Qgtn","Glacial deposits, Tunnel Stade Alaskan Glaciation","Quaternary","Barren moraine as much as 1-mile in front of present glaciers.  Tunnel Stade, Alaskan Glaciation",null,null,"KN005",505,"Kenai","Unconsolidated",130,null,null,1301]
["Qgt","Glacial deposits, Tustumena Stade Alaskan Glaciation","Quaternary","Partially dissected moraine 1-6-mile in front of present glaciers; spruce and brush covered.  Tustumena Stade, Alaskan Glaciation",null,null,"KN005",506,"Kenai","Unconsolidated",130,null,null,1302]
["Qm","Terminal, lateral, and ground moraine","Quaternary, Holocene","Terminal, lateral and ground moraine-- Unsorted boulders, cobbles, gravel and sand deposited during retreat of glaciers.",null,null,"CV003",135,"Cordova","Unconsolidated",130,null,null,1300]
["tan","Glacial deposits, undivided","Quaternary, Holocene","Glacial deposits",null,null,"CV005",504,"Cordova","Unconsolidated",130,null,null,1300]
["tan","Younger glacial deposits, undivided","Quaternary, Holocene","glacial deposits",null,null,"CV006",510,"Cordova","Unconsolidated",130,null,null,1300]
["Qag","Alaskan glaciation, till, Cirque glaciations","Quaternary, Holocene?","Unsorted boulder to clay-size  particles.  Morainal landforms common as are till deposits along the margins of modern glaciers.",null,null,"KN008",830,"Kenai","Unconsolidated",130,null,null,1301]
["Qgtn","Glacial deposits, Tunnel Stade Alaskan Glaciation","Quaternary","Barren moraine as much as 1-mile in front of present glaciers.  Tunnel Stade, Alaskan Glaciation",null,null,"SV004",505,"Seldovia","Unconsolidated",130,null,null,1301]
["Qmh","Glacial deposits","Quaternary, Holocene","Glacial deposits of Holocene age, primarily ice-stagnation drift, outwash, and end moraine",null,null,"KN011",1130,"Kenai","Unconsolidated",130,null,null,1300]
["Qmh","Glacial deposits","Quaternary, Holocene","Glacial deposits of holocene age, primarily ice-stagnation drift, outwash, and end moraine",null,null,"SV005",1530,"Seldovia","Unconsolidated",130,null,null,1300]
["Qag","Drift of Alaskan glaciation","Quaternary, Holocene","Neoglacial deposits of end, lateral, and ground moraines, kames and outwash proximal to present glaciers; includes small rock glaciers.  Diamicton, local gravel, and sand",null,null,"CV004",711,"Cordova","Unconsolidated",130,null,null,1300]
["Qgt","Glacial deposits, Tustumena Stade Alaskan Glaciation","Quaternary","Partially dissected moraine 1-6-mile in front of present glaciers; spruce and brush covered.  Tustumena Stade, Alaskan Glaciation",null,null,"SV004",506,"Seldovia","Unconsolidated",130,null,null,1302]
["Qa","Moraines of Alaska Glaciation","Quaternary, Holocene","Unmodified moraine deposits or mantled by loess, generally 2 to 6 feet thick",null,null,"KN013",400,"Kenai","Unconsolidated",130,null,null,1300]
["Qds","Glacial deposits -- Proglacial stratified drift (active outwash part)","Quaternary","Includes stratified and locally foreset-bedded sand and gravel that occur below 125 m elevation on West Foreland and from Katchin Creek to Redoubt Point; these deposits are probable emerged delta and glaciolacustrine deposits.  Also includes active outwa",null,null,"KN006",604,"Kenai","Unconsolidated",131,null,null,1310]
["Qdf","Glacial deposits -- Outwash fans","Quaternary","Moderately to heavily vegetated parts of outwash fans",null,null,"KN006",605,"Kenai","Unconsolidated",131,null,null,1310]
["Qo","Outwash deposits","Quaternary","Poorly- to well-sorted silt, sand, and gravel in terraces and outwash fans plains",null,null,"KN005",509,"Kenai","Unconsolidated",131,null,null,1310]
["Qds?","Glacial deposits -- Proglacial stratified drift","Quaternary","Includes stratified and locally foreset-bedded sand and gravel that occur below 125 m elevation on West Foreland and from Katchin Creek to Redoubt Point; these deposits are probable emerged delta and glaciolacustrine deposits.  Also includes active outwa",null,null,"KN006",628,"Kenai","Unconsolidated",131,null,null,1310]
["Qao","Alaskan Glaciation, outwash","Quaternary, Holocene","Outwash deposits associated with modern and Holocene glaciers",null,null,"KN008",831,"Kenai","Unconsolidated",131,null,null,1310]
["Qo","Outwash deposits","Quaternary","Poorly- to well-sorted silt, sand, and gravel in terraces and outwash fans plains",null,null,"SV004",509,"Seldovia","Unconsolidated",131,null,null,1310]
["Qao","Outwash and valley train deposits","Quaternary, Holocene","Graded to moraines of Alaskan age and to existing glacier fronts",null,null,"KN013",412,"Kenai","Unconsolidated",131,null,null,1310]
["Qao","Outwash and valley train deposits","Quaternary, Holocene","Graded to moraines of Alaskan age and to existing glacier fronts",null,null,"SV007",412,"Seldovia","Unconsolidated",131,null,null,1310]
["Qgn","Glacial deposits, Naptowne Glaciation","Quaternary","Moderately weathered moraine along shoreline; heavily spruce and brush covered; Naptowne Glaciation",null,null,"KN005",507,"Kenai","Unconsolidated",135,null,null,1353]
["Qbl","Glacial deposits of the Naptowne glaciation","Quaternary","Loop, recessional, lateral, and medial moraine and other deposits of the Brooks Lake glaciation",null,null,"KN008",835,"Kenai","Unconsolidated",135,null,null,1353]
["Qgn","Glacial deposits, Naptowne Glaciation","Quaternary","Moderately weathered moraine along shoreline; heavily spruce and brush covered; Naptowne Glaciation",null,null,"SV004",507,"Seldovia","Unconsolidated",135,null,null,1353]
["Qbl","Glacial deposits of the Naptowne glaciation - ground moraine?","Quaternary","Probably ground moraine deposits of the Brooks Lake glaciation",null,null,"KN008",8351,"Kenai","Unconsolidated",135,null,null,1353]
["Qn","Moraines of Naptowne Glaciation","Quaternary, Pleistocene","Prominent and little modified morainal deposits, mantled by 2 to 6 feet of loess",null,null,"KN013",403,"Kenai","Unconsolidated",135,null,null,1353]
["Qw4","Brooks Lake drift, Iliuk Stade","Quaternary, Pleistocene","Brooks Lake drift, Iliuk Stade",null,null,"KN008",836,"Kenai","Unconsolidated",136,null,null,1360]
["Qnt","Moraines of Naptowne Glaciation, Tanya advance","Quaternary, Pleistocene","Prominent and little modified morainal deposits, mantled by 2 to 6 feet of loess",null,null,"KN013",404,"Kenai","Unconsolidated",136,null,null,1363]
["Qnt","Moraines of Naptowne Glaciation, Tanya advance","Quaternary, Pleistocene","Prominent and little modified morainal deposits, mantled by 2 to 6 feet of loess",null,null,"SV007",404,"Seldovia","Unconsolidated",136,null,null,1363]
["Qbln","Brooks Lake, Newhalen moraine","Quaternary, Pleistocene","End moraine of the Newhalen advance of the Brooks Lake glaciation",null,null,"KN008",837,"Kenai","Unconsolidated",137,null,null,1370]
["Qns","Moraines of Naptowne Glaciation, Skilak advance","Quaternary, Pleistocene","Prominent and little modified morainal deposits, mantled by 2 to 6 feet of loess",null,null,"KN013",405,"Kenai","Unconsolidated",137,null,null,1373]
["Qns","Moraines of Naptowne Glaciation, Skilak advance","Quaternary, Pleistocene","Prominent and little modified morainal deposits, mantled by 2 to 6 feet of loess",null,null,"SV007",405,"Seldovia","Unconsolidated",137,null,null,1373]
["Qblil","Brooks Lake, Iliamna moraine","Quaternary, Pleistocene","End moraine of the Iliamna advance of the Brooks Lake glaciation",null,null,"KN008",838,"Kenai","Unconsolidated",138,null,null,1380]
["Qnk","Moraines of Naptowne Glaciation, Killey advance","Quaternary, Pleistocene","Prominent and little modified morainal deposits, mantled by 2 to 6 feet of loess",null,null,"KN013",406,"Kenai","Unconsolidated",138,null,null,1384]
["Qntm","Moraines of Naptowne Glaciation, terraced moraines","Quaternary, Pleistocene","Discontinuously mantled below about the 500-ft strandline level with proglacial lake sediments of post Moosehorn, pre-Skilak age.  Mantled by various thicknesses of glaciolacustrine deposits",null,null,"KN013",408,"Kenai","Unconsolidated",138,null,null,1384]
["Qnk","Moraines of Naptowne Glaciation, Killey advance","Quaternary, Pleistocene","Prominent and little modified morainal deposits, mantled by 2 to 6 feet of loess",null,null,"SV007",406,"Seldovia","Unconsolidated",138,null,null,1384]
["Qntm","Moraines of Naptowne Glaciation, terraced moraines","Quaternary, Pleistocene","Discontinuously mantled below about the 500-ft strandline level with proglacial lake sediments of post Moosehorn, pre-Skilak age.  Mantled by various thicknesses of glaciolacustrine deposits",null,null,"SV007",408,"Seldovia","Unconsolidated",138,null,null,1384]
["Qnm","Moraines of Naptowne Glaciation, Moosehorn advance","Quaternary, Pleistocene","Prominent and little modified morainal deposits, mantled by 2 to 6 feet of loess",null,null,"KN013",407,"Kenai","Unconsolidated",139,null,null,1393]
["Qnm","Moraines of Naptowne Glaciation, Moosehorn advance","Quaternary, Pleistocene","Prominent and little modified morainal deposits, mantled by 2 to 6 feet of loess",null,null,"SV007",407,"Seldovia","Unconsolidated",139,null,null,1393]
["Qblo","Outwash, Brooks Lake glaciation, undivided","Quaternary, Pleistocene","Outwash, Brooks Lake glaciation, undivided",null,null,"KN008",840,"Kenai","Unconsolidated",140,null,null,1400]
["Qno","Outwash and valley train deposits","Quaternary, Pleistocene","Graded to moraines of Naptowne age",null,null,"KN013",411,"Kenai","Unconsolidated",140,null,null,1400]
["Qno","Outwash and valley train deposits","Quaternary, Pleistocene","Graded to moraines of Naptowne age",null,null,"SV007",411,"Seldovia","Unconsolidated",140,null,null,1400]
["Qdl","Deltaic deposits","Quaternary","Deltaic deposits, including outwash and alluvial deposits.",null,null,"KN008",870,"Kenai","Unconsolidated",170,null,null,1700]
["Qdc","Glacial deposits -- Pebble- and boulder-bearing diamicton","Quaternary","Pebble- and boulder-bearing diamicton.  Observed at one upland location at West Foreland and in sea cliffs along West Foreland and from Katchin Creek south to near Redoubt Point.",null,null,"KN006",606,"Kenai","Unconsolidated",190,null,null,1900]
["Qdc?","Glacial deposits -- Pebble- and boulder-bearing diamicton","Quaternary","Pebble- and boulder-bearing diamicton.  Observed at one upland location at West Foreland and in sea cliffs along West Foreland and from Katchin Creek south to near Redoubt Point.",null,null,"KN006",633,"Kenai","Unconsolidated",190,null,null,1900]
["Qk","Moraines of Knik Glaciation","Quaternary, Pleistocene","Moraines of Knik Glaciation.  Prominent but modified",null,null,"KN013",416,"Kenai","Unconsolidated",190,null,null,1903]
["Qe","Moraines of Eklutna Glaciation","Quaternary, Pleistocene","Moraines of Eklutna Glaciation.  Subdued and moderately modified",null,null,"KN013",419,"Kenai","Unconsolidated",190,null,null,1903]
["Qk","Moraines of Knik Glaciation","Quaternary, Pleistocene","Moraines of Knik Glaciation.  Prominent but modified",null,null,"SV007",416,"Seldovia","Unconsolidated",190,null,null,1903]
["Qe","Moraines of Eklutna Glaciation","Quaternary, Pleistocene","Moraines of Eklutna Glaciation.  Subdued and moderately modified",null,null,"SV007",419,"Seldovia","Unconsolidated",190,null,null,1903]
["Qk","Moraines of Knik Glaciation","Quaternary, Pleistocene","Moraines of Knik Glaciation.  Prominent but modified",null,null,"SV007",416,"Seldovia","Unconsolidated",190,null,null,1903]
["Qkt","Terraced moraines of Knik age","Quaternary, Pleistocene","Terraced moraines of Knik age.  Discontinuously manlted below the about 750 foot strandline level",null,null,"KN013",417,"Kenai","Unconsolidated",194,null,null,1943]
["Qet","Terraced moraines of Eklutna age","Quaternary, Pleistocene","Terraced moraines of Eklutna age.  Discontinuously manlted below the about 1,000 foot strandline level with proglacial lake sediments of Knik and Naptowne age",null,null,"KN013",420,"Kenai","Unconsolidated",194,null,null,1943]
["Qkt","Terraced moraines of Knik age","Quaternary, Pleistocene","Terraced moraines of Knik age.  Discontinuously manlted below the about 750 foot strandline level",null,null,"SV007",417,"Seldovia","Unconsolidated",194,null,null,1943]
["Qet","Terraced moraines of Eklutna age","Quaternary, Pleistocene","Terraced moraines of Eklutna age.  Discontinuously manlted below the about 1,000 foot strandline level with proglacial lake sediments of Knik and Naptowne age",null,null,"SV007",420,"Seldovia","Unconsolidated",194,null,null,1943]
["Qko","Outwash and valley train deposits","Quaternary, Pleistocene","Outwash and valley train deposits.  Graded to moraines of Knik age",null,null,"KN013",418,"Kenai","Unconsolidated",195,null,null,1953]
["Qeo","Outwash and valley train deposits","Quaternary, Pleistocene","Outwash and valley train deposits.  Graded to moraines of Eklutna age",null,null,"KN013",421,"Kenai","Unconsolidated",195,null,null,1953]
["Qko","Outwash and valley train deposits","Quaternary, Pleistocene","Outwash and valley train deposits.  Graded to moraines of Knik age",null,null,"SV007",418,"Seldovia","Unconsolidated",195,null,null,1953]
["Qeo","Outwash and valley train deposits","Quaternary, Pleistocene","Outwash and valley train deposits.  Graded to moraines of Eklutna age",null,null,"SV007",421,"Seldovia","Unconsolidated",195,null,null,1953]
["Qc","Moraines of Caribou Hills Glaciation","Quaternary, Pleistocene","Moraines of Caribou Hills Glaciation.  Greatly modified",null,null,"KN013",422,"Kenai","Unconsolidated",200,null,null,2000]
["Qc","Moraines of Caribou Hills Glaciation","Quaternary, Pleistocene","Moraines of Caribou Hills Glaciation.  Greatly modified",null,null,"SV007",422,"Seldovia","Unconsolidated",200,null,null,2000]
["Qct","Terraced moraines of Caribou Hills age","Quaternary, Pleistocene","Terraced moraines of Caribou Hills age.  Discontinuously mantled below the about 1,000 foot strandline level with proglacial lake sediments of Eklutna?, Knik, and Naptowne age",null,null,"KN013",423,"Kenai","Unconsolidated",201,null,null,2010]
["Qsb","Scoured bedrock","Quaternary","Glacially scoured bedrock; may be covered with thin glacially derived deposits; air-photo interpretation.",null,null,"KN008",834,"Kenai","Unconsolidated",275,null,null,2750]
["Qf","Other unconsolidated deposits -- artificial fill","Quaternary, Holocene","Artificial fill at Drift River and West Foreland facilities",null,null,"KN006",615,"Kenai","Unconsolidated",295,null,null,2950]
["Qv","Volcanic rocks, undivided","Quaternary","Lava flows and associated pyroclastic rocks associated with Iliamna Volcano",null,null,"SV002",105,"Seldovia","Igneous",300,null,null,300]
["Qv","Volcanic rocks","Quaternary (with mixed Tertiary?)","Lava, breccia, and associated pyroclastics.  May include Tertiary volcanic rocks",null,null,"KN002",300,"Kenai","Igneous",300,null,null,3000]
["Qv","Volcanic rocks of Redoubt Volcano","Quaternary","Volcanic rocks of Redoubt Volcano",null,null,"KN007",704,"Kenai","Igneous",300,null,null,3000]
["Qv","Volcanic rocks, undivided","Quaternary","Consists of volcanic rocks and deposits associated with Iliamna, Redoubt, and Double Glacier volcanoes.  Typically restricted to immediate vicinity of these volcanic centers, however locally, debris flows and air-fall material may be somewhat distal.  Lo",null,null,"KN008",850,"Kenai","Igneous",300,null,null,3000]
["Qv","Quaternary volcanic rocks","Quaternary","Volcanic rocks of Iliamna and Redoubt volcanoes",null,null,"KN012",1202,"Kenai","Igneous",300,null,null,3000]
["Qil","Iliamna Lava flows","Quaternary","Light-gray hypersthene-augite andesitic lava, breccia, and associated pyroclastic debris",null,null,"KN005",511,"Kenai","Igneous",305,null,null,3050]
["Hv","Holocene volcanic rocks","Quaternary, Holocene","Holocene volcanic rocks, primarily associated with Redoubt Volcano",null,null,"KN008",855,"Kenai","Igneous",305,null,null,3050]
["Qil","Iliamna Lava flows","Quaternary","Light-gray hypersthene-augite andesitic lava, breccia, and associated pyroclastic debris",null,null,"SV004",511,"Seldovia","Igneous",305,null,null,3050]
["Qtv","Lava flows, North and South Twin volcanic center","Quaternary","Lava flows from the North and South Twin volcanic center.  Probably andesitic",null,null,"SV005",555,"Seldovia","Igneous",305,null,null,3050]
["Qca","Ash-rich colluvium","Quaternary, Holocene","Consists of tephra-rich colluvium in the vicinity of and west of Redoubt volcano.  Similar to other volcanoes, these deposits probably consist of ash and larger-sized pyroclasts.  On the flank of Redoubt Volcano, these deposits mantle and are incorporate",null,null,"KN008",861,"Kenai","Igneous",311,null,null,3110]
["Qls","Deposits of Mass Wasting -- landslide deposits","Quaternary","Deposits of landslides, including falls, slumps, slides, and failures by lateral spreading.  Assigned NSA = 312 in vicinity of Polly Creek where this unit consists of debris flows from Mount Redoubt.",null,null,"KN006",635,"Kenai","Igneous",312,null,null,3120]
["Qm","Debris flow deposits","Quaternary, Holocene","Debris flow deposits of Crescent River valley.  Includes several small (older?) deposits in the upper valley and the 3,500-year-old debris flow in the lower valley",null,null,"KN007",703,"Kenai","Igneous",312,null,null,3120]
["Qdf2","Debris flow deposits, older Redoubt flows","Quaternary, Holocene","Debris flow deposits of North Fork, Crescent River.  Deposits of multiple debris flows off the west and southwest flanks Redoubt Volcano.  Oldest(?) deposit is derived from west flank of Redoubt.  Next oldest deposit appears derived from presently glacia",null,"Radiocarbon date of about 3,500 yrs. BP on youngest and most extensive debris flow.","KN008",8621,"Kenai","Igneous",312,null,null,3121]
["Qdf1","Debris flow deposits, younger Redoubt flows","Quaternary, Holocene","Debris flow deposits of North Fork, Crescent River.  Deposits of the youngest, most extensive, and probably most fluid debris flow derived from southwest flank of Redoubt Volcano.  Flow was apparently derived from a presently glacier free valley draining",null,"Radiocarbon date of about 3,500 yrs. BP on youngest and most extensive debris flow.","KN008",8622,"Kenai","Igneous",312,null,null,3122]
["Ql","Lahar deposits","Quaternary, Holocene","Lahar deposits",null,null,"KN011",1162,"Kenai","Unconsolidated",312,null,null,3120]
["Qdfn","Debris flow deposits, younger Redoubt flows","Quaternary, Holocene","Debris flow deposits on the north flank of Redoubt Volcano in the Drift River valley",null,null,"KN008",862,"Kenai","Igneous",312,null,null,3122]
["none","Areas in Drift River valley subjected to flood scour or deposition by 1966 floods","Quaternary, Holocene","Areas in Drift River valley subjected to flood scour or deposition by 1966 floods",null,null,"KN007",706,"Kenai","Unconsolidated",313,null,null,3130]
["pattern","Areas on Drift River delta subjected to flood scour or deposition prior to 1966","Quaternary, Holocene","Areas on Drift River delta subjected to flood scour or deposition in the several decades before 1966",null,null,"KN007",708,"Kenai","Unconsolidated",313,null,null,3130]
["Qdr1","Younger Drift River delta mudflow deposits prior to 1957","Quaternary, Holocene","Areas of mudflow deposits, tending to be minimally vegetated and relatively close to channel of Drift River",null,null,"KN008",8632,"Kenai","Unconsolidated",313,null,null,3130]
["Qdr2","Older Drift River delta mudflow deposits","Quaternary, Holocene","Areas of mudflow deposits, tending to be more heavily vegetated and tending to control location of Drift River channels",null,null,"KN008",8631,"Kenai","Unconsolidated",313,null,null,3130]
["Qdr","Drift River delta mudflow deposits, undifferentiated","Quaternary, Holocene","Areas of mudflow deposits, not easily separatable into the Younger and Older events",null,null,"KN008",863,"Kenai","Unconsolidated",313,null,null,3130]
["Qav","Volcanic avalanche deposits","Quaternary, Holocene","Volcanic avalanche deposits consisting of poorly sorted mixture of angular sand, cobbles, and boulders.  All deposits contain clasts of gray andesitic lava and yellow-orange hydrothermally altered rocks.  Estimated age is less than 1,000 years and some m",null,null,"KN011",1164,"Kenai","Igneous",314,null,null,3140]
["Qv","Quaternary volcanic rocks","Quaternary, Pleistocene","Composite dome complex consisting of medium- to coarsely porphyritic hornblende andesite and dacite.",null,"Three K-Ar whole-rock ages, two considered minimum ages at 627 and 763 ka and one of 887 ka.","KN009",901,"Kenai","Igneous",402,null,null,4020]
["Ts","Sterling Formation","Tertiary, Pliocene and Miocene","Interbedded, weakly lithified sandstone, siltstone, mudstone, carbonaceous shale, lignite coal, and minor volcanic ash.",null,null,"SV002",80,"Seldovia","Sedimentary",540,null,null,null]
["Tks","Sterling Formation","Tertiary, Pliocene and Miocene","Sandstone, siltstone, and some coal",null,null,"KN002",540,"Kenai","Sedimentary",540,null,null,null]
["Tks","Sterling Formation","Tertiary, Pliocene and Miocene","Sandstone, siltstone, and some coal",null,null,"SV010",107,"Seldovia","Sedimentary",540,null,null,null]
["Tb","Beluga Formation","Tertiary, Miocene","Interbedded, weakly lithified sandstone, siltstone, mudstone, carbonaceous shale, coal, and minor volcanic ash.",null,null,"SV002",78,"Seldovia","Sedimentary",545,null,null,null]
["Tkb","Beluga Formation","Miocene","Sandstone, siltstone, and coal",null,null,"SV010",108,"Seldovia","Sedimentary",545,null,null,null]
["Tk","Kenai Group","Tertiary","Coal-bearing semi-consolidated silt, sand, and gravel near Tustumena Glacier.  Possibly equivalent to the Sterling Formation?",null,null,"KN003",3560,"Kenai","Sedimentary",560,null,null,null]
["Tk","Kenai Formation","Tertiary, Eocene","Semiconsolidated coal-bearing silt, sand, and gravel",null,null,"KN013",300,"Kenai","Sedimentary",560,null,null,null]
["Tk","Kenai Formation","Tertiary, Eocene","Semiconsolidated coal-bearing silt, sand, and gravel",null,null,"SV007",300,"Seldovia","Sedimentary",560,null,null,null]
["Tk","Kenai Formation","Tertiary, Eocene","Interbedded, poorly consolidated sandstone, siltstone, claystone, and minor amounts of conglomerate. Contains many beds of subbituminouos coal and lignite",null,null,"KN014",143,"Kenai","Sedimentary",560,null,null,null]
["bT","Tertiary bedrock","Tertiary","Kenai Group and West Foreland Formation; nonmarine sandstone, siltstone, shale, and claystone and local coal",null,null,"KN006",621,"Kenai","Sedimentary",561,null,null,null]
["bT?","Tertiary bedrock","Tertiary","Kenai Group and West Foreland Formation; nonmarine sandstone, siltstone, shale, and claystone and local coal",null,null,"KN006",634,"Kenai","Sedimentary",561,null,"Q",null]
["Ty","Yakataga Formation","Tertiary, Miocene","Consists of diverse marine and glaciomarine clastic rocks.  Interbedded gray to dark-gray and greenish-gray siltstone, mudstone, and sandstone predominate in the lower part of the formation.  Till-like diamictite is interbedded with siltstone in all but","mollusks, foraminifers",null,"MI002",220,"Middleton Island","Sedimentary",565,null,null,null]
["QTy","Yakataga Formation","Quaternary, Pleistocene to Tertiary, Miocene","Consists of diverse marine and glaciomarine clastic rocks.  Interbedded gray to dark-gray and greenish-gray siltstone, mudstone, and sandstone predominate in lower third of formation.  Till-like diamictite dominant rock type in upper part of formation.",null,null,"MI003",215,"Cordova","Sedimentary",565,null,null,null]
["Tt","Tyonek Formation","Tertiary, Miocene and Oligocene","Conglomerate and subordinate sandstone, siltstone, and coal",null,null,"SV002",81,"Seldovia","Sedimentary",600,null,null,null]
["Tkt","Tyonek Formation","Miocene and Oligocene","Sandstone, siltstone, coal, and conglomerate",null,null,"SV010",106,"Seldovia","Sedimentary",600,null,null,null]
["Tkth","Tyonek Formation and Hemlock Conglomerate (undivided)","Tertiary, Miocene and Oligocene","Sandstone, conglomerate, and siltstone",null,null,"KN002",630,"Kenai","Sedimentary",630,null,null,2750]
["Tr","Redwood Formation","Tertiary, Pliocene to Oligocene?","Lower sandstone member: about two-thirds thick-bedded sandstone and one-third silty sandstone and siltstone. Upper member: about one-half siltstone, mudstone and claystone, the rest is conglomerate and sandstone.",null,null,"CV003",230,"Cordova","Sedimentary",675,null,null,null]
["Tr","Redwood Formation","Tertiary, Oligocene (?) and Miocene","Marine siltstone, sandstone, and conglomerate.  The sandstone member consists of about two-thirds thick-bedded sandstone and one-third silty sandstone and siltstone.  The characteristic conglomeratic beds show complete gradation from coarse, clast-suppor","mollusks, and foraminifera",null,"CV002",30,"Cordova","Sedimentary",675,null,null,null]
["Tps","Sedimentary rocks, undivided (Poul Creek Formation)","Tertiary, Miocene, Oligocene, and Eocene","Concretionary pyritic, and glauconitic reddish-weathering, dark-gray to greenish-gray siltstone, claystone, and sandstone with subordinate dark-brown, laminated organic-rich shale, and gray calcareous sandstone; also includes thin interbeds of basaltic t","mollusks, and foraminifera",null,"MI002",235,"Middleton Island","Sedimentary",680,null,null,null]
["Tps","Poul Creek Formation: Sedimentary rocks, undivided","Tertiary, Miocene, Oligocene, and Eocene","Concretionary, pyritic, glauconitic, reddish-weathering, dark-gray to greenish-gray siltstone, claystone, and sandstone; shale that is rich in organic material; gray calcareous sandstone; local thin interbeds of basaltic tuff.",null,null,"CV003",235,"Cordova","Sedimentary",680,null,null,null]
["Tps","Poul Creek Formation:  Sedimentary rocks, undivided","Tertiary, Miocene, Oligocene, and Eocene","Concretionary pyritic, and glauconitic reddish-weathering, ark-gray to greenish-gray siltstone, claystone, and sandstone with subordinate dark-brown, laminated organic-rich shale, and gray calcareous sandstone; also includes thin interbeds of basaltic tu","mollusks, and foraminifera",null,"CV002",35,"Cordova","Sedimentary",680,null,null,null]
["Tps","Poul Creek Formation: Sedimentary rocks, undivided","Tertiary, Miocene, Oligocene, and Eocene","Concretionary, pyritic, glauconitic, reddish-weathering, dark-gray to greenish-gray siltstone, claystone, and sandstone; shale that is rich in organic material; gray calcareous sandstone; local thin interbeds of basaltic tuff.",null,null,"MI003",235,"Middleton Island","Sedimentary",680,null,null,null]
["Tt","Tokun Formation","Tertiary, Eocene","Consists predominantly of concretionary siltstone and lesser, variable amount of interbedded sandstone. Siltstone is medium to dark gray and nearly massive. Spheroidal calcareous concretions as much as 1 m in maximum dimension are distributed randomly or",null,null,"CV003",240,"Cordova","Sedimentary",810,null,null,null]
["Tt","Tokun Formation","Tertiary, Oligocene and Eocene","A transgressive marine sequence.  Consists predominantly of concretionary siltstone with a lesser and variable amount of interbedded sandstone, chiefly in the lower part of the formation.  The siltstone generally is medium to dark gray and nearly massive","crabs, and mollusks",null,"CV002",40,"Cordova","Sedimentary",810,null,null,null]
["Ts","Stillwater Formation","Tertiary, Eocene","Dense hard dark-gray siltstone. Where siltstone is carbonaceous, it has a coalike appearance; where its calcareous, it may be variegated from reddish brown to pale green","foraminifers",null,"CV003",256,"Cordova","Sedimentary",820,null,null,null]
["Ts","Stillwater Formation","Tertiary, Eocene","The dominant lithology is dense hard dark-gray siltstone.  Where the siltstone is carbonaceous, it has a coaly appearance; where it is calcareous, the siltstone may be variegated in shades of reddish brown to pale green and usually contains foraminifers.","foraminifers, and mollusks",null,"CV002",255,"Cordova","Sedimentary",820,null,null,null]
["Twf","West Foreland Formation","Tertiary, Eocene","Poorly sorted polymictic conglomerate, graywacke, and siltstone; having interbedded tuff and local subaerial basalt flows.",null,null,"SV002",79,"Seldovia","Sedimentary",855,null,null,null]
["Twf","West Foreland Formation","Tertiary, Eocene and Paleocene","Conglomerate, sandstone, and siltstone; mostly tuffaceous",null,null,"KN002",855,"Kenai","Sedimentary",855,null,null,2750]
["Tk","Kenai Formation","Tertiary, Miocene and Oligocene(?)","Tan to light-yellow-brown conglomerate, sandstone, and laminated siltstone; few thin coal beds",null,null,"SV004",513,"Seldovia","Sedimentary",855,null,null,null]
["Twf?","West Foreland Formation","Tertiary, Eocene and Paleocene","Conglomerate, sandstone, and siltstone; mostly tuffaceous, inferred from air photos, covered by thin glacial deposits",null,null,"KN008",820,"Kenai","Sedimentary",855,null,"Q",2750]
["Tk","Kulthieth Formation","Tertiary, Eocene","Massive to thin-bedded, coal-bearing, arkosic sandstone, dark-gray to black carbonaceous siltstone and shale, and minor coal.  Sandstone and shale ratios in measured sections average about 1:1.  Sandstone varies from massive intervals as much as 150 m th","plants, and mollusks",null,"CV002",250,"Cordova","Sedimentary",860,null,null,null]
["Tk","Kulthieth Formation","Tertiary, Eocene","Includes at least 1,500 m of interbedded, massive to thin-bedded, coal-bearing arkosic sandstone, dark-gray to black carbonaceous siltstone and shale, and minor coal. Commonly intensely deformed into imbricated stacks of fault-bounded chevron folds.",null,null,"CV003",250,"Cordova","Sedimentary",860,null,null,null]
["Tos","Orca Group -- Sedimentary rocks, undivided","Tertiary, Paleocene and early Eocene (?)","Dark-gray flysch of thin- to thick-bedded sandstone, pebbly sandstone, siltstone, mudstone, and locally conglomerate and limestone; sandstone is composed chiefly of quartz and plagioclase; conglomerate clasts are mainly felsic porphyry and granite",null,null,"BS004",13,"Blying Sound","Sedimentary",950,null,null,null]
["Toss","Orca Group:  Siltstone","Tertiary, Paleocene and early Eocene (?)","Dark-gray to black siltstone, mudstone, and minor fine-grained sandstone that is tightly folded and metamorphosed to slate; medium-gray and green lenses of micritic limestone as much as 2 m thick present locally in slate; olistostromes of siltstone prese",null,null,"BS004",15,"Blying Sound","Sedimentary",950,null,null,null]
["Tos","Orca Group -- Sedimentary rocks, undivided","Tertiary, Paleocene and early Eocene (?)","Dark-gray flysch of thin- to thick-bedded sandstone, pebbly sandstone, siltstone, mudstone, and locally conglomerate and limestone; sandstone is composed chiefly of quartz and plagioclase; conglomerate clasts are mainly felsic porphyry and granite",null,null,"SR004",13,"Seward","Sedimentary",950,null,null,null]
["Toss","Orca Group:  Siltstone","Tertiary, Paleocene and early Eocene (?)","Dark-gray to black siltstone, mudstone, and minor fine-grained sandstone that is tightly folded and metamorphosed to slate; medium-gray and green lenses of micritic limestone as much as 2 m thick present locally in slate; olistostromes of siltstone prese",null,null,"SR004",15,"Seward","Sedimentary",950,null,null,null]
["Tos","Orca Group -- Sedimentary rocks, undivided","Tertiary, Eocene (?) and Paleocene","A sequence of thin- to thick-bedded sandstone, siltstone, and mudstone.  Abundant sedimentary structures, such as graded bedding, crossbedding, and ripple marks, along with flute, groove, and load casts, indicate deposition from turbidity currents.  Sand","Pollen:  Alnus (Alder)  Foraminifers: Globogerina sp., G. senni, Globogerina sp. (hispid), Globorotalia sp.  Echinoids:  Holaster sp. ?Hypsopygaster sp., Nucleopygus",null,"BS002",271,"Blying Sound","Sedimentary",950,null,null,null]
["Tos","Orca Group -- Sedimentary rocks, undivided","Tertiary, Eocene (?) and Paleocene","A sequence of thin- to thick-bedded sandstone, siltstone, and mudstone.  Abundant sedimentary structures, such as graded bedding, crossbedding, and ripple marks, along with flute, groove, and load casts, indicate deposition from turbidity currents.  Sand","Pollen:  Alnus (Alder)  Foraminifers: Globogerina sp., G. senni, Globogerina sp. (hispid), Globorotalia sp.  Echinoids:  Holaster sp. ?Hypsopygaster sp., Nucleopygus",null,"SR002",271,"Seward","Sedimentary",950,null,null,null]
["Tos","Orca Group -- Sedimentary rocks, undivided","Tertiary, Eocene and Paleocene","Very thick, complexly deformed monotonous sequence of thin- to thick-bedded turbidites consisting of sandstone, siltstone, and mudstone; metamorphosed to zeolite or prehnite-pumpellyite facies. Abundant sedimentary features indicate deposition from sedim","planktonic foraminifers, fossil crabs, pelecypods and gastropods",null,"CV003",271,"Cordova","Sedimentary",950,null,null,null]
["Tos","Orca Group -- Sedimentary rocks, undivided","Tertiary, Eocene (?) and Paleocene","A sequence of thin- to thick-bedded sandstone, siltstone, and mudstone.  Abundant sedimentary structures, such as graded bedding, crossbedding, and ripple marks, along with flute, groove, and load casts, indicate deposition from turbidity currents.  Sand","Pollen:  Alnus (Alder), Foraminifers: Globogerina sp., G. senni, Globogerina sp. (hispid), Globorotalia sp., Echinoids:  Holaster sp., ?Hypsopygaster sp., Nucleopygus",null,"CV002",71,"Cordova","Sedimentary",950,null,null,null]
["Tosb","Orca Group - Massive sandstone (Lithofacies B)","Eocene and Paleocene","Gray to tan, massive bedded, fine to medium grained sandstone. Beds range in thickness from 2 m to over 5 m. Locally contains interbedded interval of well bedded turbidites of lithofacies C (Mutti and Ricci Lucchi, 1978). Massive sandstone is predominant",null,null,"SR005",3086,"Seward","Sedimentary",950,null,null,null]
["Tosc","Orca Group - \"Typical\" turbidites","Eocene and Paleocene","Gray, well bedded, fine to medium grained, alternating layers of sandstone, siltstone, and shale. Beds are in layers less than or equal to 2 m thick. This lithologic association led to the original definition of turbidites (Mutti and Ricci Lucchi, 1978).",null,null,"SR005",3093,"Seward","Sedimentary",950,null,null,null]
["Tosd","Orca Group - Rythmite (sp.) (Lithofacies D)","Eocene and Paleocene","Dark gray, well bedded, fine grained, siltstone, and shale in beds 5 cm or less in thickness. Probably represents a distal facies of Tosc. Occurs in local map scale outcrops on the southern side of Fairmount Island and the west side of Wells Bay",null,null,"SR005",3097,"Seward","Sedimentary",950,null,null,null]
["Tosf","Orca Group","Eocene and Paleocene - Chaotic deposits (Lithofacies F)","Dark gray, contorted, fine grained shale. Irregular blocks of rythmite (sp.) and sandstone in a chaotically folded shale host. Probably represent deposition of large slump blocks along submarine canyon walls or the slope environment. The outcrops along t",null,null,"SR005",3088,"Seward","Sedimentary",950,null,null,null]
["Tosg","Orca Group - Shale or argillite (Lithofacies G)","Eocene and Paleocene","Dark gray, massive argillite or thin bedded shale. Outcrop occurs in a north-trending band north of Eickelberg Bay",null,null,"SR005",3033,"Seward","Sedimentary",950,null,null,null]
["Tosbd","Orca Group - Massive sandstone and rythmite (sp.)(Lithofacies B and D)","Eocene and Paleocene","Interbedded intervals, undivided at map scale, of tan, massive channel sandstones and rythmite (sp.). Rythmite (sp.) interval probably represents overbank deposits",null,null,"SR005",3085,"Seward","Sedimentary",950,null,null,null]
["Tops","Orca Group:  Pillow basalt and sedimentary rocks","Tertiary, Paleocene and early Eocene (?)","Areas composed of about equal amounts of pillow basalt and interbedded sedimentary rocks of sandstone and subordinate siltstone.  Present chiefly on Erlington, Evans, and Bainbridge Islands.","Foraminifers.  probably  Globigerina or   Subbotina   Probably Tertiary (specimens poorly preserved)",null,"BS004",19,"Blying Sound","Igneous",951,null,null,null]
["Togs","Orca Group:  Greenstone and sedimentary rocks","Tertiary, Paleocene and early Eocene (?)","Basalt sills intrude metasedimentary rocks, chiefly slate, on Elrington, Evans, and Bainbridge Islands; basalt sills and dikes in slate and sandstone on Knight Island",null,null,"BS004",23,"Blying Sound","Metamorphic",951,null,null,null]
["Tops","Orca Group:  Pillow basalt and sedimentary rocks","Tertiary, Paleocene and early Eocene (?)","Areas composed of about equal amounts of pillow basalt and interbedded sedimentary rocks of sandstone and subordinate siltstone.  Present chiefly on Erlington, Evans, and Bainbridge Islands.","Foraminifers.  probably  Globigerina or   Subbotina   Probably Tertiary (specimens poorly preserved)",null,"SR004",19,"Seward","Igneous",951,null,null,null]
["Togs","Orca Group:  Greenstone and sedimentary rocks","Tertiary, Paleocene and early Eocene (?)","Basalt sills intrude metasedimentary rocks, chiefly slate, on Elrington, Evans, and Bainbridge Islands; basalt sills and dikes in slate and sandstone on Knight Island.  Greenstone and sedimentary rocks",null,null,"SR004",23,"Seward","Metamorphic",951,null,null,null]
["Tosv","Orca Group -- Interbedded sedimentary and mafic volcanic rocks","Tertiary, Eocene (?) and Paleocene","Locally variable amounts of volcanic and sedimentary rocks.  In some cases unit is marginal to thicker sequences composed of pillowed and massive basalt flows.  The lithologies are quite variable throughout the study area.  In Ragged mountains volcanicla","Foraminifers: Globigerina or Subbotina;  Globigerina sp. (?) Globorotalia sp.; Globigerina cf. G. senni, Globorotalia sp., ?Eoconuloides parvulus, Globigerina sp. (high spired), Globigerina sp. (hispid)",null,"BS002",332,"Blying Sound","Sedimentary",951,null,"HFS",null]
["Tops","Orca Group -- Pillow basalt and sedimentary rocks","Tertiary, Eocene (?) and Paleocene","Pillow basalt, massive basalt flows, minor volcanic breccia interbedded with sandstone, siltstone, and shale.  Distinguished from the interbedded sedimentary and mafic volcanic rocks unit on the basis of the predominance of pillow basalt in the section.",null,null,"SR002",331,"Seward","Igneous",951,null,null,null]
["Tosv","Orca Group -- Interbedded sedimentary and mafic volcanic rocks","Tertiary, Eocene (?) and Paleocene","Locally variable amounts of volcanic and sedimentary rocks.  In some cases unit is marginal to thicker sequences composed of pillowed and massive basalt flows.  The lithologies are quite variable throughout the study area.  In Ragged mountains volcanicla","Foraminifers: Globigerina or Subbotina;  Globigerina sp. (?) Globorotalia sp.; Globigerina cf. G. senni, Globorotalia sp., ?Eoconuloides parvulus, Globigerina sp. (high spired), Globigerina sp. (hispid)",null,"SR002",332,"Seward","Sedimentary",951,null,"HFS",null]
["Tovs","Orca Group -- Interbedded sedimentary and volcanic rocks","Tertiary, Eocene and Paleocene","Variable proportions of interbedded, tholeiitic basalt and turbidites. Basalt--pillowed and massive flows, pillow breccia, and tuff. Turbitdites--mudstone, siltstone, and fossiliferous volcanogenic sandstone. Metamorphosed to zeolite or prehnite-pumpelly",null,null,"CV003",335,"Cordova","Sedimentary",951,null,null,null]
["Tosv","Orca Group -- Interbedded sedimentary and mafic volcanic rocks","Tertiary, Eocene (?) and Paleocene","Locally variable amounts of volcanic and sedimentary rocks.  In some cases unit is marginal to thicker sequences composed of pillowed and massive basalt flows.  The lithologies are quite variable throughout the study area.  In Ragged mountains volcanicla","Foraminifers: Globigerina or Subbotina;  Globigerina sp. (?) Globorotalia sp.; Globigerina cf. G. senni, Globorotalia sp., ?Eoconuloides parvulus, Globigerina sp. (high spired), Globigerina sp. (hispid)",null,"CV002",332,"Cordova","Sedimentary",951,null,"HFS",null]
["Tops","Orca Group -- Pillow basalt and sedimentary rocks","Tertiary, Eocene (?) and Paleocene","Pillow basalt, massive basalt flows, minor volcanic breccia interbedded with sandstone, siltstone, and shale.  Distinguished from the interbedded sedimentary and mafic volcanics rocks unit on the basis of the predominance of pillow basalt in the section.",null,null,"CV002",331,"Cordova","Igneous",951,null,null,null]
["Tops","Orca Group:  Pillow basalt and sedimentary rocks","Tertiary, Eocene (?) and Paleocene","Pillow basalt, massive basalt flows, minor volcanic breccia interbedded with sandstone, siltstone, and shale.  Distinguished from the interbedded sedimentary and mafic volcanics rocks unit on the basis of the predominance of pillow basalt in the section.",null,null,"CV002",331,"Cordova","Igneous",951,null,null,null]
["Tosv","Ophiolite of Glacier Island - Volcaniclastic rocks",null,"Dark gray to green, moderate to well bedded volcanic mudstone and sandstone, poorly sorted, broken pillow breccia with angular clasts of pillow basalt, ranging in size from a few centimeters to 15-cm across, in a volcanic mudstone matrix, and rare pillow",null,null,"SR005",3120,"Seward","Sedimentary",951,null,null,null]
["Toc","Orca Group:  Conglomerate","Tertiary, Eocene (?) and Paleocene","ORCA GROUP:  Ranges from matrix-supported pebbly mudstone and sandstone to massive clast-supported pebble, cobble, and boulder conglomerate.  The generally well-rounded clasts consist of various lithologies that have locally predominant types as follows:","Crab:  Branchioplax washingtoniana Pelecypod:  Acila decisa",null,"BS002",270,"Blying Sound","Sedimentary",952,null,null,null]
["Toc","Orca Group:  Conglomerate","Tertiary, Eocene (?) and Paleocene","ORCA GROUP:  Ranges from matrix-supported pebbly mudstone and sandstone to massive clast-supported pebble, cobble, and boulder conglomerate.  The generally well-rounded clasts consist of various lithologies that have locally predominant types as follows:","Crab:  Branchioplax washingtoniana Pelecypod:  Acila decisa",null,"SR002",270,"Seward","Sedimentary",952,null,null,null]
["Toc","Orca Group: Conglomerate","Tertiary, Eocene and Paleocene","Massive, clast-supported, well-rounded pebble, cobble, and boulder conglomerate. Variable clast composition.",null,null,"CV003",270,"Cordova","Sedimentary",952,null,null,null]
["Toc","Orca Group:  Conglomerate","Tertiary, Eocene (?) and Paleocene","Ranges from matrix-supported pebbly mudstone and sandstone to massive clast-supported pebble, cobble, and boulder conglomerate.  The generally well-rounded clasts consist of various lithologies that have locally predominant types as follows:  greenstone,","Crab:  Branchioplax washingtoniana Pelecypod:  Acila decisa",null,"CV002",70,"Cordova","Sedimentary",952,null,null,null]
["Tosa","Orca Group - Conglomerate (Lithofacies A)","Eocene and Paleocene","Dark gray, poorly-bedded to massive, matrix-supported pebbly mudstone and sandstone to pebble, cobble, and boulder conglomerate. Minor lenses of sandstone and less or amounts of siltstone. Clasts are usually well-rounded and predominately sandstone and s",null,null,"SR005",3096,"Seward","Sedimentary",952,null,null,null]
["Tots","Orca Group -- Tuffaceous sedimentary rocks","Tertiary, Eocene (?) and Paleocene","Tuffaceous sedimentary rocks, volcaniclastic sandstone, and minor chert.  Locally, these rocks contain abundant radiolarians and diatoms of probable Tertiary age (table 2).  South of the Martin fault, this unit also includes minor pillow basalt and abund","Diatoms: Arachinodiscus cf., A. ehrenbergii, Trinacria ef., T. pileclus  Silicoflagellates:  ?Corbisema geometrica, ?Corbisema hastata, ?Corbisema triacontha, Dictyocha aspera, Navoculopgis constricta",null,"MI002",272,"Middleton Island","Sedimentary",953,null,null,null]
["Tots","Orca Group -- Tuffaceous sedimentary rocks","Tertiary, Eocene (?) and Paleocene","Tuffaceous sedimentary rocks, volcaniclastic sandstone, and minor chert.  Locally, these rocks contain abundant radiolarians and diatoms of probable Tertiary age (table 2).  South of the Martin fault, this unit also includes minor pillow basalt and abund","Diatoms: Arachinodiscus cf., A. ehrenbergii, Trinacria ef., T. pileclus  Silicoflagellates:  ?Corbisema geometrica, ?Corbisema hastata, ?Corbisema triacontha, Dictyocha aspera, Navoculopgis constricta",null,"CV002",272,"Cordova","Sedimentary",953,null,null,null]
["Tf","Lava flows","Tertiary, middle to late?","Andesitic to basaltic lavas and associated pyroclastic rocks.",null,null,"KN005",512,"Kenai","Igneous",1000,null,null,2750]
["Td","Intermediate, felsic and mafic dikes","early Tertiary","Dikes of dacite, rhyolite, andesite, and rare basalt; stored in coverage as arcs, arc-code = 50, arc-para1 = 0",null,"Ar-AR isochron(?) age on andesite(?) of 57.0 Ma","SV002",0,"Seldovia","Igneous",1011,null,null,null]
["Td","Dacite of Cape Saint Elias","Tertiary, Miocene","Described by Winkler and Plafker (1981, p. 18) as follows:  \"A prominent, very pale gray dacite plug complex forms the landmarks of Cape Saint Elias and Pinnacle Rock at the seward end of Kayak Island (Plafker, 1974).  The dacite is very dense and hard,",null,"K-Ar date on dacite of 6.2 + or - 0.3 Ma.","MI002",405,"Middleton Island","Igneous",1053,null,null,null]
["Td","Dacite of Cape Saint Elias","Tertiary, Pliocene or Miocene","Prominent very pale gray dacite plug complex that forms Cape Saint Elias and Pinnacle Rock at southwestern end of Kayak Island. Dacite is very dense and hard and is conspicuously jointed. Microgranitic and porphyritic texture.",null,"Whole-rock K-Ar age of 6.2 Ma","CV003",200,"Cordova","Igneous",1053,null,null,null]
["Td","Dacite of Cape Saint Elias","Tertiary, Pliocene or Miocene","Prominent very pale gray dacite plug complex that forms Cape Saint Elias and Pinnacle Rock at southwestern end of Kayak Island. Dacite is very dense and hard and is conspicuously jointed. Microgranitic and porphyritic texture.",null,"Whole-rock K-Ar age of 6.2 Ma","MI003",200,"Cordova","Igneous",1053,null,null,null]
["Tpv","Poul Creek Formation -- Volcanic rocks, undivided","Tertiary, Miocene, Oligocene, and Eocene","Basaltic pyroclastic and flow rocks including minor pillowed flows; locally interbedded with marine sedimentary rocks, including tuffaceous or glauconitic strata, probably genetically related to mafic dikes, sills, and plugs of the mafic plugs unit (Tm)",null,"K/Ar date on whole rock of 31.2 + or - 1.3 Ma","MI002",320,"Middleton Island","Igneous",1080,null,null,null]
["Tpv","Poul Creek Formation: Volcanic rocks, undivided","Tertiary, Miocene to Eocene","Basaltic pyroclastic and flow rocks; locally interbedded with marine sedimentary rocks. Probably related genetically to mafic dikes, sills and plugs unit (Tm).",null,null,"CV003",320,"Cordova","Igneous",1080,null,null,null]
["Tpv","Poul Creek Formation:  Volcanic rocks, undivided","Tertiary, Miocene, Oligocene, and Eocene","Basaltic pyroclastic and flow rocks including minor pillowed flows; locally interbedded with marine sedimentary rocks, including tuffaceous or glauconitic strata, probably genetically related to mafic dikes, sills, and plugs of the mafic plugs unit (Tm).",null,"K/Ar date on whole rock of 31.2 + or - 1.3 Ma","CV002",20,"Cordova","Igneous",1080,null,null,null]
["Tm","Mafic dikes, sills, and plugs","Tertiary, Oligocene","Mafic dikes, sills, and plugs. Strongly altered intrusions of diabase, alkalic basalt, olivine basalt, and lamprophyre. Probably related genetically to extrusive volcanic rocks (Tpv) in Poul Creek Fm.",null,null,"CV003",423,"Cordova","Igneous",1090,null,null,null]
["Tm","Mafic plugs","Tertiary, Oligocene (?)","Only includes mafic plugs in the eastern Cordova quadrangle west of Nichawak Mountain; mainly in the Blying Sound quadrangle.  Miller (1975) and Winkler and Plafker (1981) described the mafic plugs as coarse grained and diabasic with 45 percent euhedral",null,null,"CV002",42,"Cordova","Igneous",1090,null,null,null]
["Tm","Mafic plugs","Tertiary, Oligocene (?)","Only includes mafic plugs in the eastern Cordova quadrangle west of Nichawak Mountain mainly in the Blying Sound quadrangle.  Miller (1975) and Winkler and Plafker (1981) described the mafic plugs as coarse grained and diabasic with 45 percent euhedral p",null,null,"CV002",423,"Cordova","Igneous",1090,null,null,null]
["Tog","Orca Group:  Greenstone, undivided","Tertiary, Paleocene and early Eocene (?)","Probably pillow basalt, basaltic tuff, and sills. Few small areas of mafic igneous rock were also included in this map unit because classification of rocks is uncertain; they include an outcrop on Outpost Island not visited by authors, rocks with uncerta",null,null,"BS004",27,"Blying Sound","Metamorphic",1135,null,null,null]
["Tog","Orca Group:  Greenstone, undivided","Tertiary, Paleocene and early Eocene (?)","Probably pillow basalt, basaltic tuff, and sills. Few small areas of mafic igneous rock were also included in this map unit because classification of rocks is uncertain; they include an outcrop on Outpost Island not visited by authors, rocks with uncerta",null,null,"SR004",27,"Seward","Metamorphic",1135,null,null,null]
["Tov","Orca Group:  Volcanic rocks, undivided","Tertiary, Eocene (?) and Paleocene","Mostly tabular or lenticular bodies of mafic volcanic rocks altered to greenstone and not examined in detail.  As mapped, may include pillowed or massive flows, broken pillow breccia, tuff, and dikes.",null,null,"SR002",333,"Seward","Igneous",1135,null,null,null]
["Tov","Orca Group:  Volcanic rocks, undivided","Tertiary, Eocene and Paleocene","Thick and thin tabular bodies of altered tholeiitic basalt. Pillowed, massive or crudely columnar flows; pillow breccia, aquagene tuff, and diabase or gabbro sills. Local interbedding of mudstone and siltstone. Metamorphosed to zeolite or prehnite-pumpel",null,null,"CV003",333,"Cordova","Igneous",1135,null,null,null]
["Tov","Orca Group:  Volcanic rocks, undivided","Tertiary, Eocene (?) and Paleocene","Mostly tabular or lenticular bodies of mafic volcanic rocks altered to greenstone and not examined in detail.  As mapped, may include pillowed or massive flows, broken pillow breccia, tuff, and dikes.",null,null,"CV002",33,"Cordova","Igneous",1135,null,null,null]
["Top","Orca Group:  Pillow basalt","Tertiary, Paleocene and early Eocene (?)","Pale- to dark-green aphyric to porphyritic, commonly amygdaloidal, pillow basalt composed of plagioclase and clinopyroxene; plagioclase is generally replaced by albite and(or) chloritie; vesticles mostly filled with chlorite; pillow basalt in some areas",null,null,"BS004",17,"Blying Sound","Igneous",1136,null,null,null]
["Kvp","Valdez Group:  Pillow basalt","Late Cretaceous","Pale- to dark-green aphyric to porphyritic, frequently amygdaloidal, pillow basalt composed to plagioclase and clinopyroxene; plagioclase commonly replaced by albite and epidote, and clinopyroxene by hornblende, actinolite, and(or) chlorite; vesticles mo",null,null,"BS004",33,"Blying Sound","Igneous",1136,null,null,null]
["Top","Orca Group:  Pillow basalt","Tertiary, Paleocene and early Eocene (?)","Pale- to dark-green aphyric to porphyritic, commonly amygdaloidal, pillow basalt composed of plagioclase and clinopyroxene; plagioclase is generally replaced by albite and(or) chloritie; vesticles mostly filled with chlorite; pillow basalt in some areas",null,null,"SR004",17,"Seward","Igneous",1136,null,null,null]
["Kvp","Valdez Group:  Pillow basalt","Late Cretaceous","Pale- to dark-green aphyric to porphyritic, frequently amygdaloidal, pillow basalt composed to plagioclase and clinopyroxene; plagioclase commonly replaced by albite and epidote, and clinopyroxene by hornblende, actinolite, and(or) chlorite; vesticles mo",null,null,"SR004",33,"Seward","Igneous",1136,null,null,null]
["Top","Orca Group:  Pillow basalt","Tertiary, Eocene (?) and Paleocene","Pillow breccia and massive flows are subordinate in quantity to pillow basalt.  Minor intercalated sedimentary rocks are predominantly siliceous mudstone and argillite.  Interpillow material consists of silicious mudstone, sandstone, or carbonate rocks.",null,null,"BS002",330,"Blying Sound","Igneous",1136,null,null,null]
["Top","Orca Group:  Pillow basalt","Tertiary, Eocene (?) and Paleocene","Pillow breccia and massive flows are subordinate in quantity to pillow basalt.  Minor intercalated sedimentary rocks are predominantly siliceous mudstone and argillite.  Interpillow material consists of silicious mudstone, sandstone, or carbonate rocks.",null,null,"SR002",330,"Seward","Igneous",1136,null,null,null]
["Kvp","Valdez Group:  Pillow basalt","Late Cretaceous","Pillow basalt and lesser massive basalt and broken pillow breccia make up most of the western flank of the mafic complex on the Resurrection Peninsula.  These pillow basalts from a west-dipping sequence and contain minor amounts of interbedded siliceous",null,null,"BS002",612,"Blying Sound","Igneous",1136,null,null,null]
["Top","Orca Group:  Pillow basalt","Tertiary, Eocene (?) and Paleocene","Pillow breccia and massive flows are subordinate in quantity to pillow basalt.  Minor intercalated sedimentary rocks are predominantly siliceous mudstone and argillite.  Interpillow material consists of silicious mudstone, sandstone, or carbonate rocks.",null,null,"CV002",330,"Cordova","Igneous",1136,null,null,null]
["Top","Ophiolite of Glacier Island - Pillow basalt","Tertiary, Eocene (?) and Paleocene (added)","Dark gray or green pillow basalt flows and minor massive basalt flows. Basalts are fine to medium grained, porphyritic with phenocrysts of plagioclase and clinopyroxene; olivine is present but not abundant. Pillows average 0.3 m in diameter. Altered brow",null,null,"SR005",3123,"Seward","Igneous",1136,null,null,null]
["Kvd","Valdez Group:  Sheeted basalt dikes","Late Cretaceous","Dark-green, gray, and brown aphyric to porphyritic and locally gabbroic dikes composed mainly of plagioclase and clinopyroxene; olivine present in a few dikes; plagioclase generally is replaced by albite, and clinopyroxene commonly replaced by hornblende",null,null,"BS004",35,"Blying Sound","Igneous",1137,null,null,null]
["Tod","Orca Group:  Sheeted basalt dikes","Tertiary, Paleocene and early Eocene (?)","Dark-green, gray, and brown aphyric to porphyritic and gabbroic dikes composed mainly of plagioclase and clinopyroxene; plagioclase and clinopyroxene; felsic plagioclase-quartz dikes occur locally; plagioclase-clinopyroxene-olivine dikes are present but",null,null,"SR004",21,"Seward","Igneous",1137,null,null,null]
["Kvd","Valdez Group:  Sheeted basalt dikes","Late Cretaceous","Dark-green, gray, and brown aphyric to porphyritic and locally gabbroic dikes composed mainly of plagioclase and clinopyroxene; olivine present in a few dikes; plagioclase generally is replaced by albite, and clinopyroxene commonly replaced by hornblende",null,null,"SR004",35,"Seward","Igneous",1137,null,null,null]
["Tod","Orca Group:  Sheeted dikes","Tertiary, Eocene (?) and Paleocene","ORCA GROUP:  Mafic sheeted-dike complexes in the Orca Group occur on Knight and Glacier Islands.  The dikes are basaltic in composition and display diabasic, equigranular, and porphyritic textures.  Phenocrysts of plagioclase and clinopyroxene are common",null,null,"SR002",334,"Seward","Igneous",1137,null,null,null]
["Kvd","Valdez Group:  Sheeted dikes","Late Cretaceous","Mafic sheeted dikes forming the topographically rugged crest of the Resurrection Peninsula are similar to the sheeted dikes unit of the Orca Group on Knight Island.  Most dikes are 3 to 6 ft thick, vertical, and generally have a parallel north-south orie",null,null,"BS002",613,"Blying Sound","Igneous",1137,null,null,null]
["Kvd","Valdez Group:  Sheeted dikes","Late Cretaceous","Mafic sheeted dikes forming the topographically rugged crest of the Resurrection Peninsula are similar to the sheeted dikes unit of the Orca Group on Knight Island.  Most dikes are 3 to 6 ft thick, vertical, and generally have a parallel north-south orie",null,null,"SR002",613,"Seward","Igneous",1137,null,null,null]
["Tod","Ophiolite of Glacier Island - Sheeted dikes","Tertiary, Eocene (?) and Paleocene (added)","Mafic sheeted dikes are basaltic in composition and form the lower oceanic-crust part of the ophiolite of Glacier Island. The dikes are diabasic, equigranular, and porphyritic. Phenocrysts of plagioclase and clinopyroxene are common. Facings on chilled m",null,"37.6Ma ñ0.6, plag, plateau age","SR005",3128,"Seward","Igneous",1137,null,null,null]
["Ti","Intrusive rocks","Tertiary","Dikes, sills, and stock-lke masses of felsic to mafic composition",null,null,"KN002",1200,"Kenai","Igneous",1200,null,null,null]
["Tgc","Cedar Bay granite","Tertiary, Eocene (?)","Light-gray and pink medium- and coarse-grained muscovite (biotite) granite; plagioclase ranges from oligoclase to andesine in composition, and biotite is commonly less than 1 percent.",null,null,"SR004",9,"Seward","Igneous",1270,null,null,null]
["Tg","Granite and granodiorite","Tertiary, Oligocene","The central part of the plutons are dominantly light-gray, medium- to coarse-grained granite with color index ranging from 3 to 8.  The plutons grade outward to fine- to medium-grained, more mafic mineral-rich (color indices of 10 to 20) margins of grani",null,"K/Ar dates from 34.2 + or - 1.7 to 36.2 + or - 1 Ma.","SR002",420,"Seward","Igneous",1270,null,null,null]
["Tg","Leucocratic Granite","Oligocene","Light colored, leucocratic biotite granite. Color index 5. Common textures are allotriomorphic granular and hypidiomorphic granular. Comprises several igneous bodies - plutons of Cedar Bay, Terentiev Lake, Granite Cove, and Columbia Glacier stock and an",null,"Ar/Ar 25.4 ñ0.1 Ma, kspar, plateau age; 29.2 ñ0.3 Ma, microcline, isochron age; 31.7 ñ0.1 Ma, kspar, plateau age; 29.2 ñ0.1 Ma, kspar, plateau age","SR005",3119,"Seward","Igneous",1270,null,null,null]
["Tg","Granodiorite and granite","Tertiary, Oligocene","Light-gray medium- to coarse-grained biotite (hornblende) granodiorite and granite stocks of central part of map area; larger stocks commonly grade from marginal zones containing more biotite (and locally hornblende) inward to more leucocratic zones; lar",null,"K/Ar dates on biotite of about 36.6 m.y., 35.5, 36.1, and 36.2 Ma; K/Ar date on hornblende of about 34.4 Ma.","SR004",5,"Seward","Igneous",1273,null,null,null]
["Tgb","Gabbro","Tertiary, Oligocene, Eocene, or Paleocene","Dark-gray fine- to medium-grained locally porphyritic gabbro composed of subequal amounts of labradorite and clinopyroxene; locally contains olivine on Esther Island; pyroxene largely altered to hornblende north of Paddy Bay.",null,null,"SR004",7,"Seward","Igneous",1294,null,null,null]
["Tgd","Gabbro and diorite","Tertiary, Oligocene","Consists of mafic rocks belonging to one of the main intrusive events.  These rocks are dominantly medium- to coarse-grained gabbro (labradorite-bearing) and subordinate diorite (andesine-bearing) with finer grained borders of quartz gabbro and quartz di",null,"K/Ar date of 36.6 +/- 1.01 Ma indicating a chronological relation to the granite and granodiorite unit (Tg).","SR002",421,"Seward","Igneous",1294,null,null,null]
["Tg","Granitoid rocks","Tertiary, Eocene","Granitoid rocks-- Biotite and biotite-hornblende granodiorite, granite, and minor tonalite; generally medium grained, hypidiomorphic, and equigranular; foliated in many places, especially near contacts with country rocks.",null,"K-Ar ages from 50.5 to 53.5 Ma","CV003",205,"Cordova","Igneous",1300,null,null,null]
["Tgg","Granite and granodiorite","Tertiary, Eocene","Generally medium- and medium- to coarse-grained hypidiomorphic-granular biotite granite with border phases of biotite + or - hornblende granite to granodiorite and tonalite.  Plutons of this unit are generally medium- and medium- to coarse-grained hypidi",null,"Six K/Ar ages on hornblende, biotite, and phlogopite ranging from 50.5 to 53.5 Ma","CV002",440,"Cordova","Igneous",1300,null,null,null]
["Tf","Felsite Dikes","Tertiary","Includes two types: (1) leucocratic porphyry dikes with 20%-30% euhedral phenocrysts of potassium feldspar and quartz in a fine grained allotriomorphic groundmass. Intrudes only the Orca Group; (2) allotriomorphic granular, white weathering, fine grained",null,"Ar/Ar 38.6 ñ0.6 Ma, biotite, plateau age; 40 ñ1 Ma, biotite, disturbed, wt. avg.; 31.1 ñ 0.2 Ma, kspar, isochron age","SR005",3107,"Seward","Igneous",1301,null,null,null]
["Ti3","Tonalite","Tertiary","Mostly biotite tonalite but also includes biotite-muscovite +/- garnet tonalite and trondhjemite.  Includes both weakly foliated, syn-D plutons (Ti3a) and unfoliated, post D plutons (Ti3b)",null,null,"CV005",505,"Cordova","Igneous",1310,null,null,null]
["Ti2","Tonalite","Tertiary","Mostly hornblende-biotite tonalite but also includes biotite tonalite.  Strongly foliated and lineated plutons with fabrics subparallel to D2 in adjacent metamorphic rocks",null,null,"CV005",506,"Cordova","Metamorphic",1310,null,null,null]
["Ti2","Tonalite","Tertiary","Mostly hornblende-biotite tonalite but also includes biotite tonalite.  Strongly foliated and lineated plutons with fabrics subparallel to D2 in adjacent metamorphic rocks",null,null,"CV006",504,"Cordova","Metamorphic",1310,null,null,null]
["Ti3b","Tonalite","Tertiary","Mostly biotite tonalite, but also some biotite-muscovite +/- garnet trondhjemite and granodiorite.  Unfoliated plutonic rocks",null,null,"CV006",508,"Cordova","Igneous",1310,null,null,null]
["Ti3a","Tonalite","Tertiary","Mostly biotite tonalite, weakly foliated, syn-D plutons",null,null,"CV006",512,"Cordova","Metamorphic",1310,null,null,null]
["Tg","Granodiorite","Tertiary, Eocene","Medium- and coarse-grained biotite granodiorite",null,"U-Pb monazite age of 56.0, Ar-Ar biotite ages of 54.2, 53.2, 53.4,53.7, and 54.0","SV002",113,"Seldovia","Igneous",1320,null,null,null]
["Tgh","Granite of Harding Icefield region","Tertiary, Eocene","Medium- to dark-gray foliated amdium- to coarse-grained biotite-muscovite-(hornblende) granite and granodiorite; marginal phases are locally biotite-muscovite-(hornblende) tonalite; mafic minerals, almost wholly biotite, constitute 20 to 30 percent of mi",null,"K/Ar dates on biotite of about 59.2 m.y. and on muscovite of about 54.6 m.y.","BS004",11,"Blying Sound","Igneous",1320,null,null,null]
["Tgh","Granite of Harding Icefield region","Tertiary, Eocene","Medium- to dark-gray foliated medium- to coarse-grained biotite-muscovite-(hornblende) granite and granodiorite; marginal phases are locally biotite-muscovite-(hornblende) tonalite; mafic minerals, almost wholly biotite, constitute 20 to 30 percent of mi",null,"K/Ar dates on biotite of about 59.2 m.y. and on muscovite of about 54.6 m.y.","SR004",11,"Seward","Igneous",1320,null,null,null]
["Tgg","Granite and granodiorite","Tertiary, Eocene","Generally medium- and medium- to coarse-grained hypidiomorphic-granular biotite granite with border phases of biotite + or - hornblende granite to granodiorite and tonalite.  Plutons of this unit are generally medium- and medium- to coarse-grained hypidi",null,"Six K/Ar ages on hornblende, biotite, and phlogopite ranging from 50.5 to 53.5 Ma","SR002",440,"Seward","Igneous",1320,null,null,null]
["Tgh","Granodiorite","Tertiary, Eocene","Medium- and coarse-grained biotite granodiorite of the Aialik pluton and Paguna stock -- assigned to granitic rocks of the Harding Icefield.  Same as NSA 1200 of source KN003",null,"U-Pb monazite age of 56.0, Ar-Ar biotite ages of 54.2, 53.2, 53.4,53.7, and 54.0","SV009",9113,"Seldovia","Igneous",1320,null,null,null]
["Tgh","Granodiorite","Tertiary, Eocene","Granitic rocks of the Harding Icefield extrapolated from description of Tysdal and Case (1979) in the adjoining Seward quadrangle.  Nunataks were mapped by Magoon and others (1976) as Valdez Group.",null,"U-Pb monazite age of 56.0, Ar-Ar biotite ages of 54.2, 53.2, 53.4,53.7, and 54.0","KN015",1513,"Kenai","Igneous",1320,null,null,null]
["Kvg","Valdez Group:  Gabbro","Late Cretaceous","Green massive medium- to coarse-grained and locally pegmatitic gabbro composed chiefly of labradorite and clinopyroxene; commonly altered to varying degreens; pyroxene altered to green hornblende which is partly replaced by actinolite and(or) chlorite; p",null,null,"BS004",37,"Blying Sound","Igneous",1374,null,null,null]
["Togb","Orca Group:  Gabbro and diorite","Tertiary, Paleocene and early Eocene (?)","ORCA GROUP:  Medium- and dark-gray to green coarse-grained chiefly clinopyroxene-plagioclase rocks with ophitic to subophitic texture and gabbroic to dioritic composition; locally pegmatitic with clinopyroxene crystals as much as 5 cm long; clinopyroxene",null,null,"SR004",25,"Seward","Igneous",1374,null,null,null]
["Kvg","Valdez Group:  Gabbro","Late Cretaceous","Green massive medium- to coarse-grained and locally pegmatitic gabbro composed chiefly of labradorite and clinopyroxene; commonly altered to varying degreens; pyroxene altered to green hornblende which is partly replaced by actinolite and(or) chlorite; p",null,null,"SR004",37,"Seward","Igneous",1374,null,null,null]
["Togb","Orca Group:  Gabbro","Tertiary, Eocene (?) and Paleocene","ORCA GROUP:  Several small intrusive bodies of gabbro occur on Knight Island.  The largest body crops out east of Drier Bay, where it intrudes sheeted dikes.  Other gabbro bodies that have been reported are too small to show at the scale of this map.  Mo",null,null,"SR002",470,"Seward","Igneous",1374,null,null,null]
["Kvgb","Valdez Group:  Gabbro","Late Cretaceous","Two north-south-trending plutons of medium- to coarse-grained gabbro occur east of the sheeted dikes unit on the Resurrection Peninsula.  Several features are displayed in shoreline exposures of the westernmost pluton that were not observed in the easter",null,null,"BS002",614,"Blying Sound","Igneous",1374,null,null,null]
["Kvgb","Valdez Group:  Gabbro","Late Cretaceous","Two north-south-trending plutons of medium- to coarse-grained gabbro occur east of the sheeted dikes unit on the Resurrection Peninsula.  Several features are displayed in shoreline exposures of the westernmost pluton that were not observed in the easter",null,null,"SR002",614,"Seward","Igneous",1374,null,null,null]
["Tou","Orca Group:  Ultramafic rocks","Tertiary, Eocene (?) and Paleocene","ORCA GROUP:  Two of these peridotite bodies occur within or near major shear zones in the sheeted dikes unit; only the larger (650 by 1,300 ft body is shown in the Port Audry shear zone.  The third body occurs as a xenolith in sheeted dikes.  The ultrama",null,null,"SR002",471,"Seward","Igneous",1375,null,null,null]
["Tmu","Mafic and ultramafic plutonic rocks","Tertiary, Eocene and Paleocene?","Mafic and ultramafic plutonic rocks-- Compositionally and texturally variable unit consists mainly of medium grained gabbro, local diabase, hornblende gabbro, peridotite, and orthopyroxenite. Gabbro is slightly to moderately foliated except near contacts",null,null,"CV003",210,"Cordova","Igneous",1380,null,null,null]
["Kvu","Valdez Group:  Ultramafic rocks","Late Cretaceous","Serpentinized peridotite and dunite occur at three localities underlain by the Valdez Group:  two of these are on the Resurrection Peninsula and the third is near the head of Port Fidalgo.  This description represents the third at Port Fidalgo.  The thir",null,null,"CV002",5533,"Cordova","Igneous",1380,null,null,null]
["TKu","Plutonic rocks, undivided","Tertiary and Cretaceous","Plutonic rocks",null,null,"KN012",1203,"Kenai","Igneous",1650,null,null,null]
["TKgd","Granodiorite, quartz diorite, and diorite","Tertiary or late Cretaceous",null,null,null,"KN002",2905,"Kenai","Igneous",1660,null,null,null]
["Kk","Kaguyak Formation, nonmarine sedimentary rocks","Late Cretaceous","Sandstone, conglomerate, siltstone and interbedded coal","(Not in Bradley, but cited in Magoon and others, 1980):  Sporomorphs:  Cranwellia striata Srivastava, Balmeisporites spp., Wodehouseia spinata Stanley, Proteacidites spp., Aquilapollenites bertillonites Funkhouser, A. reticulatus Mtchedlishvili, A delica",null,"SV002",72,"Seldovia","Sedimentary",1961,null,null,null]
["KPm","McHugh Complex, undivided","Cretaceous to Permian","Complexly deformed tectonic assemblage of diverse lithologies (melange).  Lithologies include argillite, tuff, graywacke, basalt, chert, outcrop-scale melange, conglomerate, gabbro, and limestone.  Rocks typically show prehnite-pumpellyite facies metamor","Permian conodonts and fusilinids.",null,"SV002",77,"Seldovia","Tectonite",2190,null,null,null]
["KJm","McHugh Complex","Cretaceous and (or) Jurassic","Weakly metamorphosed siltstone, graywacke, arkose, and conglomeratic sandstone; greenstone (mostly basaltic), metachert, and argillite",null,null,"KN003",2190,"Kenai","Tectonite",2190,null,null,null]
["KJm","McHugh Complex","Cretaceous and (or) Late Jurassic","Between Border Ranges fault and unnamed fault:  melange of siltstone, sandstone, mud-chip sandstone, conglomeratic sandstone, tuff, and less abundant gabbro, serpentinite, bedded chert, and pillow basalt; fine-grained sedimentary strata commonly streaked",null,null,"SR004",43,"Seward","Sedimentary",2190,null,null,null]
["KJm?","McHugh Complex","Late Jurassic and (or) Cretaceous","Between unnamed fault and Eagle River thrust fault (?):  massive sandstone that is brown, tan, and gray-green thick-bedded ridge-forming medium- and coarse-grained locally conglomeratic sandstone; abundantmud chips give rock a distinct spotted appearance",null,null,"SR004",44,"Seward","Tectonite",2190,null,null,null]
["Km","McHugh Complex","Early Cretaceous","Description from Clark (1981, p. 3-4) \"The McHugh Complex is a heterogeneous, chaotic assemblage that includes metamorphosed clastic and volcanic rocks of diverse ages.  The clastic rocks, which are the most abundant, comprise thick, fault-bounded sequen",null,null,"SR002",650,"Seward","Tectonite",2190,null,null,null]
["Ju","Interstratified graywacke-argillite and volcanic rocks","Jurassic?","Interstratified graywacke-argillite and volcanic rocks.  Highly folded and fractured.  Exposed at surface or beneath thin discontinuous deposits of Quaternary age",null,null,"KN013",302,"Kenai","Tectonite",2190,null,null,null]
["KPms","McHugh Complex, graywacke and conglomerate","Early Cretaceous to Early Jurassic (Pliensbachian)","Fault-bounded slices of massive conglomerate and graywacke.","Pliensbachian radiolaria in underlying ribbon chert",null,"SV002",75,"Seldovia","Sedimentary",2198,null,null,null]
["KPmc","McHugh Complex, basalt and chert","Early Cretaceous (Albian) to Middle Triassic (Ladinian)","Pillow and massive basalt, depositionally overlain by radiolarian chert.","Cretaceous to Triassic radiolaria in bedded chert",null,"SV002",74,"Seldovia","Tectonite",2199,null,null,null]
["Kd","Intermediate dike","Early Cretaceous","Basalt-andesite dike intruding McHugh Complex.  Stored in coverage as arcs, arc-code = 50 and arc-para1 = 5",null,"Ar-Ar hornblende plateau age of 115 Ma","SV002",0,"Seldovia","Igneous",2401,null,null,null]
["Ku","Plutonic rocks, undivided","Late Cretaceous","Plutonic rocks, undivided",null,null,"KN009",902,"Kenai","Igneous",2410,null,null,null]
["Ki12","Cretaceous intrusive rocks -- Unit 12 Quartz diorite","Cretaceous","Locally foliated, seriate hornblende-biotite quartz diorite.  Biotite-hornblende rationis quite variable although color index remains constant.  Deuteric epidote common.  Extension from adjacent Lake Clark quadrangle",null,null,"KN008",172,"Kenai","Igneous",2430,null,null,null]
["Kv","Valdez Group","Late Cretaceous","Thick sequences of drab, rythmically alternating multiply deformed turbidites, including metasandstone, metasiltstone, argillite, slate, and phyllite, and rare beds of pebbly argillite and metasandstone;  generally beds are a few centimeters to a few met","Maestrichtian and Campanian(?) Inoceramus",null,"SV002",71,"Seldovia","Metamorphic",2700,null,null,null]
["KJv","Valdez Group (?)","Cretaceous and Jurassic (?)","Metawacke, metasiltstone, and argillite; locally phyllitic",null,null,"KN003",2700,"Kenai","Metamorphic",2700,null,null,null]
["Kv","Valdez Group:  Sedimentary rocks, undivided","Late Cretaceous","Dark-gray thin- to thick-bedded sandstone, siltstone, and mudstone flysch; sandstone is fine to coarse grained and mainly is composed of plagioclase, quartz, and igneous rock fragments, the third ranging from a few percent to as much as 40 percent of roc","Mollusc.  Inoceramus kusiroensis  Maestrichtian   Late Cretaceou )",null,"BS004",29,"Blying Sound","Sedimentary",2700,null,null,null]
["Kv","Valdez Group:  Sedimentary rocks, undivided","Late Cretaceous","Dark-gray thin- to thick-bedded sandstone, siltstone, and mudstone flysch; sandstone is fine to coarse grained and mainly is composed of plagioclase, quartz, and igneous rock fragments, the third ranging from a few percent to as much as 40 percent of roc","Mollusc.  Inoceramus kusiroensis  Maestrichtian   Late Cretaceou )",null,"SR004",29,"Seward","Sedimentary",2700,null,null,null]
["Kvs","Valdez Group:  Sedimentary rocks, undivided","Late Cretaceous","Thick sequences of deformed and metamorphosed flysch consisting of metasandstone, metasiltstone, argillite, slate, and phyllite, with rare beds of conglomerate and pebbly argillite.  In many places primary internal sedimentary structures, consisting of g","Pelecypod:  Inoceramus kusiroensis, Inoceramus ulrichi, and Inoceramya concentrica","K/Ar date on biotite semischist of 51.5 + or - 1.5 Ma","SR002",510,"Seward","Sedimentary",2700,null,null,null]
["Kvs","Valdez Group: Metasedimentary rocks, undivided","Late Cretaceous","Thick sequence of rhythmically alternating, multiply-deformed, metamorphosed turbidites that consist of metasandstone, metasiltstone, argillite, slate and phyllite and rare beds of pebbly argillite. Beds generally a few centimeters to a few meters thick.",null,null,"CV003",511,"Cordova","Metamorphic",2700,null,null,null]
["Kvs","Valdez Group:  Sedimentary rocks, undivided","Late Cretaceous","Thick sequences of deformed and metamorphosed flysch consisting of metasandstone, metasiltstone, argillite, slate, and phyllite, with rare beds of conglomerate and pebbly argillite.  In many places primary internal sedimentary structures, consisting of g","Pelecypod:  Inoceramus kusiroensis, Inoceramus ulrichi, and Inoceramya concentrica","K/Ar date on biotite semischist of 51.5 + or - 1.5 Ma","CV002",510,"Cordova","Sedimentary",2700,null,null,null]
["Ku","Graywacke-argillite and other consolidated rocks","Cretaceous","Graywacke-argillite and other consolidated rocks.  Highly folded and fractured.  Exposed at surface or beneath thin discontinuous deposits of Quaternary age",null,null,"KN013",301,"Kenai","Sedimentary",2700,null,null,null]
["Ku","Graywacke-argillite and other consolidated rocks","Cretaceous","Graywacke-argillite and other consolidated rocks.  Highly folded and fractured.  Exposed at surface or beneath thin discontinuous deposits of Quaternary age",null,null,"SV007",301,"Seldovia","Sedimentary",2700,null,null,null]
["Kvvs","Valdez Group:  Interbedded volcanic and sedimentary rocks","Late Cretaceous","This unit is composed of approximately equal amounts of interbedded volcanic rocks, consisting of volcanic breccia, tuff, tuffaceous sediment, and minor pillow basalt, and sedimentary rocks, consisting of sandstone, siltstone, shale, and chert.  The two",null,"K-Ar date on amphibote-bearing greenschist of 47.6 + or - 1.4 Ma was reported, those source rocks are now assigned to Orca Group","SR002",554,"Seward","Igneous",2702,null,null,null]
["Kvvs","Valdez Group: Interbedded metavolcanic and metasedimentary rocks","Late Cretaceous","Equal proportions of interbedded metavolcanic and metasedimentary rocks. Metavolcanic--semischistose metatuff and breccia and minor pillow basalt. Metasedimentary--slate, phyllite, with metasilstone and metasandstone interbedding. Variable metamorphic gr",null,null,"CV003",555,"Cordova","Metamorphic",2702,null,null,null]
["Kvvs","Valdez Group:  Interbedded volcanic and sedimentary rocks","Late Cretaceous","This unit is composed of approximately equal amounts of interbedded volcanic rocks, consisting of volcanic breccia, tuff, tuffaceous sediment, and minor pillow basalt, and sedimentary rocks, consisting of sandstone, siltstone, shale, and chert.  The two",null,"K-Ar date on amphibote-bearing greenschist of 47.6 +/- 1.4 Ma was reported, those source rocks are now assigned to Orca Group","CV002",554,"Cordova","Igneous",2702,null,null,null]
["Kvv","Valdez Group: Metavolcanic rocks, undivided","Late Cretaceous","Tholeiitic metabasalt and basaltic metatuff, including local pillow lava, pillow breccia, and gabbroic dikes and sills. Metabasalt forms rugged, nearly massive outcrops, whereas semischistose metatuff forms more subdued outcrops. Variable metamorphic gra",null,null,"CV003",515,"Cordova","Metamorphic",2705,null,null,null]
["Kvgr","Valdez Group:  Greenstone","Late Cretaceous","This unit consists of massive greenstone, metamorphosed pillow basalt, and mafic dikes exposed near the heads of Woodworth and Schwan Glaciers.  Elsewhere in the Cordova and Valdez quadrangles, the unit includes lenticular bodies of chorite schist that m",null,null,"CV002",611,"Cordova","Metamorphic",2705,null,null,null]
["Kvt","Tuff","Late Cretaceous","Green to dark-gray fine-grained finely laminated tuff with plagioclase phenocrysts; metamorphosed to chlorite and biotite zones of greenschist facies; chlorite, epidote, and locally actinolite are abundant; remnants of glossy shards are present.",null,null,"BS004",31,"Blying Sound","Igneous",2706,null,null,null]
["Kvt","Tuff","Late Cretaceous","Green to dark-gray fine-grained finely laminated tuff with plagioclase phenocrysts; metamorphosed to chlorite and biotite zones of greenschist facies; chlorite, epidote, and locally actinolite are abundant; remnants of glossy shards are present.",null,null,"SR004",31,"Seward","Igneous",2706,null,null,null]
["Kvu","Valdez Group:  Ultramafic rocks","Late Cretaceous","Dunite, locally with layers of chromite, moderately to mostly altered to serpentine, serpentine-talc, and talc schist; lustrous pale- to dark-green and black, locally reddish weathering rock that forms dike-like and irregularly shaped intrusive bodies",null,null,"SR004",39,"Seward","Igneous",1375,null,null,null]
["Kvu","Valdez Group:  Ultramafic rocks","Late Cretaceous","Serpentinized peridotite and dunite occur at three localities underlain by the Valdez Group:  two of these are on the Resurrection Peninsula and the third is near the head of Port Fidalgo.  On the Resurrection Peninsula small sparse inclusions of altered",null,null,"SR002",553,"Seward","Igneous",1375,null,null,null]
["Kvu","Valdez Group:  Ultramafic rocks","Late Cretaceous","Serpentinized peridotite and dunite occur at three localities underlain by the Valdez Group:  two of these are on the Resurrection Peninsula and the third is near the head of Port Fidalgo.  This description reflects the two localities on the Resurrection",null,null,"CV002",553,"Cordova","Igneous",1375,null,null,null]
["Kvm","Melange of Iceworm Peak","Late Cretaceous","Tectonic melange consisting of blocks of graywacke in a phacoidally cleaved matrix of slate having a Valdez Group protolith for both matrix and blocks.",null,null,"SV002",1071,"Seldovia","Tectonite",2708,null,null,null]
["Kvm","Melange of Iceworm Peak","Late Cretaceous","Tectonic melange consisting of blocks of graywacke in a phacoidally cleaved matrix of slate having a Valdez Group protolith for both matrix and blocks.",null,null,"KN003",3708,"Kenai","Tectonite",2708,null,null,null]
["Kvs","Schist, Valdez Group","Late Cretaceous","Schistose, interbedded siltstone, graywacke, and less abundant tuff, tufaceous sandstone, and basalt (pillow basalt?); igneous rocks are typically dark green, metasiltstone is shiny steel gray, and metasandstone is dark gray; metamorphosed chiefly to bio",null,null,"BS004",41,"Blying Sound","Metamorphic",2710,null,null,null]
["Kvs","Schist, Valdez Group","Late Cretaceous","Schistose, interbedded siltstone, graywacke, and less abundant tuff, tufaceous sandstone, and basalt (pillow basalt?); igneous rocks are typically dark green, metasiltstone is shiny steel gray, and metasandstone is dark gray; metamorphosed chiefly to bio",null,null,"SR004",41,"Seward","Metamorphic",2710,null,null,null]
["Kvm","Valdez Group: Schist","Late Cretaceous","Homogenous pelitic schist and minor amphibolite; includes spotted biotite-plagioclase-quartz schist. Common banding probably represents original layering. Transitional into gneissose rocks to the east and into greenschist-facies rocks of metasedimentary",null,null,"CV003",600,"Cordova","Metamorphic",2710,null,null,null]
["Kvg","Valdez Group: Gneiss","Late Cretaceous","Muscovite-biotite-quartz-plagioclase (+/- sillimanite and garnet) schist, banded gneiss, and migmatitic gneiss; many local intrusive stringers, dikes, and sills of granodiorite and granite. Transitional into schistose rocks to the north, south, and west.",null,null,"CV003",609,"Cordova","Metamorphic",2715,null,null,null]
["Kvg","Valdez Group:  Paragneiss","Late Cretaceous","Predominantly metasedimentary rocks with well-developed gneissic foliation consisting of alternating quartz and feldspar-rich layers with biotite-rich layers.  The paragneiss is brown weathering, medium grained, and banded on a 2 to 4 mm scale.  However,",null,null,"CV002",610,"Cordova","Metamorphic",2715,null,null,null]
["green","Schist","Cretaceous ?","Upper greenschist to amphibolite facies schist derived from metamorphism of interbedded graywacke and argillite of the Valdez Group",null,null,"CV005",507,"Cordova","Metamorphic",2715,null,null,null]
["pink","Transitional gneiss","Age not given","Upper amphibolite facies schist and gneiss interlayered at scale of meters to centimeters.  Top of unit marked by appearance of quartofeldspathic segregations in metapelite and base of unit marked by loss of stratal continuity through development of gnei",null,null,"CV005",508,"Cordova","Metamorphic",2715,null,null,null]
["gray","Gneiss","Age not given","Gray, banded quartzofeldspathic gneiss",null,null,"CV005",509,"Cordova","Metamorphic",2715,null,null,null]
["green","Schist","Cretaceous ?","Upper greenschist to amphibolite facies schist derived from metamorphism of interbedded graywacke and argillite of the Valdez Group",null,null,"CV006",505,"Cordova","Metamorphic",2715,null,null,null]
["pink","Transitional gneiss","Age not given","Upper amphibolite facies schist and gneiss interlayered at scale of meters to centimeters.  Top of unit marked by appearance of quartofeldspathic segregations in metapelite and base of unit marked by loss of stratal continuity through development of gnei",null,null,"CV006",506,"Cordova","Metamorphic",2715,null,null,null]
["gray","Gneiss","Age not given","Gray, banded quartzofeldspathic gneiss",null,null,"CV006",507,"Cordova","Metamorphic",2715,null,null,null]
["orange","Orthogneiss","Age not given","Metamorphosed plutonic rocks.  Mostly Ti2 plutons within the gneissic core of the complex",null,null,"CV006",509,"Cordova","Metamorphic",2715,null,null,null]
["Tgd","Granodioritic rocks","Tertiary","Granodiorite and quartz diorite",null,"Age assigned revised based on Nelson and others (1983)","KN002",1350,"Kenai","Igneous",2900,null,null,null]
["Js","Sedimentary rocks","Jurassic","Sedimentary rocks, undifferentiated",null,null,"SV005",5300,"Seldovia","Sedimentary",3000,null,null,null]
["Js","Sedimentary rocks","Jurassic","Sedimentary rocks, undifferentiated",null,null,"KN011",11300,"Kenai","Sedimentary",3000,null,null,null]
["Jn","Naknek Formation","Late Jurassic (Oxfordian to Kimmeridgian)","Arkose, conglomerate, sandstone, siltstone, and shale","Ammonites and pelecypods, especially Buchia which provides tight age control",null,"SV002",47,"Seldovia","Sedimentary",3010,null,null,null]
["Jn","Naknek Formation","Late Jurassic","Sandstone, arkose, conglomerate, and siltstone",null,null,"KN002",3010,"Kenai","Sedimentary",3010,null,null,null]
["Jnss","Naknek Formation, lower sandstone member","Late Jurassic","Thin-bedded to massive arkosic sandstone, graywacke, and siltstone, mainly restricted to central part of region",null,null,"KN005",516,"Kenai","Sedimentary",3012,null,null,null]
["Jnss","Naknek Formation, lower sandstone member","Late Jurassic","Thin-bedded to massive arkosic sandstone, graywacke, and siltstone, mainly restricted to central part of region",null,null,"SV004",516,"Seldovia","Sedimentary",3012,null,null,null]
["Jns","Naknek Formation, Snug Harbor Siltstone Member","Late Jurassic","Massive to thin-bedded dark-gray to black siltstone; laminated near base",null,null,"KN005",515,"Kenai","Sedimentary",3013,null,null,null]
["Jns","Naknek Formation, Snug Harbor Siltstone Member","Late Jurassic","Massive to thin-bedded dark-gray to black siltstone; laminated near base",null,null,"SV004",515,"Seldovia","Sedimentary",3013,null,null,null]
["Jnp","Naknek Formation, Pomeroy Arkose Member","Late Jurassic","Massive light-gray arkose and arkosic conglomerate; minor interbeds of siltstone",null,null,"KN005",514,"Kenai","Sedimentary",3014,null,null,null]
["Jnp","Naknek Formation, Pomeroy Arkose Member","Late Jurassic","Massive light-gray arkose and arkosic conglomerate; minor interbeds of siltstone",null,null,"SV004",514,"Seldovia","Sedimentary",3014,null,null,null]
["Jnc","Naknek Formation, Chisik Conglomerate Member","Late Jurassic","Massive cobble-boulder conglomerate, mainly restricted to area adjacent to Iniskin Bay and Tuxedni Bay",null,null,"KN005",517,"Kenai","Sedimentary",3016,null,null,null]
["Jcp","Chinitna Formation, Paveloff Siltstone Member","Late Jurassic","Massive to thin-bedded gray arenaceous siltstone, weathers gray, large ellipsoidal concretions and lenticular beds of limestone, massive sandstone unit at base",null,null,"KN005",518,"Kenai","Sedimentary",3020,null,null,null]
["Jcp","Chinitna Formation, Paveloff Siltstone Member","Late Jurassic","Massive to thin-bedded gray arenaceous siltstone, weathers gray, large ellipsoidal concretions and lenticular beds of limestone, massive sandstone unit at base",null,null,"SV004",518,"Seldovia","Sedimentary",3020,null,null,null]
["Jc","Chinitna Formation","Late Jurassic (Callovian)","Primarily dark-gray to brown massive arenacous siltstone containing a few sandstone interbeds and numerous limestone concretions.  Unit is subdivided into members, however not on this map","Abundant fossils, including many species of ammonites:  Cadoceras, C. stenocadoceras, C. pseudocadoceras, Kepplerites, Kheraiceras, Lilloettia, and Gowericeras.  Also especially known for Iniskinites and Chinitnites",null,"SV002",32,"Seldovia","Sedimentary",3025,null,null,null]
["Jc","Chinitna Formation","Late Jurassic","Siltstone, limestone concretions, and sandstone",null,null,"KN002",3030,"Kenai","Sedimentary",3025,null,null,null]
["Jct","Chinitna Formation, Tonnie Siltstone Member","Late Jurassic","Massive to thin-bedded brownish-gray arenaceous siltstone, weathers red-brown, small yellowish-brown limestone concretions in parallel bands, minor sandstone at base",null,null,"KN005",519,"Kenai","Sedimentary",3030,null,null,null]
["Jct","Chinitna Formation, Tonnie Siltstone Member","Late Jurassic","Massive to thin-bedded brownish-gray arenaceous siltstone, weathers red-brown, small yellowish-brown limestone concretions in parallel bands, minor sandstone at base",null,null,"SV004",519,"Seldovia","Sedimentary",3030,null,null,null]
["Jtu","Tuxedni Formation","Middle to Late Jurassic (Bajocian to Callovian)","Light- to dark-gray and green graywacke, conglomerate, siltstone, and shale.  Graywacke ranges from feldspathic to lithic to laumontitic; conglomerate composed mainly of volcanic clasts in a graywacke matrix.  Unit is subdivided into Formation, however n","Abundantly fossiliferous, containing ammonites and pelecypods.  Key ammonites include Erycites, Tmetoceras, Sonninia, Stemmatoceras, Emileia, Stephanoceras, Chondroceras, and many others",null,"SV002",50,"Seldovia","Sedimentary",3180,null,null,null]
["Jt","Tuxedni Formation","Middle Jurassic","Sandstone, siltstone, and limy concretions",null,null,"KN002",3180,"Kenai","Sedimentary",3180,null,null,null]
["Jtb","Tuxedni Group, Bowser Formation","Middle and Late Jurassic","Heterogeneous assemblage of sandstone, conglomerate, shale and siltstone characterized by rapid facies changes.  Massive light- to dark-gray sandstone and conglomerate are the dominant lithologic types on the Iniskin Peninsula.  The sandstone and the con","Abundantly fossiliferous, containing ammonites and pelecypods, the units can be divided into two faunal zones which correspond to the break between the Middle and Upper Jurassic.  The lower faunal zone immediately overlies the unconformity with the Twist",null,"KN005",520,"Kenai","Sedimentary",3181,null,null,null]
["Jtb","Tuxedni Group, Bowser Formation","Middle and Late Jurassic","Heterogeneous assemblage of sandstone, conglomerate, shale and siltstone characterized by rapid facies changes.  Massive light- to dark-gray sandstone and conglomerate are the dominant lithologic types on the Iniskin Peninsula.  The sandstone and the con","Abundantly fossiliferous, containing ammonites and pelecypods, the units can be divided into two faunal zones which correspond to the break between the Middle and Upper Jurassic.  The lower faunal zone immediately overlies the unconformity with the Twist",null,"SV004",520,"Seldovia","Sedimentary",3181,null,null,null]
["Jtt","Tuxedni Group, Twist Creek Siltstone","Middle Jurassic","Soft, poorly consolidated, thin-bedded to massive siltstone and silty shale as much 125-m-thick.  The siltstone is dark-gray, weathering to dark-rusty brown and contains many thin beds of volcanic ash that weather a bright orange color.  Small limestone","Abundant ammonite fauna which includes Oppelia (Liroxyites), Megasphaerceras, Leptoshinctes, Lissoceras, and Normannites (Dettermanites)",null,"KN005",521,"Kenai","Sedimentary",3182,null,null,null]
["Jtt","Tuxedni Group, Twist Creek Siltstone","Middle Jurassic","Soft, poorly consolidated, thin-bedded to massive siltstone and silty shale as much 125-m-thick.  The siltstone is dark-gray, weathering to dark-rusty brown and contains many thin beds of volcanic ash that weather a bright orange color.  Small limestone","Abundant ammonite fauna which includes Oppelia (Liroxyites), Megasphaerceras, Leptoshinctes, Lissoceras, and Normannites (Dettermanites)",null,"SV004",521,"Seldovia","Sedimentary",3182,null,null,null]
["Jtc","Tuxedni Group, Cynthia Falls Sandstone","Middle Jurassic","Massive to thick-bedded graywacke sandstone and pebble conglomerate about 200-m-thick.  The sandstone is medium- to coarse-grained, greenish-gray to dark-green, weathering mottled light-gray due to zeolites and has graded bedding.  The sandstone consists","The sparse fauna includes the ammonites Chondroceras and Stephanoceras as well as the pelecypods Inoceramus sp. and Mytilus sp.",null,"KN005",522,"Kenai","Sedimentary",3183,null,null,null]
["Jtc","Tuxedni Group, Cynthia Falls Sandstone","Middle Jurassic","Massive to thick-bedded graywacke sandstone and pebble conglomerate about 200-m-thick.  The sandstone is medium- to coarse-grained, greenish-gray to dark-green, weathering mottled light-gray due to zeolites and has graded bedding.  The sandstone consists","The sparse fauna includes the ammonites Chondroceras and Stephanoceras as well as the pelecypods Inoceramus sp. and Mytilus sp.",null,"SV004",522,"Seldovia","Sedimentary",3183,null,null,null]
["Jtf","Tuxedni Group, Fitz Creek Siltstone","Middle Jurassic","Thick sequence of massive, bluish dark-gray, arenaceous coarse- to fine-grained siltstone that commonly weathers rusty orange and contains many small limestone concretions.  Interbedded are fine-grained sandstone and, locally, conglomerate interbeds.  In","This unit is abundantly fossiliferous and is the first unit of the Tuxedini Group where ammonites are more numerous than pelecypods.  A few non-diagnostic brachiopods are also present.  The ammonites include Normannites, Teloceras, and Chondroceras and m",null,"KN005",523,"Kenai","Sedimentary",3184,null,null,null]
["Jtf","Tuxedni Group, Fitz Creek Siltstone","Middle Jurassic","Thick sequence of massive, bluish dark-gray, arenaceous coarse- to fine-grained siltstone that commonly weathers rusty orange and contains many small limestone concretions.  Interbedded are fine-grained sandstone and, locally, conglomerate interbeds.  In","This unit is abundantly fossiliferous and is the first unit of the Tuxedini Group where ammonites are more numerous than pelecypods.  A few non-diagnostic brachiopods are also present.  The ammonites include Normannites, Teloceras, and Chondroceras and m",null,"SV004",523,"Seldovia","Sedimentary",3184,null,null,null]
["Jtg","Tuxedni Group, Gaikema Sandstone","Middle Jurassic","Resistant, cliff-forming, massive to thin-bedded graywacke sandstone and cobble conglomerate showing graded bedding.  Conglomerate is confined to the Iniskin Peninsula, clasts in it consist of red and green felsic volcanic rocks, aphanitic igneous rocks","Fossiliferous throughout, containing pelcypods Meleagrinella, Trigonia, and Inoceramus and ammonites Witchellia(?), Stephanceras and locally, Sonninia (Papilliceras), Lissoceras, and Emileia",null,"KN005",524,"Kenai","Sedimentary",3185,null,null,null]
["Jtg","Tuxedni Group, Gaikema Sandstone","Middle Jurassic","Resistant, cliff-forming, massive to thin-bedded graywacke sandstone and cobble conglomerate showing graded bedding.  Conglomerate is confined to the Iniskin Peninsula, clasts in it consist of red and green felsic volcanic rocks, aphanitic igneous rocks","Fossiliferous throughout, containing pelcypods Meleagrinella, Trigonia, and Inoceramus and ammonites Witchellia(?), Stephanceras and locally, Sonninia (Papilliceras), Lissoceras, and Emileia",null,"SV004",524,"Seldovia","Sedimentary",3185,null,null,null]
["Jtr","Tuxedni Group, Red Glacier Formation","Middle Jurassic","Thin-bedded to massive, red-brown weathering dark-gray to moderate olive-gray siltstone concentrated in the upper part of the unit and consisting of about 40 percent of the Formation.  The siltstone is highly arenaceous and locally contains lenticular in","The Red Glacier Formation is most abundantly fossiliferous in its upper parts, no fossils are known from the lower 2000 feet of the unit.  Pelcypods include Meleagrinella, Trigonia, Inoceramus, Camptonectes, and Pleuromya.  Ammonites occur in two distinc",null,"KN005",525,"Kenai","Sedimentary",3186,null,null,null]
["Jtr","Tuxedni Group, Red Glacier Formation","Middle Jurassic","Thin-bedded to massive, red-brown weathering dark-gray to moderate olive-gray siltstone concentrated in the upper part of the unit and consisting of about 40 percent of the Formation.  The siltstone is highly arenaceous and locally contains lenticular in","The Red Glacier Formation is most abundantly fossiliferous in its upper parts, no fossils are known from the lower 2000 feet of the unit.  Pelcypods include Meleagrinella, Trigonia, Inoceramus, Camptonectes, and Pleuromya.  Ammonites occur in two distinc",null,"SV004",525,"Seldovia","Sedimentary",3186,null,null,null]
["Jt","Talkeetna Formation","Early Jurassic (Hettangian to Toarcian)","Mainly volcanic breccia, agglomerate, lava flows, and tuff.  Sedimentary rocks locally interbedded but are minor.  Informally divided into three members, which correlate with formal members elsewhere.  Includes informally named Pogibshi Formation on east",null,null,"SV002",67,"Seldovia","Igneous",3250,null,null,null]
["KJu","Metasedimentary rocks (undivided)","Cretaceous and (or) Jurassic","Weakly metamorphosed slate and graywacke; locally includes volcanic and intrusive rocks, undivided.  Consists of contact metamorposed Talkeetna Formation according to Detterman and others (1976, KN010).",null,null,"KN002",2825,"Kenai","Metamorphic",3250,null,"HFS",null]
["Jtk","Talkeetna Formation","Early Jurassic","Volcanic breccia, tuff, agglomerate, and aphanitic lava flows; as mapped, locally includes Kamishak Formation in Ilianna Quad",null,null,"KN002",3250,"Kenai","Igneous",3250,null,null,null]
["bpT","Jurassic bedrock","Jurassic","Volcanic flows, tuffs, and breccias, metamorphic equivalents, and granodiorite.  Talkeetna Formation and other units",null,null,"KN006",622,"Kenai","Igneous",3250,null,null,null]
["Jtku","Talkeetna Formation, undivided","Early Jurassic","Tuff, sandstone, agglomerate, breccia and some lava flows",null,null,"KN005",529,"Kenai","Igneous",3250,null,null,null]
["Jv","Volcanic rocks","Jurassic","Volcanic rocks, locally includes sedimentary rocks",null,null,"KN009",904,"Kenai","Igneous",3250,null,null,null]
["Jtku","Talkeetna Formation, undivided","Early Jurassic","Tuff, sandstone, agglomerate, breccia and some lava flows",null,null,"SV004",529,"Seldovia","Igneous",3250,null,null,null]
["Mz","Metamorphic rocks","Mesozoic","Schist, hornfels, and amphibolite, contact metamorphosed Talkeetna Formation",null,null,"KN010",1010,"Kenai","Metamorphic",3250,null,"HFS",null]
["sv","Sedimentary and volcanic rocks","Cenozoic and Mesozoic","Cheifly Jurassic volcanic rocks; locally includes Mesozoic and Cenozoic sedimentary and volcanic rocks",null,null,"KN012",1206,"Kenai","Sedimentary",3250,null,null,null]
["Jtkh","Talkeetna Formation, Horn Mountain Tuff Member","Early Jurassic","Mottled andesitic tuff, tuffaceous sandstone, and siltstone, locally contains andesitic flows",null,null,"KN005",526,"Kenai","Sedimentary",3251,null,null,null]
["Jtkp","Talkeetna Formation, Portage Creek Agglomerate Member","Early Jurassic","Massive pink agglomerate and some volcanic breccia; minor andesitic flows, locally metasedimentary rock",null,null,"KN005",527,"Kenai","Igneous",3252,null,null,null]
["Jtkm","Talkeetna Formation, Marsh Creek Breccia Member","Early Jurassic","Massive green volcanic breccia, lava flows, in part of submarine origin, interbedded with argillite and meta tuff, low rank metamorphism mainly confined to lower part",null,null,"KN005",528,"Kenai","Igneous",3253,null,null,null]
["Jt (east)","Talkeetna Formation (Pogibshi Formation)","Early Jurassic (Hettangian to Toarcian)","Mainly volcanic breccia, agglomerate, lava flows, and tuff.  Sedimentary rocks locally interbedded but are minor.  Informally named Pogibshi Formation on east side of Cook Inlet",null,null,"SV002",67,"Seldovia","Igneous",3265,null,null,null]
["Jth","Trondjemite","Jurassic","Trondjemite",null,null,"KN012",1204,"Kenai","Igneous",3380,null,null,null]
["Jg","Granitic rocks","Jurassic","Granitic rocks of the Alaska-Aleutian Range batholith",null,null,"KN011",11340,"Kenai","Igneous",3400,null,null,null]
["Jgd","Quartz monzonite","Jurassic","Quartz monzonite",null,null,"KN002",3402,"Kenai","Igneous",3402,null,null,null]
["Jqm","Quartz monzonite","Jurassic","Medium- to coarse-grained pink to gray granitic-textured quartz monzonite",null,null,"KN005",532,"Kenai","Igneous",3402,null,null,null]
["Jqd","Quartz diorite, diorite, and granodiorite","Jurassic","Quartz diorite, diorite, and granodiorite",null,null,"KN002",3403,"Kenai","Igneous",3403,null,null,null]
["Jd","Diorite of Point Bede","Jurassic(?)","Fine- to medium-grained nonfoliated quartz diorite.",null,null,"SV002",111,"Seldovia","Igneous",3404,null,null,null]
["Jto","Tonalite of Dogfish Bay","Jurassic(?)","Medium-grained nonfoliated tonalite.",null,null,"SV002",116,"Seldovia","Igneous",3404,null,null,null]
["Jqd","Quartz diorite","Jurassic","Mainly biotite-hornblende-quartz dioriite",null,null,"KN005",533,"Kenai","Igneous",3404,null,null,null]
["di","Quartz diroite dikes","Jurassic","Quartz diorite dikes",null,null,"KN005",537,"Kenai","Igneous",3404,null,null,null]
["Ju","Plutonic rocks, undivided","Jurassic","Plutonic rocks, undivided; chiefly tonalite and trondhjemite",null,null,"KN009",903,"Kenai","Igneous",3404,null,null,null]
["JT","Tonalite","Jurassic","Tonalite, includes hornblendite, hornblende-biotite quartz diorite, and rare granodiorite, quartz monzonite, and granite",null,null,"KN012",1205,"Kenai","Igneous",3404,null,null,null]
["la","Lamprophyre dikes","Jurassic","Lamprophyre dikes",null,null,"KN005",534,"Kenai","Igneous",3420,null,null,null]
["Jsm","Seldovia metamorphic complex","Early Jurassic","Marble, quartzite, garnet-mica schist, and glaucophane-bearing amphibolite",null,"191.1 and 191.7 Ma Ar-Ar on white mica and 191.9 Ma Ar-Ar on hornblende","SV002",10,"Seldovia","Metamorphic",3610,null,null,null]
["JTrp","Port Graham Formation of Kelley (1980)","Early Jurassic and Late Triassic","Dark-gray, carbonaceous limestone and silty limestone, also includes tuff, tuffaceous sedimentary rocks, and chert.  Most of unit considered Norian in age.","Bivalves of Late Triassic (Norian) age",null,"SV002",60,"Seldovia","Sedimentary",4019,null,null,null]
["Trk","Kamishak Formation","Late Triassic","Limestone, grey to black chert, and porcellanite",null,null,"KN002",4020,"Kenai","Sedimentary",4020,null,null,null]
["J(?)f","Felsite","Jurassic(?) or early Tertiary(?)","Fine-grained aphanitic, light gray felsite",null,null,"SV002",115,"Seldovia","Igneous",4310,null,null,null]
["Jd","Diorite of Point Bede","Jurassic(?)","Fine- to medium-grained nonfoliated quartz diorite.",null,"Newly determined zircon age of approx. 206 Ma","SV008",111,"Seldovia","Igneous",4310,null,null,null]
["Jto","Tonalite of Dogfish Bay","Jurassic(?)","Medium-grained nonfoliated tonalite.",null,"Assigned new nsaclass based on date of Diorite of Point Bede by Dwight Bradley.","SV008",116,"Seldovia","Igneous",4310,null,null,null]
["Mg","Gabbro","Mesozoic","Dark-green, medium- to coarse-grained gabbro and minor leucogabbro and plagiogranite.  Associated with McHugh Complex as fault-bounded bodies.",null,null,"SV002",112,"Seldovia","Igneous",4880,null,null,null]
["Mu","Ultramafic plutonic rocks","Mesozoic","Predominantly layered, variably serpentinized dunite containing rare to locally abundant layers of chromitite and pyroxenite and fault slices of garnet pyroxenite and serpintinite.  Associated with McHugh Complex as fault-bounded bodies.",null,null,"SV002",110,"Seldovia","Igneous",4890,null,null,null]
["Trm","Metamorphic rocks, undivided","Late(?) Triassic","Metalimestone, argillite, quartzite, metatuff, greenstone, and phyllite; may in part be equivalent to the Kamishak Formation",null,null,"KN005",530,"Kenai","Metamorphic",5220,null,null,null]
["as","Amphibolite","Early Mesozoic(?)","Amphibolite, locally includes sedimentary rocks",null,null,"KN009",906,"Kenai","Metamorphic",5220,null,null,null]