{"text_format":"dbase-jsonl-2026-09-30","columns":[{"name":"NSACLASS","type":"number","width":5,"decimals":0},{"name":"NSAMOD","type":"character","width":1},{"name":"CLASS","type":"number","width":4,"decimals":0},{"name":"MAP_UNIT","type":"character","width":6},{"name":"SOURCE","type":"character","width":5},{"name":"UNIT_NAME","type":"character","width":62},{"name":"DESCRIPTIO","type":"character","width":254},{"name":"AGE","type":"character","width":36},{"name":"FOSSIL","type":"character","width":254},{"name":"RADIOMETRI","type":"character","width":254},{"name":"QUADRANGLE","type":"character","width":17},{"name":"ROCK_CLASS","type":"character","width":14},{"name":"QCLASS","type":"number","width":4,"decimals":0}],"n_rows":387,"rows_kept":387,"cut":false,"deleted_skipped":0,"read_ended":"whole","bounds":"16MiB/16384/4096/first_that_fit","version":"dbase_level_three","encoding_class":"enc_absent","reader":"statdb_count/9"}
[98,null,98,null,"SD016","Areas not mapped","Areas not to be filled that lie within coverage, typically not mapped.","Unknown",null,null,"Sumdum",null,null]
[98,null,98,null,"TR008","Areas not mapped","Areas not to be filled that lie within coverage, typically not mapped.","Unknown",null,null,"Taku River",null,null]
[98,null,98,null,"JU012","Areas not mapped","Areas not to be filled that lie within coverage, typically not mapped.","Unknown",null,null,"Juneau",null,null]
[100,null,4500,"Qs","BC006","Surficial sedimentary deposits","Unnamed lacustrine, fluvial, colluvial, glacial, beach, and marine deposits.","Quaternary",null,null,"Bradfield Canal","Unconsolidated",1000]
[100,null,4500,"Qs","CR012","Surficial sedimentary deposits","Unnamed lacustrine, fluvial, colluvial, glacial, beach, and marine deposits.","Quaternary",null,null,"Craig","Unconsolidated",1000]
[100,null,4500,"Qs","JU012","Surficial sedimentary deposits","Unnamed lacustrine, fluvial, colluvial, glacial, beach, and marine deposits.","Quaternary",null,null,"Juneau","Unconsolidated",1000]
[100,null,4500,"Qs","KC013","Surficial sedimentary deposits","Unnamed lacustrine, fluvial, colluvial, glacial, beach, and marine deposits.","Quaternary",null,null,"Ketchikan","Unconsolidated",1000]
[100,null,4500,"Qs","MF011","Surficial sedimentary deposits","Unnamed lacustrine, fluvial, colluvial, glacial, beach, and marine deposits.","Quaternary",null,null,"Mount Fairweather","Unconsolidated",1000]
[100,null,4500,"Qs","PA006","Surficial sedimentary deposits","Unnamed lacustrine, fluvial, colluvial, glacial, beach, and marine deposits.","Quaternary",null,null,"Port Alexander","Unconsolidated",1000]
[100,null,4500,"Qs","PE006","Surficial sedimentary deposits","Unnamed lacustrine, fluvial, colluvial, glacial, beach, and marine deposits.","Quaternary",null,null,"Petersburg","Unconsolidated",1000]
[100,null,4500,"Qs","PR003","Surficial sedimentary deposits","Unnamed lacustrine, fluvial, colluvial, glacial, beach, and marine deposits.","Quaternary",null,null,"Prince Rupert","Unconsolidated",1000]
[100,null,4500,"Qs","SD016","Surficial sedimentary deposits","Unnamed lacustrine, fluvial, colluvial, glacial, beach, and marine deposits.","Quaternary",null,null,"Sumdum","Unconsolidated",1000]
[100,null,4500,"Qs","SI009","Surficial sedimentary deposits","Unnamed lacustrine, fluvial, colluvial, glacial, beach, and marine deposits.","Quaternary",null,null,"Sitka","Unconsolidated",1000]
[100,null,4500,"Qs","SK015","Surficial sedimentary deposits","Unnamed lacustrine, fluvial, colluvial, glacial, beach, and marine deposits.","Quaternary",null,null,"Skagway","Unconsolidated",1000]
[100,null,4500,"Qs","TR008","Surficial sedimentary deposits","Unnamed lacustrine, fluvial, colluvial, glacial, beach, and marine deposits.","Quaternary",null,null,"Taku River","Unconsolidated",1000]
[450,null,4510,"QTv","CR012","Volcanic rocks","Basalt, andesite, dacite and rhyolitic rocks.","Quaternary and Tertiary",null,null,"Craig","Igneous",4500]
[450,null,4510,"QTv","KC013","Volcanic rocks","Basalt, andesite, dacite and rhyolitic rocks.","Quaternary and Tertiary",null,null,"Ketchikan","Igneous",4500]
[450,null,4510,"QTv","PA006","Volcanic rocks","Basalt, andesite, dacite and rhyolitic rocks.","Quaternary and Tertiary",null,null,"Port Alexander","Igneous",4500]
[450,null,4510,"QTv","PE006","Volcanic rocks","Basalt, andesite, dacite and rhyolitic rocks.","Quaternary and Tertiary",null,null,"Petersburg","Igneous",4500]
[450,null,4510,"QTv","SI009","Volcanic rocks","Basalt, andesite, dacite and rhyolitic rocks.","Quaternary and Tertiary",null,null,"Sitka","Igneous",4500]
[500,null,4540,"Ts","MF011","Sedimentary rocks","Nonmarine sandstone, shale, conglomerate, and marine calcareous sandstone and siltstone","Tertiary",null,null,"Mount Fairweather","Sedimentary",null]
[500,null,4540,"Ts","PE006","Sedimentary rocks","Nonmarine sandstone, shale, conglomerate, and marine calcareous sandstone and siltstone","Tertiary",null,null,"Petersburg","Sedimentary",null]
[500,null,4540,"Ts","SI009","Sedimentary rocks","Nonmarine sandstone, shale, conglomerate, and marine calcareous sandstone and siltstone","Tertiary",null,null,"Sitka","Sedimentary",null]
[565,null,4520,"QTs","MF011","Sedimentary rocks","Pleistocene to Miocene marine mudstone, siltstone, sandstone, and conglomerate.","Quaternary and Tertiary",null,null,"Mount Fairweather","Sedimentary",null]
[794,null,4550,"Tsv","SK015","Sedimentary and volcanic rocks, undivided","Carbonaceous shale, sandstone, conglomerate, and subordinate volcanic rocks.","Tertiary",null,null,"Skagway","Sedimentary",null]
[1059,null,4530,"Tv","JU012","Volcanic rocks","Oligocene and Eocene basalt and andesite.","Tertiary",null,null,"Juneau","Igneous",null]
[1059,null,4530,"Tv","MF011","Volcanic rocks","Oligocene and Eocene basalt and andesite.","Tertiary",null,null,"Mount Fairweather","Igneous",null]
[1059,null,4530,"Tv","SI009","Volcanic rocks","Oligocene and Eocene basalt and andesite.","Tertiary",null,null,"Sitka","Igneous",null]
[1250,null,5160,"Tgr","BC006","Granite","Biotite +/- hornblende +/- pyroxene granite, alkali granite, quartz monzonite, and subordinate syenite, granodiorite, and diorite.","Tertiary (Miocene and Oligocene)",null,"Stocks on mainland southeast of Revillagigedo Island yield potassium-argon apparent ages of early Miocene and Oligocene (Berg and others, 1978, 1988).","Bradfield Canal","Igneous",null]
[1250,null,5160,"Tgr","CR012","Granite","Biotite +/- hornblende +/- pyroxene granite, alkali granite, quartz monzonite, and subordinate syenite, granodiorite, and diorite.","Tertiary (Miocene and Oligocene)",null,"Stocks on mainland southeast of Revillagigedo Island yield potassium-argon apparent ages of early Miocene and Oligocene (Berg and others, 1978, 1988).","Craig","Igneous",null]
[1250,null,5160,"Tgr","KC013","Granite","Biotite +/- hornblende +/- pyroxene granite, alkali granite, quartz monzonite, and subordinate syenite, granodiorite, and diorite.","Tertiary (Miocene and Oligocene)",null,"Stocks on mainland southeast of Revillagigedo Island yield potassium-argon apparent ages of early Miocene and Oligocene (Berg and others, 1978, 1988).","Ketchikan","Igneous",null]
[1250,null,5160,"Tgr","PA006","Granite","Biotite +/- hornblende +/- pyroxene granite, alkali granite, quartz monzonite, and subordinate syenite, granodiorite, and diorite.","Tertiary (Miocene and Oligocene)",null,"Stocks on mainland southeast of Revillagigedo Island yield potassium-argon apparent ages of early Miocene and Oligocene (Berg and others, 1978, 1988).","Port Alexander","Igneous",null]
[1250,null,5160,"Tgr","PE006","Granite","Biotite +/- hornblende +/- pyroxene granite, alkali granite, quartz monzonite, and subordinate syenite, granodiorite, and diorite.","Tertiary (Miocene and Oligocene)",null,"Stocks on mainland southeast of Revillagigedo Island yield potassium-argon apparent ages of early Miocene and Oligocene (Berg and others, 1978, 1988).","Petersburg","Igneous",null]
[1250,null,5160,"Tgr","SK015","Granite","Biotite +/- hornblende +/- pyroxene granite, alkali granite, quartz monzonite, and subordinate syenite, granodiorite, and diorite.","Tertiary (Miocene and Oligocene)",null,"Stocks on mainland southeast of Revillagigedo Island yield potassium-argon apparent ages of early Miocene and Oligocene (Berg and others, 1978, 1988).","Skagway","Igneous",null]
[1254,null,5150,"Tgb","BC006","Gabbro","Layered and locally zoned bodies of two-pyroxene +/- olivine +/- biotite +/- hornblende +/- quartz gabbro and subordinate troctolite, peridotite, leucogabbro, diorite, and tonalite.","Tertiary (Miocene and Oligocene)",null,"Stocks on Revilagigedo Island and adjacent area of mainland yield potassium-argon apparent ages of early Miocene and late Oligocene (Smith and Diggles, 1981), and large body (La Perouse gabbro) northwest of Cross Sound yields a 40Ar/39Ar apparent age of","Bradfield Canal","Igneous",null]
[1254,null,5150,"Tgb","KC013","Gabbro","Layered and locally zoned bodies of two-pyroxene +/- olivine +/- biotite +/- hornblende +/- quartz gabbro and subordinate troctolite, peridotite, leucogabbro, diorite, and tonalite.","Tertiary (Miocene and Oligocene)",null,"Stocks on Revilagigedo Island and adjacent area of mainland yield potassium-argon apparent ages of early Miocene and late Oligocene (Smith and Diggles, 1981), and large body (La Perouse gabbro) northwest of Cross Sound yields a 40Ar/39Ar apparent age of","Ketchikan","Igneous",null]
[1254,null,5150,"Tgb","MF011","Gabbro","Layered and locally zoned bodies of two-pyroxene +/- olivine +/- biotite +/- hornblende +/- quartz gabbro and subordinate troctolite, peridotite, leucogabbro, diorite, and tonalite.","Tertiary (Miocene and Oligocene)",null,"Stocks on Revilagigedo Island and adjacent area of mainland yield potassium-argon apparent ages of early Miocene and late Oligocene (Smith and Diggles, 1981), and large body (La Perouse gabbro) northwest of Cross Sound yields a 40Ar/39Ar apparent age of","Mount Fairweather","Igneous",null]
[1254,null,5150,"Tgb","PE006","Gabbro","Layered and locally zoned bodies of two-pyroxene +/- olivine +/- biotite +/- hornblende +/- quartz gabbro and subordinate troctolite, peridotite, leucogabbro, diorite, and tonalite.","Tertiary (Miocene and Oligocene)",null,"Stocks on Revilagigedo Island and adjacent area of mainland yield potassium-argon apparent ages of early Miocene and late Oligocene (Smith and Diggles, 1981), and large body (La Perouse gabbro) northwest of Cross Sound yields a 40Ar/39Ar apparent age of","Petersburg","Igneous",null]
[1254,null,5150,"Tgb","SI009","Gabbro","Layered and locally zoned bodies of two-pyroxene +/- olivine +/- biotite +/- hornblende +/- quartz gabbro and subordinate troctolite, peridotite, leucogabbro, diorite, and tonalite.","Tertiary (Miocene and Oligocene)",null,"Stocks on Revilagigedo Island and adjacent area of mainland yield potassium-argon apparent ages of early Miocene and late Oligocene (Smith and Diggles, 1981), and large body (La Perouse gabbro) northwest of Cross Sound yields a 40Ar/39Ar apparent age of","Sitka","Igneous",null]
[1273,null,5170,"Tgd","MF011","Granodiorite","Biotite +/- hornblende +/- muscovite +/- garnet granodiorite, granite, quartz monzonite, tonalite, and quartz diorite.  (Where shown having a stippled overprint on map, consists of undifferentiated intrusive and stratified rocks where the map unit symbol","Tertiary (Oligocene and Eocene)",null,"Where dated, these intrusive bodies yield Eocene potassium-argon apparent ages (Loney and others, 1975; Decker and Plafker, 1982; Johnson and Karl, 1985; Brew and others, 1978).","Mount Fairweather","Igneous",null]
[1273,null,5170,"Tgd","PA006","Granodiorite","Biotite +/- hornblende +/- muscovite +/- garnet granodiorite, granite, quartz monzonite, tonalite, and quartz diorite.  (Where shown having a stippled overprint on map, consists of undifferentiated intrusive and stratified rocks where the map unit symbol","Tertiary (Oligocene and Eocene)",null,"Where dated, these intrusive bodies yield Eocene potassium-argon apparent ages (Loney and others, 1975; Decker and Plafker, 1982; Johnson and Karl, 1985; Brew and others, 1978).","Port Alexander","Igneous",null]
[1273,null,5170,"Tgd","SI009","Granodiorite","Biotite +/- hornblende +/- muscovite +/- garnet granodiorite, granite, quartz monzonite, tonalite, and quartz diorite.  (Where shown having a stippled overprint on map, consists of undifferentiated intrusive and stratified rocks where the map unit symbol","Tertiary (Oligocene and Eocene)",null,"Where dated, these intrusive bodies yield Eocene potassium-argon apparent ages (Loney and others, 1975; Decker and Plafker, 1982; Johnson and Karl, 1985; Brew and others, 1978).","Sitka","Igneous",null]
[1273,null,5170,"Tgd","SK015","Granodiorite","Biotite +/- hornblende +/- muscovite +/- garnet granodiorite, granite, quartz monzonite, tonalite, and quartz diorite.","Tertiary (Oligocene and Eocene)",null,"Where dated, these intrusive bodies yield Eocene potassium-argon apparent ages (Loney and others, 1975; Decker and Plafker, 1982; Johnson and Karl, 1985; Brew and others, 1978).","Skagway","Igneous",null]
[1273,"Q",5171,"Tgd?","JU012","Granodiorite","Biotite +/- hornblende +/- muscovite +/- garnet granodiorite, granite, quartz monzonite, tonalite, and quartz diorite.","Tertiary (Oligocene and Eocene)",null,"Where dated, these intrusive bodies yield Eocene potassium-argon apparent ages (Loney and others, 1975; Decker and Plafker, 1982; Johnson and Karl, 1985; Brew and others, 1978).","Juneau","Igneous",null]
[1273,"Q",5171,"Tgd ?","SK015","Granodiorite","Biotite +/- hornblende +/- muscovite +/- garnet granodiorite, granite, quartz monzonite, tonalite, and quartz diorite.","Tertiary (Oligocene and Eocene)",null,"Where dated, these intrusive bodies yield Eocene potassium-argon apparent ages (Loney and others, 1975; Decker and Plafker, 1982; Johnson and Karl, 1985; Brew and others, 1978).","Skagway","Igneous",null]
[1305,null,5180,"Tg","BC006","Granodiorite","Biotite-dominant, hornblende- and sphene-bearing granodiorite and subordinate quartz monzonite, quartz diorite, and leucogranite.","Tertiary (Eocene)",null,"Concordant potassium-argon apparent ages on hornblende and biotite (Forbes and Engels, 1970; Smith and others, 1979) and uranium-lead (zircon) apparent ages (Gehrels and others, 1984) indicate emplacement during Eocene time.","Bradfield Canal","Igneous",null]
[1305,null,5180,"Tg","JU012","Granodiorite","Biotite-dominant, hornblende- and sphene-bearing granodiorite and subordinate quartz monzonite, quartz diorite, and leucogranite.  (Where shown having a stippled overprint on map, consists of undifferentiated intrusive and stratified rocks where the map","Tertiary (Eocene)",null,"Concordant potassium-argon apparent ages on hornblende and biotite (Forbes and Engels, 1970; Smith and others, 1979) and uranium-lead (zircon) apparent ages (Gehrels and others, 1984) indicate emplacement during Eocene time.","Juneau","Igneous",null]
[1305,null,5180,"Tg","KC013","Granodiorite","Biotite-dominant, hornblende- and sphene-bearing granodiorite and subordinate quartz monzonite, quartz diorite, and leucogranite.","Tertiary (Eocene)",null,"Concordant potassium-argon apparent ages on hornblende and biotite (Forbes and Engels, 1970; Smith and others, 1979) and uranium-lead (zircon) apparent ages (Gehrels and others, 1984) indicate emplacement during Eocene time.","Ketchikan","Igneous",null]
[1305,null,5180,"Tg","PE006","Granodiorite","Biotite-dominant, hornblende- and sphene-bearing granodiorite and subordinate quartz monzonite, quartz diorite, and leucogranite.  (Where shown having a stippled overprint on map, consists of undifferentiated intrusive and stratified rocks where the map","Tertiary (Eocene)",null,"Concordant potassium-argon apparent ages on hornblende and biotite (Forbes and Engels, 1970; Smith and others, 1979) and uranium-lead (zircon) apparent ages (Gehrels and others, 1984) indicate emplacement during Eocene time.","Petersburg","Igneous",null]
[1305,null,5180,"Tg","PR003","Granodiorite","Biotite-dominant, hornblende- and sphene-bearing granodiorite and subordinate quartz monzonite, quartz diorite, and leucogranite.","Tertiary (Eocene)",null,"Concordant potassium-argon apparent ages on hornblende and biotite (Forbes and Engels, 1970; Smith and others, 1979) and uranium-lead (zircon) apparent ages (Gehrels and others, 1984) indicate emplacement during Eocene time.","Prince Rupert","Igneous",null]
[1305,null,5180,"Tg","SD016","Granodiorite","Biotite-dominant, hornblende- and sphene-bearing granodiorite and subordinate quartz monzonite, quartz diorite, and leucogranite.  (Where shown having a stippled overprint on map, consists of undifferentiated intrusive and stratified rocks where the map","Tertiary (Eocene)",null,"Concordant potassium-argon apparent ages on hornblende and biotite (Forbes and Engels, 1970; Smith and others, 1979) and uranium-lead (zircon) apparent ages (Gehrels and others, 1984) indicate emplacement during Eocene time.","Sumdum","Igneous",null]
[1305,null,5180,"Tg","SK015","Granodiorite","Biotite-dominant, hornblende- and sphene-bearing granodiorite and subordinate quartz monzonite, quartz diorite, and leucogranite.","Tertiary (Eocene)",null,"Concordant potassium-argon apparent ages on hornblende and biotite (Forbes and Engels, 1970; Smith and others, 1979) and uranium-lead (zircon) apparent ages (Gehrels and others, 1984) indicate emplacement during Eocene time.","Skagway","Igneous",null]
[1305,null,5180,"Tg","TR008","Granodiorite","Biotite-dominant, hornblende- and sphene-bearing granodiorite and subordinate quartz monzonite, quartz diorite, and leucogranite.  (Where shown having a stippled overprint on map, consists of undifferentiated intrusive and stratified rocks where the map","Tertiary (Eocene)",null,"Concordant potassium-argon apparent ages on hornblende and biotite (Forbes and Engels, 1970; Smith and others, 1979) and uranium-lead (zircon) apparent ages (Gehrels and others, 1984) indicate emplacement during Eocene time.","Taku River","Igneous",null]
[1305,"Q",5181,"Tg?","JU012","Granodiorite","Biotite-dominant, hornblende- and sphene-bearing granodiorite and subordinate quartz monzonite, quartz diorite, and leucogranite.","Tertiary (Eocene)",null,"Concordant potassium-argon apparent ages on hornblende and biotite (Forbes and Engels, 1970; Smith and others, 1979) and uranium-lead (zircon) apparent ages (Gehrels and others, 1984) indicate emplacement during Eocene time.","Juneau","Igneous",null]
[1350,null,5190,"Tgt","PE006","Granodiorite and tonalite","Biotite-dominant, hornblende-bearing granodiorite and tonalite containing local foliation and layering.","Tertiary (Paleocene)",null,"Uranium-lead (zircon) data indicate emplacement during Paleocene time (Gehrels and others, 1984).","Petersburg","Igneous",null]
[1350,null,5190,"Tgt","SK015","Granodiorite and tonalite","Biotite-dominant, hornblende-bearing granodiorite and tonalite containing local foliation and layering.","Tertiary (Paleocene)",null,"Uranium-lead (zircon) data indicate emplacement during Paleocene time (Gehrels and others, 1984).","Skagway","Igneous",null]
[1350,"Q",5191,"Tgt?","BC006","Granodiorite and tonalite","Biotite-dominant, hornblende-bearing granodiorite and tonalite containing local foliation and layering.","Tertiary (Paleocene)",null,"Uranium-lead (zircon) data indicate emplacement during Paleocene time (Gehrels and others, 1984).","Bradfield Canal","Igneous",null]
[1350,"Q",5191,"Tgt?","JU012","Granodiorite and tonalite","Biotite-dominant, hornblende-bearing granodiorite and tonalite containing local foliation and layering.","Tertiary (Paleocene)",null,"Uranium-lead (zircon) data indicate emplacement during Paleocene time (Gehrels and others, 1984).","Juneau","Igneous",null]
[1350,"Q",5191,"Tgt?","PE006","Granodiorite and tonalite","Biotite-dominant, hornblende-bearing granodiorite and tonalite containing local foliation and layering.","Tertiary (Paleocene)",null,"Uranium-lead (zircon) data indicate emplacement during Paleocene time (Gehrels and others, 1984).","Petersburg","Igneous",null]
[1655,null,5210,"TKg","BC006","Granodiorite","Diverse assemblage of generally foliated and layered granodiorite, quartz monzonite, tonalite, and their metamorphic equivalents. May include a significant component of pre-Tertiary metasedimentary and metavolcanic rocks (pTmsv) in some areas.  (Where sh","Tertiary (Paleocene) and Cretaceous",null,null,"Bradfield Canal","Igneous",null]
[1655,null,5210,"TKg","KC013","Granodiorite","Diverse assemblage of generally foliated and layered granodiorite, quartz monzonite, tonalite, and their metamorphic equivalents. May include a significant component of pre-Tertiary metasedimentary and metavolcanic rocks (pTmsv) in some areas.  (Where sh","Tertiary (Paleocene) and Cretaceous",null,null,"Ketchikan","Igneous",null]
[1655,null,5210,"TKg","PE006","Granodiorite","Diverse assemblage of generally foliated and layered granodiorite, quartz monzonite, tonalite, and their metamorphic equivalents. Includes a significant component of pre-Tertiary metasedimentary and metavolcanic rocks (pTmsv).  (Where shown having a stip","Tertiary (Paleocene) and Cretaceous",null,null,"Petersburg","Igneous",null]
[1655,null,5210,"TKg","PR003","Granodiorite","Diverse assemblage of generally foliated and layered granodiorite, quartz monzonite, tonalite, and their metamorphic equivalents. May include a significant component of pre-Tertiary metasedimentary and metavolcanic rocks (pTmsv) in some areas","Tertiary (Paleocene) and Cretaceous",null,null,"Prince Rupert","Igneous",null]
[1655,null,5210,"TKg","SD016","Granodiorite","Diverse assemblage of generally foliated and layered granodiorite, quartz monzonite, tonalite, and their metamorphic equivalents. May include a significant component of pre-Tertiary metasedimentary and metavolcanic rocks (pTmsv) in some areas","Tertiary (Paleocene) and Cretaceous",null,null,"Sumdum","Igneous",null]
[1655,null,5210,"TKg","SK015","Granodiorite","Diverse assemblage of generally foliated and layered granodiorite, quartz monzonite, tonalite, and their metamorphic equivalents. May include a significant component of pre-Tertiary metasedimentary and metavolcanic rocks (pTmsv) in some areas","Tertiary (Paleocene) and Cretaceous",null,null,"Skagway","Igneous",null]
[1655,"Q",5211,"TKg?","SD016","Granodiorite","Diverse assemblage of generally foliated and layered granodiorite, quartz monzonite, tonalite, and their metamorphic equivalents. May include a significant component of pre-Tertiary metasedimentary and metavolcanic rocks (pTmsv) in some areas","Tertiary (Paleocene) and Cretaceous",null,null,"Sumdum","Igneous",null]
[1662,null,5200,"TKt","BC006","Tonalite","Hornblende-dominant, biotite-bearing tonalite and subordinate quartz diorite found as steeply dipping, foliated, and locally lineated sills.","Tertiary (Paleocene) and Cretaceous",null,"Field and uranium-lead (zircon) data indicate emplacement in Paleocene and Late Cretaceous time, during waning stages of deformation and metamorphism in Coast Mountains (Gehrels and others, 1984; Brew and Ford, 1981).","Bradfield Canal","Igneous",null]
[1662,null,5200,"TKt","JU012","Tonalite","Hornblende-dominant, biotite-bearing tonalite and subordinate quartz diorite found as steeply dipping, foliated, and locally lineated sills.","Tertiary (Paleocene) and Cretaceous",null,"Field and uranium-lead (zircon) data indicate emplacement in Paleocene and Late Cretaceous time, during waning stages of deformation and metamorphism in Coast Mountains (Gehrels and others, 1984; Brew and Ford, 1981).","Juneau","Igneous",null]
[1662,null,5200,"TKt","KC013","Tonalite","Hornblende-dominant, biotite-bearing tonalite and subordinate quartz diorite found as steeply dipping, foliated, and locally lineated sills.","Tertiary (Paleocene) and Cretaceous",null,"Field and uranium-lead (zircon) data indicate emplacement in Paleocene and Late Cretaceous time, during waning stages of deformation and metamorphism in Coast Mountains (Gehrels and others, 1984; Brew and Ford, 1981).","Ketchikan","Igneous",null]
[1662,null,5200,"TKt","PE006","Tonalite","Hornblende-dominant, biotite-bearing tonalite and subordinate quartz diorite found as steeply dipping, foliated, and locally lineated sills.","Tertiary (Paleocene) and Cretaceous",null,"Field and uranium-lead (zircon) data indicate emplacement in Paleocene and Late Cretaceous time, during waning stages of deformation and metamorphism in Coast Mountains (Gehrels and others, 1984; Brew and Ford, 1981).","Petersburg","Igneous",null]
[1662,null,5200,"TKt","PR003","Tonalite","Hornblende-dominant, biotite-bearing tonalite and subordinate quartz diorite found as steeply dipping, foliated, and locally lineated sills.","Tertiary (Paleocene) and Cretaceous",null,"Field and uranium-lead (zircon) data indicate emplacement in Paleocene and Late Cretaceous time, during waning stages of deformation and metamorphism in Coast Mountains (Gehrels and others, 1984; Brew and Ford, 1981).","Prince Rupert","Igneous",null]
[1662,null,5200,"TKt","SD016","Tonalite","Hornblende-dominant, biotite-bearing tonalite and subordinate quartz diorite found as steeply dipping, foliated, and locally lineated sills.","Tertiary (Paleocene) and Cretaceous",null,"Field and uranium-lead (zircon) data indicate emplacement in Paleocene and Late Cretaceous time, during waning stages of deformation and metamorphism in Coast Mountains (Gehrels and others, 1984; Brew and Ford, 1981).","Sumdum","Igneous",null]
[1662,null,5200,"TKt","SK015","Tonalite","Hornblende-dominant, biotite-bearing tonalite and subordinate quartz diorite found as steeply dipping, foliated, and locally lineated sills.","Tertiary (Paleocene) and Cretaceous",null,"Field and uranium-lead (zircon) data indicate emplacement in Paleocene and Late Cretaceous time, during waning stages of deformation and metamorphism in Coast Mountains (Gehrels and others, 1984; Brew and Ford, 1981).","Skagway","Igneous",null]
[1662,null,5200,"TKt","TR008","Tonalite","Hornblende-dominant, biotite-bearing tonalite and subordinate quartz diorite found as steeply dipping, foliated, and locally lineated sills.","Tertiary (Paleocene) and Cretaceous",null,"Field and uranium-lead (zircon) data indicate emplacement in Paleocene and Late Cretaceous time, during waning stages of deformation and metamorphism in Coast Mountains (Gehrels and others, 1984; Brew and Ford, 1981).","Taku River","Igneous",null]
[1662,"Q",5201,"TKt?","PE006","Tonalite","Hornblende-dominant, biotite-bearing tonalite and subordinate quartz diorite found as steeply dipping, foliated, and locally lineated sills.","Tertiary (Paleocene) and Cretaceous",null,"Field and uranium-lead (zircon) data indicate emplacement in Paleocene and Late Cretaceous time, during waning stages of deformation and metamorphism in Coast Mountains (Gehrels and others, 1984; Brew and Ford, 1981).","Petersburg","Igneous",null]
[2340,null,4600,"KJv","JU012","Volcanic rocks","Andesite to basaltic flows, flow breccia, agglomerate, and tuff (generally containing conspicuous clinopyroxene phenocrysts), subordinate graywacke and mudstone, and regionally metamorphosed and deformed equivalents of these strata. Greenschist facies me","Cretaceous and Jurassic",null,null,"Juneau","Igneous",null]
[2340,null,4600,"KJv","KC013","Volcanic rocks","Andesite to basaltic flows, flow breccia, agglomerate, and tuff (generally containing conspicuous clinopyroxene phenocrysts), subordinate graywacke and mudstone, and regionally metamorphosed and deformed equivalents of these strata. Greenschist facies me","Cretaceous and Jurassic",null,null,"Ketchikan","Igneous",null]
[2340,null,4600,"KJv","PE006","Volcanic rocks","Andesite to basaltic flows, flow breccia, agglomerate, and tuff (generally containing conspicuous clinopyroxene phenocrysts), subordinate graywacke and mudstone, and regionally metamorphosed and deformed equivalents of these strata. Greenschist facies me","Cretaceous and Jurassic",null,null,"Petersburg","Igneous",null]
[2340,null,4600,"KJv","SD016","Volcanic rocks","Andesite to basaltic flows, flow breccia, agglomerate, and tuff (generally containing conspicuous clinopyroxene phenocrysts), subordinate graywacke and mudstone, and regionally metamorphosed and deformed equivalents of these strata. Greenschist facies me","Cretaceous and Jurassic",null,null,"Sumdum","Igneous",null]
[2340,null,4600,"KJv","SI009","Volcanic rocks","Andesite to basaltic flows, flow breccia, agglomerate, and tuff (generally containing conspicuous clinopyroxene phenocrysts), subordinate graywacke and mudstone, and regionally metamorphosed and deformed equivalents of these strata. Greenschist facies me","Cretaceous and Jurassic",null,null,"Sitka","Igneous",null]
[2340,"Q",4601,"KJv?","CR012","Volcanic rocks","Andesite to basaltic flows, flow breccia, agglomerate, and tuff (generally containing conspicuous clinopyroxene phenocrysts), subordinate graywacke and mudstone, and regionally metamorphosed and deformed equivalents of these strata. Greenschist facies me","Cretaceous and Jurassic",null,null,"Craig","Igneous",null]
[2340,"Q",4601,"KJv?","KC013","Volcanic rocks","Andesite to basaltic flows, flow breccia, agglomerate, and tuff (generally containing conspicuous clinopyroxene phenocrysts), subordinate graywacke and mudstone, and regionally metamorphosed and deformed equivalents of these strata. Greenschist facies me","Cretaceous and Jurassic",null,null,"Ketchikan","Igneous",null]
[2480,null,5220,"Kgt","BC006","Granodiorite and tonalite","Small plutons to batholiths of granodiorite, tonalite, and subordinate quartz monzonite to quartz diorite and diorite. Most bodies contain biotite and hornblende, many have magmatic epidote and garnet and are plagioclase porphyritic, and some contain pyr","Cretaceous",null,"Potassium-argon and 40Ar/39Ar, and uranium-lead apparent ages of these bodies are generally Late Cretaceous (Smith and Diggles, 1981; Brew and others, 1984; Sutter and Crawford, 1985; Rubin and Saleeby, 1987).","Bradfield Canal","Igneous",null]
[2480,null,5220,"Kgt","CR012","Granodiorite and tonalite","Small plutons to batholiths of granodiorite, tonalite, and subordinate quartz monzonite to quartz diorite and diorite. Most bodies contain biotite and hornblende, many have magmatic epidote and garnet and are plagioclase porphyritic, and some contain pyr","Cretaceous",null,"Potassium-argon and 40Ar/39Ar, and uranium-lead apparent ages of these bodies are generally Late Cretaceous (Smith and Diggles, 1981; Brew and others, 1984; Sutter and Crawford, 1985; Rubin and Saleeby, 1987).","Craig","Igneous",null]
[2480,null,5220,"Kgt","JU012","Granodiorite and tonalite","Small plutons to batholiths of granodiorite, tonalite, and subordinate quartz monzonite to quartz diorite and diorite. Most bodies contain biotite and hornblende, many have magmatic epidote and garnet and are plagioclase porphyritic, and some contain pyr","Cretaceous",null,"Potassium-argon and 40Ar/39Ar, and uranium-lead apparent ages of these bodies are generally Late Cretaceous (Smith and Diggles, 1981; Brew and others, 1984; Sutter and Crawford, 1985; Rubin and Saleeby, 1987).","Juneau","Igneous",null]
[2480,null,5220,"Kgt","KC013","Granodiorite and tonalite","Small plutons to batholiths of granodiorite, tonalite, and subordinate quartz monzonite to quartz diorite and diorite. Most bodies contain biotite and hornblende, many have magmatic epidote and garnet and are plagioclase porphyritic, and some contain pyr","Cretaceous",null,"Potassium-argon and 40Ar/39Ar, and uranium-lead apparent ages of these bodies are generally Late Cretaceous (Smith and Diggles, 1981; Brew and others, 1984; Sutter and Crawford, 1985; Rubin and Saleeby, 1987).","Ketchikan","Igneous",null]
[2480,null,5220,"Kgt","PE006","Granodiorite and tonalite","Small plutons to batholiths of granodiorite, tonalite, and subordinate quartz monzonite to quartz diorite and diorite. Most bodies contain biotite and hornblende, many have magmatic epidote and garnet and are plagioclase porphyritic, and some contain pyr","Cretaceous",null,"Potassium-argon and 40Ar/39Ar, and uranium-lead apparent ages of these bodies are generally Late Cretaceous (Smith and Diggles, 1981; Brew and others, 1984; Sutter and Crawford, 1985; Rubin and Saleeby, 1987).","Petersburg","Igneous",null]
[2480,null,5220,"Kgt","SD016","Granodiorite and tonalite","Small plutons to batholiths of granodiorite, tonalite, and subordinate quartz monzonite to quartz diorite and diorite. Most bodies contain biotite and hornblende, many have magmatic epidote and garnet and are plagioclase porphyritic, and some contain pyr","Cretaceous",null,"Potassium-argon and 40Ar/39Ar, and uranium-lead apparent ages of these bodies are generally Late Cretaceous (Smith and Diggles, 1981; Brew and others, 1984; Sutter and Crawford, 1985; Rubin and Saleeby, 1987).","Sumdum","Igneous",null]
[2480,null,5220,"Kgt","SK015","Granodiorite and tonalite","Small plutons to batholiths of granodiorite, tonalite, and subordinate quartz monzonite to quartz diorite and diorite. Most bodies contain biotite and hornblende, many have magmatic epidote and garnet and are plagioclase porphyritic, and some contain pyr","Cretaceous",null,"Potassium-argon and 40Ar/39Ar, and uranium-lead apparent ages of these bodies are generally Late Cretaceous (Smith and Diggles, 1981; Brew and others, 1984; Sutter and Crawford, 1985; Rubin and Saleeby, 1987).","Skagway","Igneous",null]
[2480,null,5220,"Kgt","TR008","Granodiorite and tonalite","Small plutons to batholiths of granodiorite, tonalite, and subordinate quartz monzonite to quartz diorite and diorite. Most bodies contain biotite and hornblende, many have magmatic epidote and garnet and are plagioclase porphyritic, and some contain pyr","Cretaceous",null,"Potassium-argon and 40Ar/39Ar, and uranium-lead apparent ages of these bodies are generally Late Cretaceous (Smith and Diggles, 1981; Brew and others, 1984; Sutter and Crawford, 1985; Rubin and Saleeby, 1987).","Taku River","Igneous",null]
[2480,"Q",5220,"Kgt","CR012","Granodiorite and tonalite","Small plutons to batholiths of granodiorite, tonalite, and subordinate quartz monzonite to quartz diorite and diorite. Most bodies contain biotite and hornblende, many have magmatic epidote and garnet and are plagioclase porphyritic, and some contain pyr","Cretaceous",null,"Potassium-argon and 40Ar/39Ar, and uranium-lead apparent ages of these bodies are generally Late Cretaceous (Smith and Diggles, 1981; Brew and others, 1984; Sutter and Crawford, 1985; Rubin and Saleeby, 1987).","Craig","Igneous",null]
[2480,"Q",5221,"Kgt?","PR003","Granodiorite and tonalite","Small plutons to batholiths of granodiorite, tonalite, and subordinate quartz monzonite to quartz diorite and diorite. Most bodies contain biotite and hornblende, many have magmatic epidote and garnet and are plagioclase porphyritic, and some contain pyr","Cretaceous",null,"Potassium-argon and 40Ar/39Ar, and uranium-lead apparent ages of these bodies are generally Late Cretaceous (Smith and Diggles, 1981; Brew and others, 1984; Sutter and Crawford, 1985; Rubin and Saleeby, 1987).","Prince Rupert","Igneous",null]
[2480,"Q",5221,"Kgt?","KC013","Granodiorite and tonalite","Small plutons to batholiths of granodiorite, tonalite, and subordinate quartz monzonite to quartz diorite and diorite. Most bodies contain biotite and hornblende, many have magmatic epidote and garnet and are plagioclase porphyritic, and some contain pyr","Cretaceous",null,"Potassium-argon and 40Ar/39Ar, and uranium-lead apparent ages of these bodies are generally Late Cretaceous (Smith and Diggles, 1981; Brew and others, 1984; Sutter and Crawford, 1985; Rubin and Saleeby, 1987).","Ketchikan","Igneous",null]
[2480,"Q",5221,"Kgt?","CR012","Granodiorite and tonalite","Small plutons to batholiths of granodiorite, tonalite, and subordinate quartz monzonite to quartz diorite and diorite. Most bodies contain biotite and hornblende, many have magmatic epidote and garnet and are plagioclase porphyritic, and some contain pyr","Cretaceous",null,"Potassium-argon and 40Ar/39Ar, and uranium-lead apparent ages of these bodies are generally Late Cretaceous (Smith and Diggles, 1981; Brew and others, 1984; Sutter and Crawford, 1985; Rubin and Saleeby, 1987).","Craig","Igneous",null]
[2493,null,5250,"Kg","CR012","Granodiorite","A heterogeneous suite of plutons consisting primarily of biotite, hornblende, magnetite +/- pyroxene +/- garnet granodiorite and subordinate quartz monzonite, tonalite, trondhjemite, and quartz diorite.","Cretaceous",null,"Potassium-argon apparent ages record emplacement primarily during Early Cretaceous time, although similar intrusive bodies northwest of Glacier Bay in Canada also yield Jurassic potassium-argon apparent ages (Chris Dodds, oral commun., 1984).","Craig","Igneous",null]
[2493,null,5250,"Kg","DE008","Granodiorite","A heterogeneous suite of plutons consisting primarily of biotite, hornblende, magnetite +/- pyroxene +/- garnet granodiorite and subordinate quartz monzonite, tonalite, trondhjemite, and quartz diorite.","Cretaceous",null,"Potassium-argon apparent ages record emplacement primarily during Early Cretaceous time, although similar intrusive bodies northwest of Glacier Bay in Canada also yield Jurassic potassium-argon apparent ages (Chris Dodds, oral commun., 1984).","Dixon Entrance","Igneous",null]
[2493,null,5250,"Kg","JU012","Granodiorite","A heterogeneous suite of plutons consisting primarily of biotite, hornblende, magnetite +/- pyroxene +/- garnet granodiorite and subordinate quartz monzonite, tonalite, trondhjemite, and quartz diorite.","Cretaceous",null,"Potassium-argon apparent ages record emplacement primarily during Early Cretaceous time, although similar intrusive bodies northwest of Glacier Bay in Canada also yield Jurassic potassium-argon apparent ages (Chris Dodds, oral commun., 1984).","Juneau","Igneous",null]
[2493,null,5250,"Kg","MF011","Granodiorite","A heterogeneous suite of plutons consisting primarily of biotite, hornblende, magnetite +/- pyroxene +/- garnet granodiorite and subordinate quartz monzonite, tonalite, trondhjemite, and quartz diorite.","Cretaceous",null,"Potassium-argon apparent ages record emplacement primarily during Early Cretaceous time, although similar intrusive bodies northwest of Glacier Bay in Canada also yield Jurassic potassium-argon apparent ages (Chris Dodds, oral commun., 1984).","Mount Fairweather","Igneous",null]
[2493,null,5250,"Kg","PA006","Granodiorite","A heterogeneous suite of plutons consisting primarily of biotite, hornblende, magnetite +/- pyroxene +/- garnet granodiorite and subordinate quartz monzonite, tonalite, trondhjemite, and quartz diorite.","Cretaceous",null,"Potassium-argon apparent ages record emplacement primarily during Early Cretaceous time, although similar intrusive bodies northwest of Glacier Bay in Canada also yield Jurassic potassium-argon apparent ages (Chris Dodds, oral commun., 1984).","Port Alexander","Igneous",null]
[2493,null,5250,"Kg","PE006","Granodiorite","A heterogeneous suite of plutons consisting primarily of biotite, hornblende, magnetite +/- pyroxene +/- garnet granodiorite and subordinate quartz monzonite, tonalite, trondhjemite, and quartz diorite.","Cretaceous",null,"Potassium-argon apparent ages record emplacement primarily during Early Cretaceous time, although similar intrusive bodies northwest of Glacier Bay in Canada also yield Jurassic potassium-argon apparent ages (Chris Dodds, oral commun., 1984).","Petersburg","Igneous",null]
[2493,null,5250,"Kg","SI009","Granodiorite","A heterogeneous suite of plutons consisting primarily of biotite, hornblende, magnetite +/- pyroxene +/- garnet granodiorite and subordinate quartz monzonite, tonalite, trondhjemite, and quartz diorite.  (Where shown having a stippled overprint on map, c","Cretaceous",null,"Potassium-argon apparent ages record emplacement primarily during Early Cretaceous time, although similar intrusive bodies northwest of Glacier Bay in Canada also yield Jurassic potassium-argon apparent ages (Chris Dodds, oral commun., 1984).","Sitka","Igneous",null]
[2493,null,5250,"Kg","SK015","Granodiorite","A heterogeneous suite of plutons consisting primarily of biotite, hornblende, magnetite +/- pyroxene +/- garnet granodiorite and subordinate quartz monzonite, tonalite, trondhjemite, and quartz diorite.","Cretaceous",null,"Potassium-argon apparent ages record emplacement primarily during Early Cretaceous time, although similar intrusive bodies northwest of Glacier Bay in Canada also yield Jurassic potassium-argon apparent ages (Chris Dodds, oral commun., 1984).","Skagway","Igneous",null]
[2493,"Q",5250,"Kg","CR012","Granodiorite","A heterogeneous suite of plutons consisting primarily of biotite, hornblende, magnetite +/- pyroxene +/- garnet granodiorite and subordinate quartz monzonite, tonalite, trondhjemite, and quartz diorite.","Cretaceous",null,"Potassium-argon apparent ages record emplacement primarily during Early Cretaceous time, although similar intrusive bodies northwest of Glacier Bay in Canada also yield Jurassic potassium-argon apparent ages (Chris Dodds, oral commun., 1984).","Craig","Igneous",null]
[2493,"Q",5251,"Kg?","JU012","Granodiorite","A heterogeneous suite of plutons consisting primarily of biotite, hornblende, magnetite +/- pyroxene +/- garnet granodiorite and subordinate quartz monzonite, tonalite, trondhjemite, and quartz diorite.","Cretaceous",null,"Potassium-argon apparent ages record emplacement primarily during Early Cretaceous time, although similar intrusive bodies northwest of Glacier Bay in Canada also yield Jurassic potassium-argon apparent ages (Chris Dodds, oral commun., 1984).","Juneau","Igneous",null]
[2493,"Q",5251,"Kg?","SI009","Granodiorite","A heterogeneous suite of plutons consisting primarily of biotite, hornblende, magnetite +/- pyroxene +/- garnet granodiorite and subordinate quartz monzonite, tonalite, trondhjemite, and quartz diorite.","Cretaceous",null,"Potassium-argon apparent ages record emplacement primarily during Early Cretaceous time, although similar intrusive bodies northwest of Glacier Bay in Canada also yield Jurassic potassium-argon apparent ages (Chris Dodds, oral commun., 1984).","Sitka","Igneous",null]
[2493,"Q",5251,"Kg?","PE006","Granodiorite","A heterogeneous suite of plutons consisting primarily of biotite, hornblende, magnetite +/- pyroxene +/- garnet granodiorite and subordinate quartz monzonite, tonalite, trondhjemite, and quartz diorite.","Cretaceous",null,"Potassium-argon apparent ages record emplacement primarily during Early Cretaceous time, although similar intrusive bodies northwest of Glacier Bay in Canada also yield Jurassic potassium-argon apparent ages (Chris Dodds, oral commun., 1984).","Petersburg","Igneous",null]
[2493,"Q",5251,"Kg?","DE008","Granodiorite","A heterogeneous suite of plutons consisting primarily of biotite, hornblende, magnetite +/- pyroxene +/- garnet granodiorite and subordinate quartz monzonite, tonalite, trondhjemite, and quartz diorite.","Cretaceous",null,"Potassium-argon apparent ages record emplacement primarily during Early Cretaceous time, although similar intrusive bodies northwest of Glacier Bay in Canada also yield Jurassic potassium-argon apparent ages (Chris Dodds, oral commun., 1984).","Dixon Entrance","Igneous",null]
[2493,"Q",5251,"Kg?","CR012","Granodiorite","A heterogeneous suite of plutons consisting primarily of biotite, hornblende, magnetite +/- pyroxene +/- garnet granodiorite and subordinate quartz monzonite, tonalite, trondhjemite, and quartz diorite.","Cretaceous",null,"Potassium-argon apparent ages record emplacement primarily during Early Cretaceous time, although similar intrusive bodies northwest of Glacier Bay in Canada also yield Jurassic potassium-argon apparent ages (Chris Dodds, oral commun., 1984).","Craig","Igneous",null]
[2494,null,5230,"Kdb","SK015","Diorite and gabbro","Hornblende diorite and gabbro that grades laterally into granodiorite and quartz diorite (unit Kgt).","Cretaceous",null,"Potassium-argon ages are Late Cretaceous (Redman and others, 1984).","Skagway","Igneous",null]
[2495,null,5240,"Kum","CR012","Ultramafic rocks","Ultramafic intrusive bodies of magnetite-bearing hornblende clinopyroxenite and subordinate dunite, peridotite, and hornblendite (Taylor, 1967). Several complexes are concentrically zoned from a core of dunite to rocks containing progressively less olivi","Cretaceous",null,"Potassium-argon apparent ages of the ultramafic rocks indicate emplacement during Early Cretaceous time (Lanphere and Eberlein, 1966).","Craig","Igneous",null]
[2495,null,5240,"Kum","KC013","Ultramafic rocks","Ultramafic intrusive bodies of magnetite-bearing hornblende clinopyroxenite and subordinate dunite, peridotite, and hornblendite (Taylor, 1967). Several complexes are concentrically zoned from a core of dunite to rocks containing progressively less olivi","Cretaceous",null,"Potassium-argon apparent ages of the ultramafic rocks indicate emplacement during Early Cretaceous time (Lanphere and Eberlein, 1966).","Ketchikan","Igneous",null]
[2495,null,5240,"Kum","PA006","Ultramafic rocks","Ultramafic intrusive bodies of magnetite-bearing hornblende clinopyroxenite and subordinate dunite, peridotite, and hornblendite (Taylor, 1967). Several complexes are concentrically zoned from a core of dunite to rocks containing progressively less olivi","Cretaceous",null,"Potassium-argon apparent ages of the ultramafic rocks indicate emplacement during Early Cretaceous time (Lanphere and Eberlein, 1966).","Port Alexander","Igneous",null]
[2495,null,5240,"Kum","PE006","Ultramafic rocks","Ultramafic intrusive bodies of magnetite-bearing hornblende clinopyroxenite and subordinate dunite, peridotite, and hornblendite (Taylor, 1967). Several complexes are concentrically zoned from a core of dunite to rocks containing progressively less olivi","Cretaceous",null,"Potassium-argon apparent ages of the ultramafic rocks indicate emplacement during Early Cretaceous time (Lanphere and Eberlein, 1966).","Petersburg","Igneous",null]
[2495,null,5240,"Kum","PR003","Ultramafic rocks","Ultramafic intrusive bodies of magnetite-bearing hornblende clinopyroxenite and subordinate dunite, peridotite, and hornblendite (Taylor, 1967). Several complexes are concentrically zoned from a core of dunite to rocks containing progressively less olivi","Cretaceous",null,"Potassium-argon apparent ages of the ultramafic rocks indicate emplacement during Early Cretaceous time (Lanphere and Eberlein, 1966).","Prince Rupert","Igneous",null]
[2495,null,5240,"Kum","SD016","Ultramafic rocks","Ultramafic intrusive bodies of magnetite-bearing hornblende clinopyroxenite and subordinate dunite, peridotite, and hornblendite (Taylor, 1967). Several complexes are concentrically zoned from a core of dunite to rocks containing progressively less olivi","Cretaceous",null,"Potassium-argon apparent ages of the ultramafic rocks indicate emplacement during Early Cretaceous time (Lanphere and Eberlein, 1966).","Sumdum","Igneous",null]
[2495,null,5240,"Kum","SI009","Ultramafic rocks","Ultramafic intrusive bodies of magnetite-bearing hornblende clinopyroxenite and subordinate dunite, peridotite, and hornblendite (Taylor, 1967). Several complexes are concentrically zoned from a core of dunite to rocks containing progressively less olivi","Cretaceous",null,"Potassium-argon apparent ages of the ultramafic rocks indicate emplacement during Early Cretaceous time (Lanphere and Eberlein, 1966).","Sitka","Igneous",null]
[2495,null,5240,"Kum","SK015","Ultramafic rocks","Ultramafic intrusive bodies of magnetite-bearing hornblende clinopyroxenite and subordinate dunite, peridotite, and hornblendite (Taylor, 1967). Several complexes are concentrically zoned from a core of dunite to rocks containing progressively less olivi","Cretaceous",null,"Potassium-argon apparent ages of the ultramafic rocks indicate emplacement during Early Cretaceous time (Lanphere and Eberlein, 1966).","Skagway","Igneous",null]
[2495,"Q",5241,"Kum?","JU012","Ultramafic rocks","Ultramafic intrusive bodies of magnetite-bearing hornblende clinopyroxenite and subordinate dunite, peridotite, and hornblendite (Taylor, 1967). Several complexes are concentrically zoned from a core of dunite to rocks containing progressively less olivi","Cretaceous",null,"Potassium-argon apparent ages of the ultramafic rocks indicate emplacement during Early Cretaceous time (Lanphere and Eberlein, 1966).","Juneau","Igneous",null]
[2495,"Q",5241,"Kum?","TR008","Ultramafic rocks","Ultramafic intrusive bodies of magnetite-bearing hornblende clinopyroxenite and subordinate dunite, peridotite, and hornblendite (Taylor, 1967). Several complexes are concentrically zoned from a core of dunite to rocks containing progressively less olivi","Cretaceous",null,"Potassium-argon apparent ages of the ultramafic rocks indicate emplacement during Early Cretaceous time (Lanphere and Eberlein, 1966).","Taku River","Igneous",null]
[2495,"Q",5241,"Kum?","SI009","Ultramafic rocks","Ultramafic intrusive bodies of magnetite-bearing hornblende clinopyroxenite and subordinate dunite, peridotite, and hornblendite (Taylor, 1967). Several complexes are concentrically zoned from a core of dunite to rocks containing progressively less olivi","Cretaceous",null,"Potassium-argon apparent ages of the ultramafic rocks indicate emplacement during Early Cretaceous time (Lanphere and Eberlein, 1966).","Sitka","Igneous",null]
[2495,"Q",5241,"Kum?","SD016","Ultramafic rocks","Ultramafic intrusive bodies of magnetite-bearing hornblende clinopyroxenite and subordinate dunite, peridotite, and hornblendite (Taylor, 1967). Several complexes are concentrically zoned from a core of dunite to rocks containing progressively less olivi","Cretaceous",null,"Potassium-argon apparent ages of the ultramafic rocks indicate emplacement during Early Cretaceous time (Lanphere and Eberlein, 1966).","Sumdum","Igneous",null]
[2495,"Q",5241,"Kum?","PA006","Ultramafic rocks","Ultramafic intrusive bodies of magnetite-bearing hornblende clinopyroxenite and subordinate dunite, peridotite, and hornblendite (Taylor, 1967). Several complexes are concentrically zoned from a core of dunite to rocks containing progressively less olivi","Cretaceous",null,"Potassium-argon apparent ages of the ultramafic rocks indicate emplacement during Early Cretaceous time (Lanphere and Eberlein, 1966).","Port Alexander","Igneous",null]
[2495,"Q",5241,"Kum?","KC013","Ultramafic rocks","Ultramafic intrusive bodies of magnetite-bearing hornblende clinopyroxenite and subordinate dunite, peridotite, and hornblendite (Taylor, 1967). Several complexes are concentrically zoned from a core of dunite to rocks containing progressively less olivi","Cretaceous",null,"Potassium-argon apparent ages of the ultramafic rocks indicate emplacement during Early Cretaceous time (Lanphere and Eberlein, 1966).","Ketchikan","Igneous",null]
[2540,null,5260,"Kd","CR012","Diorite","Primarily hornblende +/- biotite +/- clinopyroxene diorite and subordinate quartz diorite and gabbro.","Cretaceous",null,null,"Craig","Igneous",null]
[2540,null,5260,"Kd","DE008","Diorite","Primarily hornblende +/- biotite +/- clinopyroxene diorite and subordinate quartz diorite and gabbro.","Cretaceous",null,null,"Dixon Entrance","Igneous",null]
[2540,null,5260,"Kd","JU012","Diorite","Primarily hornblende +/- biotite +/- clinopyroxene diorite and subordinate quartz diorite and gabbro.","Cretaceous",null,null,"Juneau","Igneous",null]
[2540,null,5260,"Kd","MF011","Diorite","Primarily hornblende +/- biotite +/- clinopyroxene diorite and subordinate quartz diorite and gabbro.  (Where shown having a stippled overprint on map, consists of undifferentiated intrusive and stratified rocks where the map unit symbol and color in sti","Cretaceous",null,null,"Mount Fairweather","Igneous",null]
[2540,null,5260,"Kd","SI009","Diorite","Primarily hornblende +/- biotite +/- clinopyroxene diorite and subordinate quartz diorite and gabbro.  (Where shown having a stippled overprint on map, consists of undifferentiated intrusive and stratified rocks where the map unit symbol and color in sti","Cretaceous",null,null,"Sitka","Igneous",null]
[2540,null,5260,"Kd","SK015","Diorite","Primarily hornblende +/- biotite +/- clinopyroxene diorite and subordinate quartz diorite and gabbro.","Cretaceous",null,null,"Skagway","Igneous",null]
[2540,"Q",5261,"Kd?","PE006","Diorite","Primarily hornblende +/- biotite +/- clinopyroxene diorite and subordinate quartz diorite and gabbro.","Cretaceous",null,null,"Petersburg","Igneous",null]
[2540,"Q",5261,"Kd?","CR012","Diorite","Primarily hornblende +/- biotite +/- clinopyroxene diorite and subordinate quartz diorite and gabbro.","Cretaceous",null,null,"Craig","Igneous",null]
[2550,null,5270,"Kgb","MF011","Gabbro","Primarily clinopyroxene (generally augite) +/- hornblende +/- biotite +/- olivine gabbro, leucogabbro, and subordinate norite, syenite, and pyroxenite.","Cretaceous",null,null,"Mount Fairweather","Igneous",null]
[2550,null,5270,"Kgb","SI009","Gabbro","Primarily clinopyroxene (generally augite) +/- hornblende +/- biotite +/- olivine gabbro, leucogabbro, and subordinate norite, syenite, and pyroxenite.  (Where shown having a stippled overprint on map, consists of undifferentiated intrusive and stratifie","Cretaceous",null,null,"Sitka","Igneous",null]
[2820,null,4590,"KJs","CR012","Sedimentary rocks","Marine graywacke and mudstone, subordinate conglomerate and andesitic to basaltic volcanic rocks, minor limestone, and regionally metamorphosed and deformed equivalents of these strata. Metamorphic grade generally increase from subgreenschist facies or n","Cretaceous and Jurassic","Fossils range in age from Cenomanian or Albian to Late and possibly Middle Jurassic (Breg and others, 1972; Brew and others, 1984).",null,"Craig","Sedimentary",null]
[2820,null,4590,"KJs","JU012","Sedimentary rocks","Marine graywacke and mudstone, subordinate conglomerate and andesitic to basaltic volcanic rocks, minor limestone, and regionally metamorphosed and deformed equivalents of these strata. Metamorphic grade generally increase from subgreenschist facies or n","Cretaceous and Jurassic","Fossils range in age from Cenomanian or Albian to Late and possibly Middle Jurassic (Breg and others, 1972; Brew and others, 1984).",null,"Juneau","Sedimentary",null]
[2820,null,4590,"KJs","KC013","Sedimentary rocks","Marine graywacke and mudstone, subordinate conglomerate and andesitic to basaltic volcanic rocks, minor limestone, and regionally metamorphosed and deformed equivalents of these strata. Metamorphic grade generally increase from subgreenschist facies or n","Cretaceous and Jurassic","Fossils range in age from Cenomanian or Albian to Late and possibly Middle Jurassic (Breg and others, 1972; Brew and others, 1984).",null,"Ketchikan","Sedimentary",null]
[2820,null,4590,"KJs","PE006","Sedimentary rocks","Marine graywacke and mudstone, subordinate conglomerate and andesitic to basaltic volcanic rocks, minor limestone, and regionally metamorphosed and deformed equivalents of these strata. Metamorphic grade generally increase from subgreenschist facies or n","Cretaceous and Jurassic","Fossils range in age from Cenomanian or Albian to Late and possibly Middle Jurassic (Breg and others, 1972; Brew and others, 1984).",null,"Petersburg","Sedimentary",null]
[2820,null,4590,"KJs","SD016","Sedimentary rocks","Marine graywacke and mudstone, subordinate conglomerate and andesitic to basaltic volcanic rocks, minor limestone, and regionally metamorphosed and deformed equivalents of these strata. Metamorphic grade generally increase from subgreenschist facies or n","Cretaceous and Jurassic","Fossils range in age from Cenomanian or Albian to Late and possibly Middle Jurassic (Breg and others, 1972; Brew and others, 1984).",null,"Sumdum","Sedimentary",null]
[2820,null,4590,"KJs","SI009","Sedimentary rocks","Marine graywacke and mudstone, subordinate conglomerate and andesitic to basaltic volcanic rocks, minor limestone, and regionally metamorphosed and deformed equivalents of these strata. Metamorphic grade generally increase from subgreenschist facies or n","Cretaceous and Jurassic","Fossils range in age from Cenomanian or Albian to Late and possibly Middle Jurassic (Breg and others, 1972; Brew and others, 1984).",null,"Sitka","Sedimentary",null]
[2820,null,4590,"KJs","SK015","Sedimentary rocks","Marine graywacke and mudstone, subordinate conglomerate and andesitic to basaltic volcanic rocks, minor limestone, and regionally metamorphosed and deformed equivalents of these strata. Metamorphic grade generally increase from subgreenschist facies or n","Cretaceous and Jurassic","Fossils range in age from Cenomanian or Albian to Late and possibly Middle Jurassic (Breg and others, 1972; Brew and others, 1984).",null,"Skagway","Sedimentary",null]
[2820,"Q",4591,"KJs?","BC006","Sedimentary rocks","Marine graywacke and mudstone, subordinate conglomerate and andesitic to basaltic volcanic rocks, minor limestone, and regionally metamorphosed and deformed equivalents of these strata. Metamorphic grade generally increase from subgreenschist facies or n","Cretaceous and Jurassic","Fossils range in age from Cenomanian or Albian to Late and possibly Middle Jurassic (Breg and others, 1972; Brew and others, 1984).",null,"Bradfield Canal","Sedimentary",null]
[2820,"Q",4591,"KJs?","PE006","Sedimentary rocks","Marine graywacke and mudstone, subordinate conglomerate and andesitic to basaltic volcanic rocks, minor limestone, and regionally metamorphosed and deformed equivalents of these strata. Metamorphic grade generally increase from subgreenschist facies or n","Cretaceous and Jurassic","Fossils range in age from Cenomanian or Albian to Late and possibly Middle Jurassic (Breg and others, 1972; Brew and others, 1984).",null,"Petersburg","Sedimentary",null]
[2820,"Q",4591,"KJs?","CR012","Sedimentary rocks","Marine graywacke and mudstone, subordinate conglomerate and andesitic to basaltic volcanic rocks, minor limestone, and regionally metamorphosed and deformed equivalents of these strata. Metamorphic grade generally increase from subgreenschist facies or n","Cretaceous and Jurassic","Fossils range in age from Cenomanian or Albian to Late and possibly Middle Jurassic (Breg and others, 1972; Brew and others, 1984).",null,"Craig","Sedimentary",null]
[2820,"Q",4591,"KJs?","KC013","Sedimentary rocks","Marine graywacke and mudstone, subordinate conglomerate and andesitic to basaltic volcanic rocks, minor limestone, and regionally metamorphosed and deformed equivalents of these strata. Metamorphic grade generally increase from subgreenschist facies or n","Cretaceous and Jurassic","Fossils range in age from Cenomanian or Albian to Late and possibly Middle Jurassic (Breg and others, 1972; Brew and others, 1984).",null,"Ketchikan","Sedimentary",null]
[2822,null,4610,"KJsv","JU012","Sedimentary and volcanic rocks, undivided","Moderately deformed and metamorphosed graywacke, mudstone, sandstone, and andesitic to basaltic rocks.","Cretaceous and Jurassic",null,null,"Juneau","Metamorphic",null]
[2840,null,5050,"Ksm","PA006","Sedimentary rocks","Includes sedimentary and metasedimentary rocks that are similar in structural and metamorphic characteristics to rocks in the Cretaceous sedimentary and volcanic melange unit (Ksvm). Common lithic types include dark-gray phyllite, light-gray quartzite, a","Cretaceous","Fossils were not recovered from rocks in this unit.",null,"Port Alexander","Sedimentary",null]
[2840,null,5050,"Ksm","SI009","Sedimentary rocks","Includes sedimentary and metasedimentary rocks that are similar in structural and metamorphic characteristics to rocks in the Cretaceous sedimentary and volcanic melange unit (Ksvm). Common lithic types include dark-gray phyllite, light-gray quartzite, a","Cretaceous","Fossils were not recovered from rocks in this unit.",null,"Sitka","Sedimentary",null]
[2865,null,4580,"Ksv","CR012","Sedimentary and volcanic rocks, undivided","Interbedded sedimentary and volcanic rocks, and their metamorphosed equivalents.","Cretaceous",null,null,"Craig","Metamorphic",null]
[2865,null,4580,"Ksv","MF011","Sedimentary and volcanic rocks, undivided","Interbedded sedimentary and volcanic rocks, and their metamorphosed equivalents.","Cretaceous",null,null,"Mount Fairweather","Metamorphic",null]
[2865,null,4580,"Ksv","SK015","Sedimentary and volcanic rocks, undivided","Interbedded sedimentary and volcanic rocks, and their metamorphosed equivalents.","Cretaceous",null,null,"Skagway","Metamorphic",null]
[2865,"Q",4581,"Ksv?","CR012","Sedimentary and volcanic rocks, undivided","Interbedded sedimentary and volcanic rocks, and their metamorphosed equivalents.","Cretaceous",null,null,"Craig","Metamorphic",null]
[2866,null,4560,"Ks","MF011","Sedimentary rocks","Sandstone and mudstone turbidites and subordinate conglomerate and regionally metamorphosed carbonaceous siltstone, volcanogenic graywacke, mudstone, and minor conglomerate.","Cretaceous","Early Cretaceous fossils were found in the Sitka Graywacke on Kruzof Island (Reed and Coats, 1941)",null,"Mount Fairweather","Sedimentary",null]
[2866,null,4560,"Ks","PA006","Sedimentary rocks","Sandstone and mudstone turbidites and subordinate conglomerate and regionally metamorphosed carbonaceous siltstone, volcanogenic graywacke, mudstone, and minor conglomerate.","Cretaceous","Early Cretaceous fossils were found in the Sitka Graywacke on Kruzof Island (Reed and Coats, 1941)",null,"Port Alexander","Sedimentary",null]
[2866,null,4560,"Ks","SI009","Sedimentary rocks","Sandstone and mudstone turbidites and subordinate conglomerate and regionally metamorphosed carbonaceous siltstone, volcanogenic graywacke, mudstone, and minor conglomerate.","Cretaceous","Early Cretaceous fossils were found in the Sitka Graywacke on Kruzof Island (Reed and Coats, 1941)",null,"Sitka","Sedimentary",null]
[2891,null,4570,"Kv","MF011","Volcanic rocks","Schist, gneiss, and amphibolite.","Cretaceous",null,null,"Mount Fairweather","Metamorphic",null]
[2920,null,5290,"KJgb","CR012","Gabbro","Two-pyroxene gabbro and subordinate hornblende +/- biotite gabbro and diorite.","Cretaceous and Jurassic",null,null,"Craig","Igneous",null]
[2920,null,5291,"KJgd?","JU012","Gabbro","Two-pyroxene gabbro and subordinate hornblende +/- biotite gabbro and diorite.  (Polygon erroneously labeled KJgd on map, should have been KJgb).","Cretaceous and Jurassic",null,null,"Juneau","Igneous",null]
[2950,null,5040,"Ksvm","MF011","Sedimentary and volcanic rocks, undivided","Marine sedimentary and volcanic rocks, and their metamorphic equivalents, that are bounded by fault or shear zones; and marine sedimentary and volcanic rocks, and their metamorphic equivalents, enclosed in a matrix of moderately metamorphosed and penetra","Cretaceous","Fossils from blocks are Early Cretaceous, Late Jurassic(?) or Triassic(?) in age (Loney and others, 1975; Johnson and Karl, 1985).  Minimum age of unit is constrained by (1) mid-Cretaceous potassium-argon apparent ages on metamorphic minerals in the mela","Minimum age of unit is constrained by (1) mid-Cretaceous potassium-argon apparent ages on metamorphic minerals in the melange on Chichagof Island (Decker and others, 1980)","Mount Fairweather","Tectonite",null]
[2950,null,5040,"Ksvm","PA006","Sedimentary and volcanic rocks, undivided","Marine sedimentary and volcanic rocks, and their metamorphic equivalents, that are bounded by fault or shear zones; and marine sedimentary and volcanic rocks, and their metamorphic equivalents, enclosed in a matrix of moderately metamorphosed and penetra","Cretaceous","Fossils from blocks are Early Cretaceous, Late Jurassic(?) or Triassic(?) in age (Loney and others, 1975; Johnson and Karl, 1985).  Minimum age of unit is constrained by (1) mid-Cretaceous potassium-argon apparent ages on metamorphic minerals in the mela","Minimum age of unit is constrained by (1) mid-Cretaceous potassium-argon apparent ages on metamorphic minerals in the melange on Chichagof Island (Decker and others, 1980)","Port Alexander","Tectonite",null]
[2950,null,5040,"Ksvm","SI009","Sedimentary and volcanic rocks, undivided","Marine sedimentary and volcanic rocks, and their metamorphic equivalents, that are bounded by fault or shear zones; and marine sedimentary and volcanic rocks, and their metamorphic equivalents, enclosed in a matrix of moderately metamorphosed and penetra","Cretaceous","Fossils from blocks are Early Cretaceous, Late Jurassic(?) or Triassic(?) in age (Loney and others, 1975; Johnson and Karl, 1985).  Minimum age of unit is constrained by (1) mid-Cretaceous potassium-argon apparent ages on metamorphic minerals in the mela","Minimum age of unit is constrained by (1) mid-Cretaceous potassium-argon apparent ages on metamorphic minerals in the melange on Chichagof Island (Decker and others, 1980)","Sitka","Tectonite",null]
[2950,null,5040,"Ksvm","SK015","Sedimentary and volcanic rocks, undivided","Marine sedimentary and volcanic rocks, and their metamorphic equivalents, that are bounded by fault or shear zones; and marine sedimentary and volcanic rocks, and their metamorphic equivalents, enclosed in a matrix of moderately metamorphosed and penetra","Cretaceous","Fossils from blocks are Early Cretaceous, Late Jurassic(?) or Triassic(?) in age (Loney and others, 1975; Johnson and Karl, 1985).  Minimum age of unit is constrained by (1) mid-Cretaceous potassium-argon apparent ages on metamorphic minerals in the mela","Minimum age of unit is constrained by (1) mid-Cretaceous potassium-argon apparent ages on metamorphic minerals in the melange on Chichagof Island (Decker and others, 1980)","Skagway","Tectonite",null]
[2950,"Q",5041,"Ksvm?","MF011","Sedimentary and volcanic rocks, undivided","Marine sedimentary and volcanic rocks, and their metamorphic equivalents, that are bounded by fault or shear zones; and marine sedimentary and volcanic rocks, and their metamorphic equivalents, enclosed in a matrix of moderately metamorphosed and penetra","Cretaceous","Fossils from blocks are Early Cretaceous, Late Jurassic(?) or Triassic(?) in age (Loney and others, 1975; Johnson and Karl, 1985).  Minimum age of unit is constrained by (1) mid-Cretaceous potassium-argon apparent ages on metamorphic minerals in the mela","Minimum age of unit is constrained by (1) mid-Cretaceous potassium-argon apparent ages on metamorphic minerals in the melange on Chichagof Island (Decker and others, 1980)","Mount Fairweather","Tectonite",null]
[2950,"Q",5041,"Ksvm?","SI009","Sedimentary and volcanic rocks, undivided","Marine sedimentary and volcanic rocks, and their metamorphic equivalents, that are bounded by fault or shear zones; and Marine sedimentary and volcanic rocks, and their metamorphic equivalents, enclosed in a matrix of moderately metamorphosed and penetra","Cretaceous","Fossils from blocks are Early Cretaceous, Late Jurassic (?) or Triassic (?) in age (Loney and others, 1975; Johnson and Karl, 1985).  Minimum age of unit is constrained by (1) mid-Cretaceous potassium-argon apparent ages on metamorphic minerals in the me","Minimum age of unit is constrained by (1) mid-Cretaceous potassium-argon apparent ages on metamorphic minerals in the melange on Chichagof Island (Decker and others, 1980) [...]","Sitka","Tectonite",null]
[2950,null,5190,"Ksvm","JU012","Sedimentary and volcanic rocks, undivided","Marine sedimentary and volcanic rocks, and their metamorphic equivalents, that are bounded by fault or shear zones; and Marine sedimentary and volcanic rocks, and their metamorphic equivalents, enclosed in a matrix of moderately metamorphosed and penetra","Cretaceous","Fossils from blocks are Early Cretaceous, Late Jurassic (?) or Triassic (?) in age (Loney and others, 1975; Johnson and Karl, 1985).  Minimum age of unit is constrained by (1) mid-Cretaceous potassium-argon apparent ages on metamorphic minerals in the me","Minimum age of unit is constrained by (1) mid-Cretaceous potassium-argon apparent ages on metamorphic minerals in the melange on Chichagof Island (Decker and others, 1980) [...]","Juneau","Tectonite",null]
[2953,null,5060,"Kvm","PA006","Volcanic rocks","Includes mafic volcanic and metavolcanic rocks that resemble rocks in the Cretaceous sedimentary and volcanic rocks melange unit (Ksvm) in structural and metamorphic characteristics. Common rock types include greenstone, greenschist, and minor phyllite,","Cretaceous",null,null,"Port Alexander","Tectonite",null]
[2953,null,5060,"Kvm","SI009","Volcanic rocks","Includes mafic volcanic and metavolcanic rocks that resemble rocks in the Cretaceous sedimentary and volcanic rocks melange unit (Ksvm) in structural and metamorphic characteristics. Common lithic types include greenstone, greenschist, and minor phyllite","Cretaceous",null,null,"Sitka","Tectonite",null]
[2971,null,5080,"KDsd","PE006","Sedimentary rocks","Deformed, disrupted, and metamorphosed graywacke, siltstone, mudstone, and subordinate chert, limestone, and volcanic and intrusive rocks that belong to a belt of regionally disrupted rocks in the Kupreanof-Etolin Islands area. Common metamorphic rock ty","Cretaceous to Devonian",null,null,"Petersburg","Tectonite",null]
[2971,null,5080,"KDsd","SD016","Sedimentary rocks","Deformed, disrupted, and metamorphosed graywacke, siltstone, mudstone, and subordinate chert, limestone, and volcanic and intrusive rocks that belong to a belt of regionally disrupted rocks in the Kupreanof-Etolin Islands area. Common metamorphic rock ty","Cretaceous to Devonian",null,null,"Sumdum","Tectonite",null]
[2972,null,5090,"KDvd","PE006","Volcanic rocks","Deformed, disrupted, and metamorphosed mafic to intermediate and minor felsic volcanic rocks that belong to a belt of regionally disrupted rocks in the Kupreanof-Zarembo Islands area. Rocks generally metamorphosed to greenschist and greenstone.","Cretaceous to Devonian",null,null,"Petersburg","Tectonite",null]
[2972,null,5090,"KDvd","SD016","Volcanic rocks","Deformed, disrupted, and metamorphosed mafic to intermediate and minor felsic volcanic rocks that belong to a belt of regionally disrupted rocks in the Kupreanof-Zarembo Islands area. Rocks generally metamorphosed to greenschist and greenstone.","Cretaceous to Devonian",null,null,"Sumdum","Tectonite",null]
[2990,null,5280,"KJd","KC013","Diorite","Metamorphosed and moderately deformed diorite and subordinate quartz diorite and gabbro.","Cretaceous and Jurassic",null,"A small quartz diorite body near northern Annette Island yielded a Cretaceous potassium-argon apparent age; the other bodies are undated.","Ketchikan","Igneous",null]
[2990,"Q",5281,"KJd?","CR012","Diorite","Metamorphosed and moderately deformed diorite and subordinate quartz diorite and gabbro.","Cretaceous and Jurassic",null,"A small quartz diorite body near northern Annette Island yielded a Cretaceous potassium-argon apparent age; the other bodies are undated.","Craig","Igneous",null]
[2990,"Q",5281,"KJd?","KC013","Diorite","Metamorphosed and moderately deformed diorite and subordinate quartz diorite and gabbro.","Cretaceous and Jurassic",null,"A small quartz diorite body near northern Annette Island yielded a Cretaceous potassium-argon apparent age; the other bodies are undated.","Ketchikan","Igneous",null]
[3404,null,5310,"Jt","SI009","Tonalite","Biotite and hornblende tonalite and quartz diorite.","Jurassic",null,"Biotite and hornblende tonalite and quartz diorite on Chichagof Island that yielded a Middle Jurassic potassium-argon (hornblende) apparent age (Loney and others, 1975).","Sitka","Igneous",null]
[3410,null,5300,"Jgr","DE008","Granite","Peralkaline aegerine and arfvedsonite granite.","Jurassic",null,"Peralkaline aegerine and arfvedsonite granite (Bokan Mountain Granite) on southern Prince of Wales Island (MacKevett, 1963) yielded Jurassic potassium-argon (Lanphere and others, 1964), uranium-lead (zircon) (Saint-Andre and others, 1983), and rubidium-s","Dixon Entrance","Igneous",null]
[3410,"Q",5301,"Jgr?","CR012","Granite","Peralkaline aegerine and arfvedsonite granite.","Jurassic",null,"Peralkaline aegerine and arfvedsonite granite (Bokan Mountain Granite) on southern Prince of Wales Island (MacKevett, 1963) yielded Jurassic potassium-argon (Lanphere and others, 1964), uranium-lead (zircon) (Saint-Andre and others, 1983), and rubidium-s","Craig","Igneous",null]
[3620,null,5340,"Trg","BC006","Granodiorite","Hornblende and biotite granodiorite and minor quartz diorite.","Triassic",null,"Unit yielded a latest Triassic potassium-argon (hornblende) apparent age (Smith and Diggles, 1981).","Bradfield Canal","Igneous",null]
[3620,null,5340,"Trg","KC013","Granodiorite","Hornblende and biotite granodiorite and minor quartz diorite.","Triassic",null,"Unit yielded a latest Triassic potassium-argon (hornblende) apparent age (Smith and Diggles, 1981).","Ketchikan","Igneous",null]
[3900,null,5320,"JTrd","JU012","Diorite","Hornblende and biotite diorite (Jualin Diorite).","Jurassic and (or) Triassic",null,null,"Juneau","Igneous",null]
[4000,null,4670,"Trsc","KC013","Clastic sedimentary and carbonate rocks, undivided","Unnamed, moderately deformed and metamorphosed graphitic limestone.","Triassic",null,null,"Ketchikan","Metamorphic",null]
[4320,null,5330,"Trgb","KC013","Gabbro","Two-pyroxene gabbro.","Triassic",null,"Two-pyroxene gabbro on Duke Island (Irvine, 1974) and Percy Islands (Berg and others, 1978, 1988) that yields a Late Triassic uranium-lead (zircon) apparent age (Gehrels and others, 1987).","Ketchikan","Igneous",null]
[4320,null,5330,"Trgb","PR003","Gabbro","Two-pyroxene gabbro.","Triassic",null,"Two-pyroxene gabbro on Duke Island (Irvine, 1974) and Percy Islands (Berg and others, 1978, 1988) that yields a Late Triassic uranium-lead (zircon) apparent age (Gehrels and others, 1987).","Prince Rupert","Igneous",null]
[4320,"Q",5331,"Trgb?","PR003","Gabbro","Two-pyroxene gabbro.","Triassic",null,"Two-pyroxene gabbro on Duke Island (Irvine, 1974) and Percy Islands (Berg and others, 1978, 1988) that yields a Late Triassic uranium-lead (zircon) apparent age (Gehrels and others, 1987).","Prince Rupert","Igneous",null]
[4420,null,4660,"Trb","SI009","Basaltic rocks","Basaltic flows and flow breccia (Goon Dip Greenstone) that were deposited, at least in part, in subaerial environments, and unnamed basalt.","Triassic","Basalt near Haines yields Carnian fossils and is also interpreted by Davis and Plafker (1985) to be correlative with the Nikolai Greenstone.",null,"Sitka","Sedimentary",null]
[4420,null,4660,"Trb","SK015","Basaltic rocks","Basaltic flows and flow breccia (Goon Dip Greenstone) that were deposited, at least in part, in subaerial environments, and unnamed basalt.","Triassic","Basalt near Haines yields Carnian fossils and is also interpreted by Davis and Plafker (1985) to be correlative with the Nikolai Greenstone.",null,"Skagway","Sedimentary",null]
[4470,null,4620,"Trs","SI009","Sedimentary rocks","Upper Triassic conglomerate, limestone, and calcareous siltstone and sandstone, silty limestone, and conglomerate and sedimentary breccia.","Triassic",null,null,"Sitka","Sedimentary",null]
[4470,"Q",4621,"Trs?","CR012","Sedimentary rocks","Upper Triassic conglomerate, limestone, and calcareous siltstone and sandstone, silty limestone, and conglomerate and sedimentary breccia.","Triassic",null,null,"Craig","Sedimentary",null]
[4471,null,4640,"Trsv","KC013","Sedimentary and volcanic rocks, undivided","Black shale, shaly limestone, siltstone, sandstone, conglomerate, and limestone; felsic, intermediate, and mafic flows; and minor black chert. Rocks vary from relatively unmetamorphosed to as high as greenschist facies. Common rock types in higher grade","Triassic",null,null,"Ketchikan","Sedimentary",null]
[4471,null,4640,"Trsv","PE006","Sedimentary and volcanic rocks, undivided","Black shale, shaly limestone, siltstone, sandstone, conglomerate, and limestone; felsic, intermediate, and mafic flows; and minor black chert. Rocks vary from relatively unmetamorphosed to as high as greenschist facies. Common rock types in higher grade","Triassic",null,null,"Petersburg","Sedimentary",null]
[4471,null,4640,"Trsv","SD016","Sedimentary and volcanic rocks, undivided","Black shale, shaly limestone, siltstone, sandstone, conglomerate, and limestone; felsic, intermediate, and mafic flows; and minor black chert. Rocks vary from relatively unmetamorphosed to as high as greenschist facies. Common rock types in higher grade","Triassic",null,null,"Sumdum","Sedimentary",null]
[4471,null,4640,"Trsv","SI009","Sedimentary and volcanic rocks, undivided","Black shale, shaly limestone, siltstone, sandstone, conglomerate, and limestone; felsic, intermediate, and mafic flows; and minor black chert. Rocks vary from relatively unmetamorphosed to as high as greenschist facies. Common rock types in higher grade","Triassic",null,null,"Sitka","Sedimentary",null]
[4473,null,4650,"Trc","KC013","Carbonate rocks","Massive to thick-bedded limestone and minor dolomite in most areas, but in Keku Strait unit includes thin-bedded, dark-gray limestone, and on Chichagof Isalnd unit consists of massive white to gray marble (Whitestripe Marble).","Triassic","Diagnostic fossils from limestone and dolomite are Late Triassic in age.",null,"Ketchikan","Sedimentary",null]
[4473,null,4650,"Trc","PA006","Carbonate rocks","Massive to thick-bedded limestone and minor dolomite in most areas, but in Keku Strait unit includes thin-bedded, dark-gray limestone, and on Chichagof Isalnd unit consists of massive white to gray marble (Whitestripe Marble).","Triassic","Diagnostic fossils from limestone and dolomite are Late Triassic in age.",null,"Port Alexander","Sedimentary",null]
[4473,null,4650,"Trc","PE006","Carbonate rocks","Massive to thick-bedded limestone and minor dolomite in most areas, but in Keku Strait unit includes thin-bedded, dark-gray limestone, and on Chichagof Isalnd unit consists of massive white to gray marble (Whitestripe Marble).","Triassic","Diagnostic fossils from limestone and dolomite are Late Triassic in age.",null,"Petersburg","Sedimentary",null]
[4473,null,4650,"Trc","SI009","Carbonate rocks","Massive to thick-bedded limestone and minor dolomite in most areas, but in Keku Strait unit includes thin-bedded, dark-gray limestone, and on Chichagof Isalnd unit consists of massive white to gray marble (Whitestripe Marble).","Triassic","Diagnostic fossils from limestone and dolomite are Late Triassic in age.",null,"Sitka","Sedimentary",null]
[4474,null,4630,"Trv","KC013","Volcanic rocks (rhyolitic to basaltic)","Basaltic pillow flows, pillow breccia and breccia; rhyolitic tuff with calcareous interbeds, flow breccia, and banded ash-flow tuff, and subordinate andesitic breccia and aquagene tuff. Rocks in most areas are moderately recrystallized and deformed.","Triassic","Fossils from interbedded rocks or from conformable adjacent strata indicate deposition during Norian and Carnian time.",null,"Ketchikan","Igneous",null]
[4474,null,4630,"Trv","PA006","Volcanic rocks (rhyolitic to basaltic)","Basaltic pillow flows, pillow breccia and breccia; rhyolitic tuff with calcareous interbeds, flow breccia, and banded ash-flow tuff, and subordinate andesitic breccia and aquagene tuff. Rocks in most areas are moderately recrystallized and deformed.","Triassic","Fossils from interbedded rocks or from conformable adjacent strata indicate deposition during Norian and Carnian time.",null,"Port Alexander","Igneous",null]
[4474,null,4630,"Trv","PE006","Volcanic rocks (rhyolitic to basaltic)","Basaltic pillow flows, pillow breccia and breccia; rhyolitic tuff with calcareous interbeds, flow breccia, and banded ash-flow tuff, and subordinate andesitic breccia and aquagene tuff. Rocks in most areas are moderately recrystallized and deformed.","Triassic","Fossils from interbedded rocks or from conformable adjacent strata indicate deposition during Norian and Carnian time.",null,"Petersburg","Igneous",null]
[4474,null,4630,"Trv","SD016","Volcanic rocks (rhyolitic to basaltic)","Basaltic pillow flows, pillow breccia and breccia; rhyolitic tuff with calcareous interbeds, flow breccia, and banded ash-flow tuff, and subordinate andesitic breccia and aquagene tuff. Rocks in most areas are moderately recrystallized and deformed.","Triassic","Fossils from interbedded rocks or from conformable adjacent strata indicate deposition during Norian and Carnian time.",null,"Sumdum","Igneous",null]
[4474,null,4630,"Trv","SI009","Volcanic rocks (rhyolitic to basaltic)","Basaltic pillow flows, pillow breccia and breccia; rhyolitic tuff with calcareous interbeds, flow breccia, and banded ash-flow tuff, and subordinate andesitic breccia and aquagene tuff. Rocks in most areas are moderately recrystallized and deformed.","Triassic","Fossils from interbedded rocks or from conformable adjacent strata indicate deposition during Norian and Carnian time.",null,"Sitka","Igneous",null]
[4521,null,4930,"TrPc","CR012","Carbonate rocks","Unfossiliferous marble.","Triassic and (or) Permian",null,null,"Craig","Metamorphic",null]
[4521,null,4930,"TrPc","JU012","Carbonate rocks","Unfossiliferous marble.","Triassic and (or) Permian",null,null,"Juneau","Metamorphic",null]
[4521,"Q",4930,"TrPc?","KC013","Carbonate rocks","Unfossiliferous marble.","Triassic and (or) Permian",null,null,"Ketchikan","Metamorphic",null]
[4521,null,4930,"TrPc","PE006","Carbonate rocks","Unfossiliferous marble.","Triassic and (or) Permian",null,null,"Petersburg","Metamorphic",null]
[4521,"Q",4931,"TrPc?","CR012","Carbonate rocks","Unfossiliferous marble.","Triassic and (or) Permian",null,null,"Craig","Metamorphic",null]
[4521,"Q",4931,"TrPc?","PE006","Carbonate rocks","Unfossiliferous marble.","Triassic and (or) Permian",null,null,"Petersburg","Metamorphic",null]
[5010,null,4880,"KPs","BC006","Sedimentary rocks","Carbonaceous shale, mudstone, and graywacke; subordinate limestone, chert, conglomerate, and mafic volcanic rocks; minor felsic volcanic rocks; and the metamorphosed and deformed equivalents of these rocks.","Cretaceous to Permian","Triassic fossils were recovered from carbonaceous slate and limestone assigned to this map unit near Juneau (Ford and Brew, 1977; H.C. Berg, unpub. data, 1981), and similar strata (locally mapped as Triassic clastic sedimentary and carbonate rocks (Trsc)",null,"Bradfield Canal","Sedimentary",null]
[5010,null,4880,"KPs","JU012","Sedimentary rocks","Carbonaceous shale, mudstone, and graywacke; subordinate limestone, chert, conglomerate, and mafic volcanic rocks; minor felsic volcanic rocks; and the metamorphosed and deformed equivalents of these rocks.","Cretaceous to Permian","Triassic fossils were recovered from carbonaceous slate and limestone assigned to this map unit near Juneau (Ford and Brew, 1977; H.C. Berg, unpub. data, 1981), and similar strata (locally mapped as Triassic clastic sedimentary and carbonate rocks (Trsc)",null,"Juneau","Sedimentary",null]
[5010,null,4880,"KPs","KC013","Sedimentary rocks","Carbonaceous shale, mudstone, and graywacke; subordinate limestone, chert, conglomerate, and mafic volcanic rocks; minor felsic volcanic rocks; and the metamorphosed and deformed equivalents of these rocks.","Cretaceous to Permian","Triassic fossils were recovered from carbonaceous slate and limestone assigned to this map unit near Juneau (Ford and Brew, 1977; H.C. Berg, unpub. data, 1981), and similar strata (locally mapped as Triassic clastic sedimentary and carbonate rocks (Trsc)",null,"Ketchikan","Sedimentary",null]
[5010,null,4880,"KPs","PE006","Sedimentary rocks","Carbonaceous shale, mudstone, and graywacke; subordinate limestone, chert, conglomerate, and mafic volcanic rocks; minor felsic volcanic rocks; and the metamorphosed and deformed equivalents of these rocks.","Cretaceous to Permian","Triassic fossils were recovered from carbonaceous slate and limestone assigned to this map unit near Juneau (Ford and Brew, 1977; H.C. Berg, unpub. data, 1981), and similar strata (locally mapped as Triassic clastic sedimentary and carbonate rocks (Trsc)",null,"Petersburg","Sedimentary",null]
[5010,null,4880,"KPs","SD016","Sedimentary rocks","Carbonaceous shale, mudstone, and graywacke; subordinate limestone, chert, conglomerate, and mafic volcanic rocks; minor felsic volcanic rocks; and the metamorphosed and deformed equivalents of these rocks.","Cretaceous to Permian","Triassic fossils were recovered from carbonaceous slate and limestone assigned to this map unit near Juneau (Ford and Brew, 1977; H.C. Berg, unpub. data, 1981), and similar strata (locally mapped as Triassic clastic sedimentary and carbonate rocks (Trsc)",null,"Sumdum","Sedimentary",null]
[5010,null,4880,"KPs","TR008","Sedimentary rocks","Carbonaceous shale, mudstone, and graywacke; subordinate limestone, chert, conglomerate, and mafic volcanic rocks; minor felsic volcanic rocks; and the metamorphosed and deformed equivalents of these rocks.","Cretaceous to Permian","Triassic fossils were recovered from carbonaceous slate and limestone assigned to this map unit near Juneau (Ford and Brew, 1977; H.C. Berg, unpub. data, 1981), and similar strata (locally mapped as Triassic clastic sedimentary and carbonate rocks (Trsc)",null,"Taku River","Sedimentary",null]
[5010,"Q",4881,"KPs?","PE006","Sedimentary rocks","Carbonaceous shale, mudstone, and graywacke; subordinate limestone, chert, conglomerate, and mafic volcanic rocks; minor felsic volcanic rocks; and the metamorphosed and deformed equivalents of these rocks.","Cretaceous to Permian","Triassic fossils were recovered from carbonaceous slate and limestone assigned to this map unit near Juneau (Ford and Brew, 1977; H.C. Berg, unpub. data, 1981), and similar strata (locally mapped as Triassic clastic sedimentary and carbonate rocks (Trsc)",null,"Petersburg","Sedimentary",null]
[5011,null,4900,"KPsv","BC006","Sedimentary and volcanic rocks, undivided","Shale, mudstone, graywacke, andesitic or basaltic rocks, subordinate chert and carbonate rocks, and the regionally metamorphosed equivalents of these strata.","Cretaceous to Permian",null,null,"Bradfield Canal","Sedimentary",null]
[5011,null,4900,"KPsv","JU012","Sedimentary and volcanic rocks, undivided","Shale, mudstone, graywacke, andesitic or basaltic rocks, subordinate chert and carbonate rocks, and the regionally metamorphosed equivalents of these strata.","Cretaceous to Permian",null,null,"Juneau","Sedimentary",null]
[5011,null,4900,"KPsv","KC013","Sedimentary and volcanic rocks, undivided","Shale, mudstone, graywacke, andesitic or basaltic rocks, subordinate chert and carbonate rocks, and the regionally metamorphosed equivalents of these strata.  (Where shown having a stippled overprint on map, consists of undifferentiated intrusive and str","Cretaceous to Permian",null,null,"Ketchikan","Sedimentary",null]
[5011,null,4900,"KPsv","PR003","Sedimentary and volcanic rocks, undivided","Shale, mudstone, graywacke, andesitic or basaltic rocks, subordinate chert and carbonate rocks, and the regionally metamorphosed equivalents of these strata.  (Where shown having a stippled overprint on map, consists of undifferentiated intrusive and str","Cretaceous to Permian",null,null,"Prince Rupert","Sedimentary",null]
[5011,null,4900,"KPsv","SD016","Sedimentary and volcanic rocks, undivided","Shale, mudstone, graywacke, andesitic or basaltic rocks, subordinate chert and carbonate rocks, and the regionally metamorphosed equivalents of these strata.","Cretaceous to Permian",null,null,"Sumdum","Sedimentary",null]
[5011,null,4900,"KPsv","SI009","Sedimentary and volcanic rocks, undivided","Shale, mudstone, graywacke, andesitic or basaltic rocks, subordinate chert and carbonate rocks, and the regionally metamorphosed equivalents of these strata.","Cretaceous to Permian",null,null,"Sitka","Sedimentary",null]
[5011,null,4900,"KPsv","TR008","Sedimentary and volcanic rocks, undivided","Shale, mudstone, graywacke, andesitic or basaltic rocks, subordinate chert and carbonate rocks, and the regionally metamorphosed equivalents of these strata.","Cretaceous to Permian",null,null,"Taku River","Sedimentary",null]
[5105,null,4890,"KPv","JU012","Volcanic rocks","Andesitic or basaltic flows and locally fragmental rocks, subordinate clastic strata and carbonate, and the metamorphosed and deformed equivalents of these rocks.","Cretaceous to Permian","Graphitic slate assigned to unit contains Late Triassic fossils near Juneau (Brew and Grybeck, 1984, p.31), and marble intercalated with metavolcanic rocks contains Permian and Permian (?) fossils near Juneau, along coast southeast of Juneau, and in Endi",null,"Juneau","Igneous",null]
[5105,null,4890,"KPv","KC013","Volcanic rocks","Andesitic or basaltic flows and locally fragmental rocks, subordinate clastic strata and carbonate, and the metamorphosed and deformed equivalents of these rocks.","Cretaceous to Permian","Graphitic slate assigned to unit contains Late Triassic fossils near Juneau (Brew and Grybeck, 1984, p.31), and marble intercalated with metavolcanic rocks contains Permian and Permian (?) fossils near Juneau, along coast southeast of Juneau, and in Endi",null,"Ketchikan","Igneous",null]
[5105,null,4890,"KPv","PE006","Volcanic rocks","Andesitic or basaltic flows and locally fragmental rocks, subordinate clastic strata and carbonate, and the metamorphosed and deformed equivalents of these rocks.","Cretaceous to Permian","Graphitic slate assigned to unit contains Late Triassic fossils near Juneau (Brew and Grybeck, 1984, p.31), and marble intercalated with metavolcanic rocks contains Permian and Permian (?) fossils near Juneau, along coast southeast of Juneau, and in Endi",null,"Petersburg","Igneous",null]
[5105,null,4890,"KPv","SD016","Volcanic rocks","Andesitic or basaltic flows and locally fragmental rocks, subordinate clastic strata and carbonate, and the metamorphosed and deformed equivalents of these rocks.","Cretaceous to Permian","Graphitic slate assigned to unit contains Late Triassic fossils near Juneau (Brew and Grybeck, 1984, p.31), and marble intercalated with metavolcanic rocks contains Permian and Permian (?) fossils near Juneau, along coast southeast of Juneau, and in Endi",null,"Sumdum","Igneous",null]
[5105,null,4890,"KPv","TR008","Volcanic rocks","Andesitic or basaltic flows and locally fragmental rocks, subordinate clastic strata and carbonate, and the metamorphosed and deformed equivalents of these rocks.","Cretaceous to Permian","Graphitic slate assigned to unit contains Late Triassic fossils near Juneau (Brew and Grybeck, 1984, p.31), and marble intercalated with metavolcanic rocks contains Permian and Permian (?) fossils near Juneau, along coast southeast of Juneau, and in Endi",null,"Taku River","Igneous",null]
[5200,null,4950,"TrOsv","JU012","Sedimentary and volcanic rocks, undivided","Clastic sedimentary rocks, subordinate mafic to felsic volcanic rocks, thin- to thick-bedded gray carbonate, chert, and minor ultramafic rocks that have been regionally metamorphosed to slate, phyllite, greenschist, schist, gneiss, and marble in many are","Triassic to Ordovician","Devonian fossils were recovered from marble in the Gambier Bay Formation",null,"Juneau","Sedimentary",null]
[5200,null,4950,"TrOsv","SD016","Sedimentary and volcanic rocks, undivided","Clastic sedimentary rocks, subordinate mafic to felsic volcanic rocks, thin- to thick-bedded gray carbonate, chert, and minor ultramafic rocks that have been regionally metamorphosed to slate, phyllite, greenschist, schist, gneiss, and marble in many are","Triassic to Ordovician","Devonian fossils were recovered from marble in the Gambier Bay Formation",null,"Sumdum","Sedimentary",null]
[5200,null,4950,"TrOsv","SI009","Sedimentary and volcanic rocks, undivided","Clastic sedimentary rocks, subordinate mafic to felsic volcanic rocks, thin- to thick-bedded gray carbonate, chert, and minor ultramafic rocks that have been regionally metamorphosed to slate, phyllite, greenschist, schist, gneiss, and marble in many are","Triassic to Ordovician","Devonian fossils were recovered from marble in the Gambier Bay Formation",null,"Sitka","Sedimentary",null]
[5200,null,4950,"TrOsv","SK015","Sedimentary and volcanic rocks, undivided","CClastic sedimentary rocks, subordinate mafic to felsic volcanic rocks, thin- to thick-bedded gray carbonate, chert, and minor ultramafic rocks that have been regionally metamorphosed to slate, phyllite, greenschist, schist, gneiss, and marble in many ar","Triassic to Ordovician","Devonian fossils were recovered from marble in the Gambier Bay Formation",null,"Skagway","Sedimentary",null]
[5260,null,4940,"TrPsv","JU012","Sedimentary and volcanic rocks, undivided","Andesitic to basaltic pillow flows, breccia, and tuff; felsic tuff; graywacke, mudstone, shale, chert, conglomerate, and carbonate; and the metamorphic equivalents of these strata.","Triassic and Permian",null,null,"Juneau","Sedimentary",null]
[5260,null,4940,"TrPsv","SI009","Sedimentary and volcanic rocks, undivided","Andesitic to basaltic pillow flows, breccia, and tuff; felsic tuff; graywacke, mudstone, shale, chert, conglomerate, and carbonate; and the metamorphic equivalents of these strata.","Triassic and Permian",null,null,"Sitka","Sedimentary",null]
[5270,null,4920,"JMsv","BC006","Sedimentary and volcanic rocks, undivided","Diverse assemblage of sedimentary and volcanic rocks and their metamorphic equivalents.","Jurassic to Mississippian",null,null,"Bradfield Canal","Metamorphic",null]
[5270,null,4920,"JMsv","KC013","Sedimentary and volcanic rocks, undivided","Diverse assemblage of sedimentary and volcanic rocks and their metamorphic equivalents.","Jurassic to Mississippian",null,null,"Ketchikan","Metamorphic",null]
[5270,null,4920,"JMsv","TR008","Sedimentary and volcanic rocks, undivided","Diverse assemblage of sedimentary and volcanic rocks and their metamorphic equivalents.","Jurassic to Mississippian",null,null,"Taku River","Metamorphic",null]
[5271,null,4910,"KPsvc","MF011","Clastic sedimentary, volcanic, and carbonate rocks","Unnamed fossiliferous argillite of Cretaceous age; variably metamorphosed chert, tuffaceous sandstone, felsic tuff, argillite, and light-gray, thin-bedded limestone of Mesozoic or Paleozoic age; highly sheared metasedimentary, metavolcanic, and granodior","Cretaceous to Permian","Unnamed fossiliferous argillite of Cretaceous age",null,"Mount Fairweather","Metamorphic",null]
[5271,null,4910,"KPsvc","SI009","Clastic sedimentary, volcanic, and carbonate rocks","Unnamed fossiliferous argillite of Cretaceous age; variably metamorphosed chert, tuffaceous sandstone, felsic tuff, argillite, and light-gray, thin-bedded limestone of Mesozoic or Paleozoic age; highly sheared metasedimentary, metavolcanic, and granodior","Cretaceous to Permian","Unnamed fossiliferous argillite of Cretaceous age",null,"Sitka","Metamorphic",null]
[5765,null,4700,"Pc","JU012","Carbonate rocks","Greenschist-facies, massive to thin-bedded marble; medium-bedded dolomite, limestone, and subordinate gray chert beds and nodules; and unnamed fossiliferous gray limestone, cherty limestone, and limestone conglomerate.","Permian","Unnamed fossiliferous gray limestone, cherty limestone, and limestone conglomerate of Permian age northeast of Glacier Bay (Brew and others, 1978) and along west shore of Lynn Canal (Lathram and others, 1959; Brew and Ford, 1985).",null,"Juneau","Sedimentary",null]
[5765,null,4700,"Pc","KC013","Carbonate rocks","Greenschist-facies, massive to thin-bedded marble; medium-bedded dolomite, limestone, and subordinate gray chert beds and nodules; and unnamed fossiliferous gray limestone, cherty limestone, and limestone conglomerate.","Permian","Unnamed fossiliferous gray limestone, cherty limestone, and limestone conglomerate of Permian age northeast of Glacier Bay (Brew and others, 1978) and along west shore of Lynn Canal (Lathram and others, 1959; Brew and Ford, 1985).",null,"Ketchikan","Metamorphic",null]
[5765,null,4700,"Pc","MF011","Carbonate rocks","Greenschist-facies, massive to thin-bedded marble; medium-bedded dolomite, limestone, and subordinate gray chert beds and nodules; and unnamed fossiliferous gray limestone, cherty limestone, and limestone conglomerate.","Permian","Unnamed fossiliferous gray limestone, cherty limestone, and limestone conglomerate of Permian age northeast of Glacier Bay (Brew and others, 1978) and along west shore of Lynn Canal (Lathram and others, 1959; Brew and Ford, 1985).",null,"Mount Fairweather","Metamorphic",null]
[5765,null,4700,"Pc","PA006","Carbonate rocks","Greenschist-facies, massive to thin-bedded marble; medium-bedded dolomite, limestone, and subordinate gray chert beds and nodules; and unnamed fossiliferous gray limestone, cherty limestone, and limestone conglomerate.","Permian","Unnamed fossiliferous gray limestone, cherty limestone, and limestone conglomerate of Permian age northeast of Glacier Bay (Brew and others, 1978) and along west shore of Lynn Canal (Lathram and others, 1959; Brew and Ford, 1985).",null,"Port Alexander","Metamorphic",null]
[5765,null,4700,"Pc","PE006","Carbonate rocks","Greenschist-facies, massive to thin-bedded marble; medium-bedded dolomite, limestone, and subordinate gray chert beds and nodules; and unnamed fossiliferous gray limestone, cherty limestone, and limestone conglomerate.","Permian","Unnamed fossiliferous gray limestone, cherty limestone, and limestone conglomerate of Permian age northeast of Glacier Bay (Brew and others, 1978) and along west shore of Lynn Canal (Lathram and others, 1959; Brew and Ford, 1985).",null,"Petersburg","Metamorphic",null]
[5765,null,4700,"Pc","SD016","Carbonate rocks","Greenschist-facies, massive to thin-bedded marble; medium-bedded dolomite, limestone, and subordinate gray chert beds and nodules; and unnamed fossiliferous gray limestone, cherty limestone, and limestone conglomerate.","Permian","Unnamed fossiliferous gray limestone, cherty limestone, and limestone conglomerate of Permian age northeast of Glacier Bay (Brew and others, 1978) and along west shore of Lynn Canal (Lathram and others, 1959; Brew and Ford, 1985).",null,"Sumdum","Metamorphic",null]
[5765,null,4700,"Pc","SI009","Carbonate rocks","Greenschist-facies, massive to thin-bedded marble; medium-bedded dolomite, limestone, and subordinate gray chert beds and nodules; and unnamed fossiliferous gray limestone, cherty limestone, and limestone conglomerate.","Permian","Unnamed fossiliferous gray limestone, cherty limestone, and limestone conglomerate of Permian age northeast of Glacier Bay (Brew and others, 1978) and along west shore of Lynn Canal (Lathram and others, 1959; Brew and Ford, 1985).",null,"Sitka","Metamorphic",null]
[5765,null,4700,"Pc","SK015","Carbonate rocks","Greenschist-facies, massive to thin-bedded marble; medium-bedded dolomite, limestone, and subordinate gray chert beds and nodules; and unnamed fossiliferous gray limestone, cherty limestone, and limestone conglomerate.","Permian","Unnamed fossiliferous gray limestone, cherty limestone, and limestone conglomerate of Permian age northeast of Glacier Bay (Brew and others, 1978) and along west shore of Lynn Canal (Lathram and others, 1959; Brew and Ford, 1985).",null,"Skagway","Metamorphic",null]
[5766,null,4680,"Ps","JU012","Sedimentary rocks","Black argillite, graywacke, calcareous siltstone, chert, and minor basaltic rocks, limestone, and conglomerate.","Permian",null,null,"Juneau","Sedimentary",null]
[5766,null,4680,"Ps","MF011","Sedimentary rocks","Black argillite, graywacke, calcareous siltstone, chert, and minor basaltic rocks, limestone, and conglomerate.","Permian",null,null,"Mount Fairweather","Sedimentary",null]
[5766,null,4680,"Ps","PA006","Sedimentary rocks","Black argillite, graywacke, calcareous siltstone, chert, and minor basaltic rocks, limestone, and conglomerate.","Permian",null,null,"Port Alexander","Sedimentary",null]
[5766,null,4680,"Ps","SD016","Sedimentary rocks","Black argillite, graywacke, calcareous siltstone, chert, and minor basaltic rocks, limestone, and conglomerate.","Permian",null,null,"Sumdum","Sedimentary",null]
[5766,null,4680,"Ps","SI009","Sedimentary rocks","Black argillite, graywacke, calcareous siltstone, chert, and minor basaltic rocks, limestone, and conglomerate.","Permian",null,null,"Sitka","Sedimentary",null]
[5766,null,4680,"Ps","SK015","Sedimentary rocks","Black argillite, graywacke, calcareous siltstone, chert, and minor basaltic rocks, limestone, and conglomerate.","Permian",null,null,"Skagway","Sedimentary",null]
[5810,null,4690,"Pv","JU012","Volcanic rocks","Lower Permian basalt (part of the Halleck Formation) on northern Kuiu Island (Muffler, 1967) and unnamed Permian basaltic (?) rocks northeast of Glacier Bay (Brew and others, 1978).","Permian",null,null,"Juneau","Igneous",null]
[5810,null,4690,"Pv","PA006","Volcanic rocks","Lower Permian basalt (part of the Halleck Formation) on northern Kuiu Island (Muffler, 1967) and unnamed Permian basaltic (?) rocks northeast of Glacier Bay (Brew and others, 1978).","Permian",null,null,"Port Alexander","Igneous",null]
[5810,null,4690,"Pv","SK015","Volcanic rocks","Lower Permian basalt (part of the Halleck Formation) on northern Kuiu Island (Muffler, 1967) and unnamed Permian basaltic (?) rocks northeast of Glacier Bay (Brew and others, 1978).","Permian",null,null,"Skagway","Igneous",null]
[5875,null,5350,"PPasy","CR012","Syenite","Syenite on Sukkwan Island that contains biotite +/- amphibole +/- aegerine +/- augite.","Permian and (or) Pennsylvanian",null,"Yielded potassium-argon apparent ages of Early Permian (hornblende) and Late Pennsylvanian (biotite) (Eberlein and others, 1983)","Craig","Igneous",null]
[5930,null,4740,"MDsv","PE006","Sedimentary and volcanic rocks, undivided","Tuffaceous argillite and graywacke and subordinate chert, limestone, and andesitic volcanic rocks.","Mississippian and Devonian","Fossils are Late Devonian and Early and Late Mississippian in age (Jones and others, 1981).",null,"Petersburg","Sedimentary",null]
[5930,null,4740,"MDsv","SD016","Sedimentary and volcanic rocks, undivided","Tuffaceous argillite and graywacke and subordinate chert, limestone, and andesitic volcanic rocks.","Mississippian and Devonian","Fossils are Late Devonian and Early and Late Mississippian in age (Jones and others, 1981).",null,"Sumdum","Sedimentary",null]
[5930,null,4740,"MDsv","SI009","Sedimentary and volcanic rocks, undivided","Tuffaceous argillite and graywacke and subordinate chert, limestone, and andesitic volcanic rocks.","Mississippian and Devonian","Fossils are Late Devonian and Early and Late Mississippian in age (Jones and others, 1981).",null,"Sitka","Sedimentary",null]
[6030,null,4720,"Pac","CR012","Carbonate rocks","Massive limestone and minor dolomite containing light-gray chert nodules, and unnamed, medium-bedded to massive crinoidal limestone.","Pennsylvanian","Unnamed, medium-bedded to massive crinoidal limestone on northern Kuiu Island (Brew and others, 1984).",null,"Craig","Sedimentary",null]
[6030,null,4720,"Pac","PA006","Carbonate rocks","Massive limestone and minor dolomite containing light-gray chert nodules, and unnamed, medium-bedded to massive crinoidal limestone.","Pennsylvanian","Unnamed, medium-bedded to massive crinoidal limestone on northern Kuiu Island (Brew and others, 1984).",null,"Port Alexander","Sedimentary",null]
[6031,null,4710,"Pas","CR012","Sedimentary rocks","Middle and Lower Pennsylvanian sandstone and siltstone containing minor limestone and chert-pebble conglomerate (Klawak Formation).","Pennsylvanian",null,null,"Craig","Sedimentary",null]
[6095,null,4970,"PaDsv","PA006","Sedimentary and volcanic rocks, undivided","Saginaw Bay Formation on Kuiu Island. From youngest to oldest, unit consists of silty limestone, calcareous chert and limestone, black chert, and massive aquagene tuff and pillow breccia (Muffler, 1967).","Pennsylvanian to Devonian","Volcanic rocks yielded earliest Late to latest Early Devonian conodonts (Dutro and others, 1981; Brew and others, 1984).",null,"Port Alexander","Sedimentary",null]
[6095,null,4970,"PaDsv","PE006","Sedimentary and volcanic rocks, undivided","Saginaw Bay Formation on Kuiu Island. From youngest to oldest, unit consists of silty limestone, calcareous chert and limestone, black chert, and massive aquagene tuff and pillow breccia (Muffler, 1967).","Pennsylvanian to Devonian","Volcanic rocks yielded earliest Late to latest Early Devonian conodonts (Dutro and others, 1981; Brew and others, 1984).",null,"Petersburg","Sedimentary",null]
[6340,null,4730,"Mc","CR012","Carbonate rocks","Thin- to thick-bedded, dark-gray limestone, subordinate beds and nodules of light-gray chert, and minor shale and gypsum.","Mississippian",null,null,"Craig","Sedimentary",null]
[6340,null,4730,"Mc","JU012","Carbonate rocks","Thin- to thick-bedded, dark-gray limestone, subordinate beds and nodules of light-gray chert, and minor shale and gypsum.","Mississippian",null,null,"Juneau","Sedimentary",null]
[6340,null,4730,"Mc","SI009","Carbonate rocks","Thin- to thick-bedded, dark-gray limestone, subordinate beds and nodules of light-gray chert, and minor shale and gypsum.","Mississippian",null,null,"Sitka","Sedimentary",null]
[6616,null,5000,"DOc","JU012","Carbonate rocks","Carbonate rocks that were metamorphosed to thin- to thick-bedded, dark-gray to white marble.","Devonian to Ordovician",null,null,"Juneau","Metamorphic",null]
[6616,null,5000,"DOc","MF011","Carbonate rocks","Carbonate rocks that were metamorphosed to thin- to thick-bedded, dark-gray to white marble.","Devonian to Ordovician",null,null,"Mount Fairweather","Metamorphic",null]
[6616,null,5000,"DOc","SI009","Carbonate rocks","Carbonate rocks that were metamorphosed to thin- to thick-bedded, dark-gray to white marble.","Devonian to Ordovician",null,null,"Sitka","Metamorphic",null]
[6616,null,5000,"DOc","SK015","Carbonate rocks","Carbonate rocks that were metamorphosed to thin- to thick-bedded, dark-gray to white marble.","Devonian to Ordovician",null,null,"Skagway","Metamorphic",null]
[6617,null,4960,"TrOc","SI009","Carbonate rocks","Carbonate rocks regionally metamorphosed to gray marble.","Triassic to Ordovician","Fossils of Pennsylvanian (?) or Permian (?), Paleozoic (?), and Devonian (?) or Silurian (?) age were recovered from unit west of Haines (MacKevett and others, 1974) and fossils of probable Mississippian age were recovered from marble in associated Trias",null,"Sitka","Sedimentary",null]
[6617,null,4960,"TrOc","SK015","Carbonate rocks","Carbonate rocks regionally metamorphosed to gray marble.","Triassic to Ordovician","Fossils of Pennsylvanian (?) or Permian (?), Paleozoic (?), and Devonian (?) or Silurian (?) age were recovered from unit west of Haines (MacKevett and others, 1974) and fossils of probable Mississippian age were recovered from marble in associated Trias",null,"Skagway","Sedimentary",null]
[6618,null,4810,"Scg","CR012","Conglomeratic rocks","Polymictic pebble and cobble conglomerate and subordinate sedimentary breccia, olistostromal deposits, sandstone, graywacke, mudstone, and limestone. Clasts consist of porphyritic andesite, limestone, graywacke, mudstone, granitic to gabbroic intrusive r","Silurian",null,null,"Craig","Sedimentary",null]
[6618,null,4810,"Scg","PA006","Conglomeratic rocks","Polymictic pebble and cobble conglomerate and subordinate sedimentary breccia, olistostromal deposits, sandstone, graywacke, mudstone, and limestone. Clasts consist of porphyritic andesite, limestone, graywacke, mudstone, granitic to gabbroic intrusive r","Silurian",null,null,"Port Alexander","Sedimentary",null]
[6618,null,4810,"Scg","PE006","Conglomeratic rocks","Polymictic pebble and cobble conglomerate and subordinate sedimentary breccia, olistostromal deposits, sandstone, graywacke, mudstone, and limestone. Clasts consist of porphyritic andesite, limestone, graywacke, mudstone, granitic to gabbroic intrusive r","Silurian",null,null,"Petersburg","Sedimentary",null]
[6618,null,4810,"Scg","SI009","Conglomeratic rocks","Polymictic pebble and cobble conglomerate and subordinate sedimentary breccia, olistostromal deposits, sandstone, graywacke, mudstone, and limestone. Clasts consist of porphyritic andesite, limestone, graywacke, mudstone, granitic to gabbroic intrusive r","Silurian",null,null,"Sitka","Sedimentary",null]
[6619,null,4820,"Ss","CR012","Sedimentary rocks","Graywacke and mudstone turbidites and subordinate olistostromal deposits, layers, and lenses of limestone, and conglomerate.","Silurian",null,null,"Craig","Sedimentary",null]
[6619,null,4820,"Ss","JU012","Sedimentary rocks","Graywacke and mudstone turbidites and subordinate olistostromal deposits, layers, and lenses of limestone, and conglomerate.","Silurian",null,null,"Juneau","Sedimentary",null]
[6619,null,4820,"Ss","MF011","Sedimentary rocks","Graywacke and mudstone turbidites and subordinate olistostromal deposits, layers, and lenses of limestone, and conglomerate.","Silurian",null,null,"Mount Fairweather","Sedimentary",null]
[6619,null,4820,"Ss","PA006","Sedimentary rocks","Graywacke and mudstone turbidites and subordinate olistostromal deposits, layers, and lenses of limestone, and conglomerate.","Silurian",null,null,"Port Alexander","Sedimentary",null]
[6619,null,4820,"Ss","PE006","Sedimentary rocks","Graywacke and mudstone turbidites and subordinate olistostromal deposits, layers, and lenses of limestone, and conglomerate.","Silurian",null,null,"Petersburg","Sedimentary",null]
[6619,null,4820,"Ss","SI009","Sedimentary rocks","Graywacke and mudstone turbidites and subordinate olistostromal deposits, layers, and lenses of limestone, and conglomerate.","Silurian",null,null,"Sitka","Sedimentary",null]
[6619,null,4820,"Ss","SK015","Sedimentary rocks","Graywacke and mudstone turbidites and subordinate olistostromal deposits, layers, and lenses of limestone, and conglomerate.","Silurian",null,null,"Skagway","Sedimentary",null]
[6689,null,4860,"SOsv","CR012","Sedimentary and volcanic rocks, undivided","Mudstone and graywacke turbidites, basaltic and andesitic volcanic rocks, and metamorphic equivalents of these strata.","Silurian and Ordovician",null,null,"Craig","Sedimentary",null]
[6689,null,4860,"SOsv","KC013","Sedimentary and volcanic rocks, undivided","Mudstone and graywacke turbidites, basaltic and andesitic volcanic rocks, and metamorphic equivalents of these strata.","Silurian and Ordovician",null,null,"Ketchikan","Sedimentary",null]
[6689,null,4860,"SOsv","PE006","Sedimentary and volcanic rocks, undivided","Mudstone and graywacke turbidites, basaltic and andesitic volcanic rocks, and metamorphic equivalents of these strata.","Silurian and Ordovician",null,null,"Petersburg","Sedimentary",null]
[6689,null,4860,"SOsv","PR003","Sedimentary and volcanic rocks, undivided","Mudstone and graywacke turbidites, basaltic and andesitic volcanic rocks, and metamorphic equivalents of these strata.","Silurian and Ordovician",null,null,"Prince Rupert","Sedimentary",null]
[6689,"Q",4861,"SOsv?","CR012","Sedimentary and volcanic rocks, undivided","Mudstone and graywacke turbidites, basaltic and andesitic volcanic rocks, and metamorphic equivalents of these strata.","Silurian and Ordovician",null,null,"Craig","Sedimentary",null]
[6690,null,4840,"SOs","CR012","Sedimentary rocks","Mudstone and graywacke turbidites, subordinate conglomerate, sandstone, and shale, and minor limestone, chert, and basalt flows and breccia.","Silurian and Ordovician",null,null,"Craig","Sedimentary",null]
[6690,null,4840,"SOs","KC013","Sedimentary rocks","Mudstone and graywacke turbidites, subordinate conglomerate, sandstone, and shale, and minor limestone, chert, and basalt flows and breccia.","Silurian and Ordovician",null,null,"Ketchikan","Sedimentary",null]
[6690,null,4840,"SOs","PE006","Sedimentary rocks","Mudstone and graywacke turbidites, subordinate conglomerate, sandstone, and shale, and minor limestone, chert, and basalt flows and breccia.","Silurian and Ordovician",null,null,"Petersburg","Sedimentary",null]
[6690,null,4840,"SOs","PR003","Sedimentary rocks","Mudstone and graywacke turbidites, subordinate conglomerate, sandstone, and shale, and minor limestone, chert, and basalt flows and breccia.","Silurian and Ordovician",null,null,"Prince Rupert","Sedimentary",null]
[6690,null,4840,"SOs","SI009","Sedimentary rocks","Mudstone and graywacke turbidites, subordinate conglomerate, sandstone, and shale, and minor limestone, chert, and basalt flows and breccia.","Silurian and Ordovician",null,null,"Sitka","Sedimentary",null]
[6690,null,4841,"SOs?","DE008","Sedimentary rocks","Mudstone and graywacke turbidites, subordinate conglomerate, sandstone, and shale, and minor limestone, chert, and basalt flows and breccia.","Silurian and Ordovician",null,null,"Dixon Entrance","Sedimentary",null]
[6712,null,4850,"SOv","CR012","Volcanic rocks","Basaltic pillow flows, pillow breccia, and aquagene tuff; massive andesite pyroclastic breccia; felsic breccia and tuff; subordinate interbeds of mudstone and graywacke turbidites and metamorphic equivalents of these strata.","Silurian and Ordovician",null,null,"Craig","Igneous",null]
[6712,null,4850,"SOv","DE008","Volcanic rocks","Basaltic pillow flows, pillow breccia, and aquagene tuff; massive andesite pyroclastic breccia; felsic breccia and tuff; subordinate interbeds of mudstone and graywacke turbidites and metamorphic equivalents of these strata.","Silurian and Ordovician",null,null,"Dixon Entrance","Igneous",null]
[6712,null,4850,"SOv","PR003","Volcanic rocks","Basaltic pillow flows, pillow breccia, and aquagene tuff; massive andesite pyroclastic breccia; felsic breccia and tuff; subordinate interbeds of mudstone and graywacke turbidites and metamorphic equivalents of these strata.","Silurian and Ordovician",null,null,"Prince Rupert","Igneous",null]
[6730,null,5360,"Sst","DE008","Syenite and trondhjemite","Leucocratic biotite +/- aegerine +/- arfvedsonite +/- garnet syenite and subordinate leucodiorite; biotite and hornblende trondhjemite); and undivided biotite and (or) hornblende syenite and trondhjemite.","Silurian",null,"Silurian age indicated by a minimum potassium-argon apparent age on Chichagof Island (Lanphere and others, 1965) and by uranium-lead (zircon) apparent ages of rocks from Annette, Gravina, and Prince of Wales Islands and mainland to southeast (Gehrels and","Dixon Entrance","Igneous",null]
[6730,null,5360,"Sst","KC013","Syenite and trondhjemite","Leucocratic biotite +/- aegerine +/- arfvedsonite +/- garnet syenite and subordinate leucodiorite; biotite and hornblende trondhjemite); and undivided biotite and (or) hornblende syenite and trondhjemite.","Silurian",null,"Silurian age indicated by a minimum potassium-argon apparent age on Chichagof Island (Lanphere and others, 1965) and by uranium-lead (zircon) apparent ages of rocks from Annette, Gravina, and Prince of Wales Islands and mainland to southeast (Gehrels and","Ketchikan","Igneous",null]
[6730,null,5360,"Sst","PR003","Syenite and trondhjemite","Leucocratic biotite +/- aegerine +/- arfvedsonite +/- garnet syenite and subordinate leucodiorite; biotite and hornblende trondhjemite); and undivided biotite and (or) hornblende syenite and trondhjemite.","Silurian",null,"Silurian age indicated by a minimum potassium-argon apparent age on Chichagof Island (Lanphere and others, 1965) and by uranium-lead (zircon) apparent ages of rocks from Annette, Gravina, and Prince of Wales Islands and mainland to southeast (Gehrels and","Prince Rupert","Igneous",null]
[6730,null,5360,"Sst","SI009","Syenite and trondhjemite","Leucocratic biotite +/- aegerine +/- arfvedsonite +/- garnet syenite and subordinate leucodiorite; biotite and hornblende trondhjemite); and undivided biotite and (or) hornblende syenite and trondhjemite.","Silurian",null,"Silurian age indicated by a minimum potassium-argon apparent age on Chichagof Island (Lanphere and others, 1965) and by uranium-lead (zircon) apparent ages of rocks from Annette, Gravina, and Prince of Wales Islands and mainland to southeast (Gehrels and","Sitka","Igneous",null]
[6740,null,4830,"Sv","PA006","Volcanic rocks","Mafic to intermediate volcanic breccia, agglomerate, and flows and greenschist and greenstone derived from these rocks.","Silurian",null,null,"Port Alexander","Igneous",null]
[6740,null,4830,"Sv","PE006","Volcanic rocks","Mafic to intermediate volcanic breccia, agglomerate, and flows and greenschist and greenstone derived from these rocks.","Silurian",null,null,"Petersburg","Igneous",null]
[6750,null,5370,"SOum","CR012","Ultramafic rocks","Pyroxenite, hornblendite, and related ultramafic rocks.","Silurian Ordovician",null,"The intrusive body on Dall Island yielded a Late Ordovician potassium-argon (hornblende) apparent age (M.A. Lanphere, written commun., 1984). An Early Silurian potassium-argon (biotite) apparent age has been determined on the body on east-central Prince","Craig","Igneous",null]
[6750,null,5370,"SOum","DE008","Ultramafic rocks","Pyroxenite, hornblendite, and related ultramafic rocks.","Silurian Ordovician",null,"The intrusive body on Dall Island yielded a Late Ordovician potassium-argon (hornblende) apparent age (M.A. Lanphere, written commun., 1984). An Early Silurian potassium-argon (biotite) apparent age has been determined on the body on east-central Prince","Dixon Entrance","Igneous",null]
[6800,null,4870,"SOsvc","DE008","Clastic sedimentary, volcanic, and carbonate rocks, undivided","Interbedded graywacke, mudstone, mafic to felsic volcanic rocks, and limestone that have been regionally metamorphosed as high as greenschist facies (Gehrels and Saleeby, 1987b; G.E. Gehrels, unpub. data, 1984).","Silurian and Ordovician",null,null,"Dixon Entrance","Metamorphic",null]
[6928,null,4770,"Dsv","CR012","Sedimentary and volcanic rocks, undivided","Siltstone, shale, volcanogenic graywacke, conglomerate, and minor limestone that are interbedded with basaltic pillow flows, breccia, and aquagene tuff. Unit consist of the Coronados Volcanics (Devonian), the Devonian (?) St. Joseph Island Volcanics, and","Devonian",null,null,"Craig","Sedimentary",null]
[6928,null,4770,"Dsv","MF011","Sedimentary and volcanic rocks, undivided","Siltstone, shale, volcanogenic graywacke, conglomerate, and minor limestone that are interbedded with basaltic pillow flows, breccia, and aquagene tuff. Unit consist of the Coronados Volcanics (Devonian), the Devonian (?) St. Joseph Island Volcanics, and","Devonian",null,null,"Mount Fairweather","Sedimentary",null]
[6928,null,4770,"Dsv","PA006","Sedimentary and volcanic rocks, undivided","Siltstone, shale, volcanogenic graywacke, conglomerate, and minor limestone that are interbedded with basaltic pillow flows, breccia, and aquagene tuff. Unit consist of the Coronados Volcanics (Devonian), the Devonian (?) St. Joseph Island Volcanics, and","Devonian",null,null,"Port Alexander","Sedimentary",null]
[6928,null,4770,"Dsv","PE006","Sedimentary and volcanic rocks, undivided","Siltstone, shale, volcanogenic graywacke, conglomerate, and minor limestone that are interbedded with basaltic pillow flows, breccia, and aquagene tuff. Unit consist of the Coronados Volcanics (Devonian), the Devonian (?) St. Joseph Island Volcanics, and","Devonian",null,null,"Petersburg","Sedimentary",null]
[6928,"Q",4771,"Dsv?","CR012","Sedimentary and volcanic rocks, undivided","Siltstone, shale, volcanogenic graywacke, conglomerate, and minor limestone that are interbedded with basaltic pillow flows, breccia, and aquagene tuff. Unit consist of the Coronados Volcanics (Devonian), the Devonian (?) St. Joseph Island Volcanics, and","Devonian",null,null,"Craig","Sedimentary",null]
[6932,null,5010,"DSc","JU012","Carbonate rocks","Thin, discontinuous, unfossiliferous limestone layers associated with Devonian and Silurian volcanic rocks (DSv) in the Chilkat Range (Lathram and others, 1959; Brew and Ford, 1985)","Devonian and Silurian",null,null,"Juneau","Sedimentary",null]
[6937,null,4790,"Dcg","CR012","Conglomeratic rocks","Conglomerate and sedimentary breccia interbedded with sandstone, siltstone, shale, and minor graywacke, limestone, and volcanic rocks. Sedimentary structures and presence of red beds and thick sections of coarse conglomerate suggest that strata in Prince","Devonian",null,null,"Craig","Sedimentary",null]
[6937,null,4790,"Dcg","DE008","Conglomeratic rocks","Conglomerate and sedimentary breccia interbedded with sandstone, siltstone, shale, and minor graywacke, limestone, and volcanic rocks. Sedimentary structures and presence of red beds and thick sections of coarse conglomerate suggest that strata in Prince","Devonian",null,null,"Dixon Entrance","Sedimentary",null]
[6937,null,4790,"Dcg","JU012","Conglomeratic rocks","Conglomerate and sedimentary breccia interbedded with sandstone, siltstone, shale, and minor graywacke, limestone, and volcanic rocks. Sedimentary structures and presence of red beds and thick sections of coarse conglomerate suggest that strata in Prince","Devonian",null,null,"Juneau","Sedimentary",null]
[6938,null,4780,"Dc","CR012","Carbonate rocks","Thin-bedded to massive, gray limestone and minor shale interbeds.","Devonian",null,null,"Craig","Sedimentary",null]
[6938,null,4780,"Dc","JU012","Carbonate rocks","Thin-bedded to massive, gray limestone and minor shale interbeds.","Devonian",null,null,"Juneau","Sedimentary",null]
[6938,null,4780,"Dc","MF011","Carbonate rocks","Thin-bedded to massive, gray limestone and minor shale interbeds.","Devonian",null,null,"Mount Fairweather","Sedimentary",null]
[6938,null,4780,"Dc","PE006","Carbonate rocks","Thin-bedded to massive, gray limestone and minor shale interbeds.","Devonian",null,null,"Petersburg","Sedimentary",null]
[6938,null,4780,"Dc","SD016","Carbonate rocks","Thin-bedded to massive, gray limestone and minor shale interbeds.","Devonian",null,null,"Sumdum","Sedimentary",null]
[6938,null,4780,"Dc","SK015","Carbonate rocks","Thin-bedded to massive, gray limestone and minor shale interbeds.","Devonian",null,null,"Skagway","Sedimentary",null]
[6939,null,4750,"Ds","CR012","Sedimentary rocks","Siltstone, shale, sandstone, graywacke, and subordinate limestone breccia, arkose, conglomerate, and volcanic rocks.","Devonian",null,null,"Craig","Sedimentary",null]
[6939,null,4750,"Ds","DE008","Sedimentary rocks","Siltstone, shale, sandstone, graywacke, and subordinate limestone breccia, arkose, conglomerate, and volcanic rocks.","Devonian",null,null,"Dixon Entrance","Sedimentary",null]
[6939,null,4750,"Ds","JU012","Sedimentary rocks","Siltstone, shale, sandstone, graywacke, and subordinate limestone breccia, arkose, conglomerate, and volcanic rocks.","Devonian",null,null,"Juneau","Sedimentary",null]
[6939,null,4750,"Ds","KC013","Sedimentary rocks","Siltstone, shale, sandstone, graywacke, and subordinate limestone breccia, arkose, conglomerate, and volcanic rocks.","Devonian",null,null,"Ketchikan","Sedimentary",null]
[6939,null,4750,"Ds","PA006","Sedimentary rocks","Siltstone, shale, sandstone, graywacke, and subordinate limestone breccia, arkose, conglomerate, and volcanic rocks.","Devonian",null,null,"Port Alexander","Sedimentary",null]
[6939,null,4750,"Ds","PE006","Sedimentary rocks","Siltstone, shale, sandstone, graywacke, and subordinate limestone breccia, arkose, conglomerate, and volcanic rocks.","Devonian",null,null,"Petersburg","Sedimentary",null]
[6939,null,4750,"Ds","PR003","Sedimentary rocks","Siltstone, shale, sandstone, graywacke, and subordinate limestone breccia, arkose, conglomerate, and volcanic rocks.","Devonian",null,null,"Prince Rupert","Sedimentary",null]
[6939,null,4750,"Ds","SI009","Sedimentary rocks","Siltstone, shale, sandstone, graywacke, and subordinate limestone breccia, arkose, conglomerate, and volcanic rocks.","Devonian",null,null,"Sitka","Sedimentary",null]
[6953,null,5020,"DSsc","CR012","Sedimentary rocks","Limestone, sandstone, calcareous mudstone, and polymictic conglomerate.","Devonian and Silurian",null,null,"Craig","Sedimentary",null]
[6953,null,5020,"DSsc","JU012","Sedimentary rocks","Limestone, sandstone, calcareous mudstone, and polymictic conglomerate.","Devonian and Silurian",null,null,"Juneau","Sedimentary",null]
[6953,null,5020,"DSsc","MF011","Sedimentary rocks","Limestone, sandstone, calcareous mudstone, and polymictic conglomerate.","Devonian and Silurian",null,null,"Mount Fairweather","Sedimentary",null]
[6953,null,5020,"DSsc","PE006","Sedimentary rocks","Limestone, sandstone, calcareous mudstone, and polymictic conglomerate.","Devonian and Silurian",null,null,"Petersburg","Sedimentary",null]
[6953,null,5020,"DSsc","SK015","Sedimentary rocks","Limestone, sandstone, calcareous mudstone, and polymictic conglomerate.","Devonian and Silurian",null,null,"Skagway","Sedimentary",null]
[6960,null,4800,"Sc","CR012","Carbonate rocks","Massive, thin- to thick-bedded, locally reefoidal, light-gray limestone and subordinate shale and polymictic conglomerate.","Silurian","Loney and others (1975) report that limestone in the Chilkat Range is lithically similar to the Kennel Creek Limestone and contains similar fossils.",null,"Craig","Sedimentary",null]
[6960,null,4800,"Sc","DE008","Carbonate rocks","Massive, thin- to thick-bedded, locally reefoidal, light-gray limestone and subordinate shale and polymictic conglomerate.","Silurian","Loney and others (1975) report that limestone in the Chilkat Range is lithically similar to the Kennel Creek Limestone and contains similar fossils.",null,"Dixon Entrance","Sedimentary",null]
[6960,null,4800,"Sc","JU012","Carbonate rocks","Massive, thin- to thick-bedded, locally reefoidal, light-gray limestone and subordinate shale and polymictic conglomerate.","Silurian","Loney and others (1975) report that limestone in the Chilkat Range is lithically similar to the Kennel Creek Limestone and contains similar fossils.",null,"Juneau","Sedimentary",null]
[6960,null,4800,"Sc","MF011","Carbonate rocks","Massive, thin- to thick-bedded, locally reefoidal, light-gray limestone and subordinate shale and polymictic conglomerate.","Silurian","Loney and others (1975) report that limestone in the Chilkat Range is lithically similar to the Kennel Creek Limestone and contains similar fossils.",null,"Mount Fairweather","Sedimentary",null]
[6960,null,4800,"Sc","PA006","Carbonate rocks","Massive, thin- to thick-bedded, locally reefoidal, light-gray limestone and subordinate shale and polymictic conglomerate.","Silurian","Loney and others (1975) report that limestone in the Chilkat Range is lithically similar to the Kennel Creek Limestone and contains similar fossils.",null,"Port Alexander","Sedimentary",null]
[6960,null,4800,"Sc","PE006","Carbonate rocks","Massive, thin- to thick-bedded, locally reefoidal, light-gray limestone and subordinate shale and polymictic conglomerate.","Silurian","Loney and others (1975) report that limestone in the Chilkat Range is lithically similar to the Kennel Creek Limestone and contains similar fossils.",null,"Petersburg","Sedimentary",null]
[6960,null,4800,"Sc","SI009","Carbonate rocks","Massive, thin- to thick-bedded, locally reefoidal, light-gray limestone and subordinate shale and polymictic conglomerate.","Silurian","Loney and others (1975) report that limestone in the Chilkat Range is lithically similar to the Kennel Creek Limestone and contains similar fossils.",null,"Sitka","Sedimentary",null]
[6960,null,4800,"Sc","SK015","Carbonate rocks","Massive, thin- to thick-bedded, locally reefoidal, light-gray limestone and subordinate shale and polymictic conglomerate.","Silurian","Loney and others (1975) report that limestone in the Chilkat Range is lithically similar to the Kennel Creek Limestone and contains similar fossils.",null,"Skagway","Sedimentary",null]
[7020,null,4980,"DSv","JU012","Volcanic rocks","Volcanic rocks found in a fault slice on northern Kuiu Island, basaltic and (or) andesitic rocks in Glacier Bay; and unnamed basalt and andesite in the Chilkat Range.","Devonian and Silurian",null,null,"Juneau","Igneous",null]
[7020,null,4980,"DSv","PE006","Volcanic rocks","Volcanic rocks found in a fault slice on northern Kuiu Island, basaltic and (or) andesitic rocks in Glacier Bay; and unnamed basalt and andesite in the Chilkat Range.","Devonian and Silurian",null,null,"Petersburg","Igneous",null]
[7020,null,4980,"DSv","SK015","Volcanic rocks","Volcanic rocks found in a fault slice on northern Kuiu Island, basaltic and (or) andesitic rocks in Glacier Bay; and unnamed basalt and andesite in the Chilkat Range.","Devonian and Silurian",null,null,"Skagway","Igneous",null]
[7020,"Q",4981,"DSv?","SK015","Volcanic rocks","Volcanic rocks found in a fault slice on northern Kuiu Island, basaltic and (or) andesitic rocks in Glacier Bay; and unnamed basalt and andesite in the Chilkat Range.","Devonian and Silurian",null,null,"Skagway","Igneous",null]
[7030,null,4760,"Dv","CR012","Volcanic rocks","Basaltic and subordinate andesitic pillow flows, breccia, aquagene tuff, and minor sedimentary interbeds.","Devonian",null,null,"Craig","Igneous",null]
[7030,null,4760,"Dv","JU012","Volcanic rocks","Basaltic and subordinate andesitic pillow flows, breccia, aquagene tuff, and minor sedimentary interbeds.","Devonian",null,null,"Juneau","Igneous",null]
[7030,null,4760,"Dv","MF011","Volcanic rocks","Basaltic and subordinate andesitic pillow flows, breccia, aquagene tuff, and minor sedimentary interbeds.","Devonian",null,null,"Mount Fairweather","Igneous",null]
[7030,null,4760,"Dv","PR003","Volcanic rocks","Basaltic and subordinate andesitic pillow flows, breccia, aquagene tuff, and minor sedimentary interbeds.","Devonian",null,null,"Prince Rupert","Igneous",null]
[7030,null,4760,"Dv","SI009","Volcanic rocks","Basaltic and subordinate andesitic pillow flows, breccia, aquagene tuff, and minor sedimentary interbeds.","Devonian",null,null,"Sitka","Igneous",null]
[7030,"Q",4761,"Dv?","MF011","Volcanic rocks","Basaltic and subordinate andesitic pillow flows, breccia, aquagene tuff, and minor sedimentary interbeds.","Devonian",null,null,"Mount Fairweather","Igneous",null]
[7200,null,4990,"DOsv","JU012","Sedimentary and volcanic rocks, undivided","Graywacke, mudstone, shale, limestone, and subordinate mafic to intermediate volcanic rocks that have been metamorphosed in most areas to hornfels, slate, phyllite, schist, amphibolite, marble, gneiss, and granofels.","Devonian to Ordovician",null,null,"Juneau","Sedimentary",null]
[7200,null,4990,"DOsv","MF011","Sedimentary and volcanic rocks, undivided","Graywacke, mudstone, shale, limestone, and subordinate mafic to intermediate volcanic rocks that have been metamorphosed in most areas to hornfels, slate, phyllite, schist, amphibolite, marble, gneiss, and granofels.  (Where shown having a stippled overp","Devonian to Ordovician",null,null,"Mount Fairweather","Sedimentary",null]
[7200,null,4990,"DOsv","SI009","Sedimentary and volcanic rocks, undivided","Graywacke, mudstone, shale, limestone, and subordinate mafic to intermediate volcanic rocks that have been metamorphosed in most areas to hornfels, slate, phyllite, schist, amphibolite, marble, gneiss, and granofels.  (Where shown having a stippled overp","Devonian to Ordovician",null,null,"Sitka","Sedimentary",null]
[7200,null,4990,"DOsv","SK015","Sedimentary and volcanic rocks, undivided","Graywacke, mudstone, shale, limestone, and subordinate mafic to intermediate volcanic rocks that have been metamorphosed in most areas to hornfels, slate, phyllite, schist, amphibolite, marble, gneiss, and granofels.","Devonian to Ordovician",null,null,"Skagway","Sedimentary",null]
[7200,"Q",4991,"DOsv?","JU012","Sedimentary and volcanic rocks, undivided","Graywacke, mudstone, shale, limestone, and subordinate mafic to intermediate volcanic rocks that have been metamorphosed in most areas to hornfels, slate, phyllite, schist, amphibolite, marble, gneiss, and granofels.","Devonian to Ordovician",null,null,"Juneau","Sedimentary",null]
[7200,"Q",4991,"DOsv?","SK015","Sedimentary and volcanic rocks, undivided","Graywacke, mudstone, shale, limestone, and subordinate mafic to intermediate volcanic rocks that have been metamorphosed in most areas to hornfels, slate, phyllite, schist, amphibolite, marble, gneiss, and granofels.","Devonian to Ordovician",null,null,"Skagway","Sedimentary",null]
[7650,null,5380,"SOq","CR012","Quartz diorite","Late and Middle Ordovician diorite and quartz diorite and Early Silurian to Late Ordovician biotite quartz monzonite; Early Silurian to Late Ordovician diorite, quartz diorite, and their metamorphosed and deformed equivalents; and layered and foliated qu","Silurian and Ordovician",null,null,"Craig","Igneous",null]
[7650,null,5380,"SOq","DE008","Quartz diorite","Late and Middle Ordovician diorite and quartz diorite and Early Silurian to Late Ordovician biotite quartz monzonite; Early Silurian to Late Ordovician diorite, quartz diorite, and their metamorphosed and deformed equivalents; and layered and foliated qu","Silurian and Ordovician",null,null,"Dixon Entrance","Igneous",null]
[7650,null,5380,"SOq","KC013","Quartz diorite","Late and Middle Ordovician diorite and quartz diorite and Early Silurian to Late Ordovician biotite quartz monzonite; Early Silurian to Late Ordovician diorite, quartz diorite, and their metamorphosed and deformed equivalents; and layered and foliated qu","Silurian and Ordovician",null,null,"Ketchikan","Igneous",null]
[7650,null,5380,"SOq","PR003","Quartz diorite","Late and Middle Ordovician diorite and quartz diorite and Early Silurian to Late Ordovician biotite quartz monzonite; Early Silurian to Late Ordovician diorite, quartz diorite, and their metamorphosed and deformed equivalents; and layered and foliated qu","Silurian and Ordovician",null,null,"Prince Rupert","Igneous",null]
[7650,"Q",5381,"SOq?","KC013","Quartz diorite","Late and Middle Ordovician diorite and quartz diorite and Early Silurian to Late Ordovician biotite quartz monzonite; Early Silurian to Late Ordovician diorite, quartz diorite, and their metamorphosed and deformed equivalents; and layered and foliated qu","Silurian and Ordovician",null,null,"Ketchikan","Igneous",null]
[7670,null,5390,"Ogb","CR012","Gabbro","Hornblende gabbro, and subordinate hornblende pyroxenite and hornblendite on Sukkwan Island, and metagabbro on southern Dall Island.","Ordovician",null,"Hornblende gabbro and subordinate hornblende pyroxenite and hornblendite on Sukkwan Island that yielded a Middle Ordovician potassium-argon apparent age (Eberlein and others, 1983).","Craig","Igneous",null]
[7670,null,5390,"Ogb","DE008","Gabbro","Hornblende gabbro, and subordinate hornblende pyroxenite and hornblendite on Sukkwan Island, and metagabbro on southern Dall Island.","Ordovician",null,"Hornblende gabbro and subordinate hornblende pyroxenite and hornblendite on Sukkwan Island that yielded a Middle Ordovician potassium-argon apparent age (Eberlein and others, 1983).","Dixon Entrance","Igneous",null]
[7670,null,5390,"Ogb","KC013","Gabbro","Hornblende gabbro, and subordinate hornblende pyroxenite and hornblendite on Sukkwan Island, and metagabbro on southern Dall Island.","Ordovician",null,"Hornblende gabbro and subordinate hornblende pyroxenite and hornblendite on Sukkwan Island that yielded a Middle Ordovician potassium-argon apparent age (Eberlein and others, 1983).","Ketchikan","Igneous",null]
[7670,null,5390,"Ogb","PR003","Gabbro","Hornblende gabbro, and subordinate hornblende pyroxenite and hornblendite on Sukkwan Island, and metagabbro on southern Dall Island.","Ordovician",null,"Hornblende gabbro and subordinate hornblende pyroxenite and hornblendite on Sukkwan Island that yielded a Middle Ordovician potassium-argon apparent age (Eberlein and others, 1983).","Prince Rupert","Igneous",null]
[7670,"Q",5391,"Ogb?","PR003","Gabbro","Hornblende gabbro, and subordinate hornblende pyroxenite and hornblendite on Sukkwan Island, and metagabbro on southern Dall Island.","Ordovician",null,"Hornblende gabbro and subordinate hornblende pyroxenite and hornblendite on Sukkwan Island that yielded a Middle Ordovician potassium-argon apparent age (Eberlein and others, 1983).","Prince Rupert","Igneous",null]
[8500,null,5400,"Cdg","CR012","Diorite and granodiorite","Foliated and metamorphosed hornblende diorite and biotite +/- hornblende granodiorite.","Cambrian",null,"Foliated and metamorphosed hornblende diorite and biotite +/- hornblende granodiorite on east-central Prince of Wales Island and on southern Gravina Island that yielded Late and Middle Cambrian preliminary uranium-lead (zircon) apparent ages (Gehrels and","Craig","Igneous",null]
[8500,null,5400,"Cdg","DE008","Diorite and granodiorite","Foliated and metamorphosed hornblende diorite and biotite +/- hornblende granodiorite.","Cambrian",null,"Foliated and metamorphosed hornblende diorite and biotite +/- hornblende granodiorite on east-central Prince of Wales Island and on southern Gravina Island that yielded Late and Middle Cambrian preliminary uranium-lead (zircon) apparent ages (Gehrels and","Dixon Entrance","Igneous",null]
[8500,null,5400,"Cdg","KC013","Diorite and granodiorite","Foliated and metamorphosed hornblende diorite and biotite +/- hornblende granodiorite.","Cambrian",null,"Foliated and metamorphosed hornblende diorite and biotite +/- hornblende granodiorite on east-central Prince of Wales Island and on southern Gravina Island that yielded Late and Middle Cambrian preliminary uranium-lead (zircon) apparent ages (Gehrels and","Ketchikan","Igneous",null]
[8751,null,5130,"pOmsv","CR012","Metasedimentary and metavolcanic rocks","Metasedimentary and metavolcanic rocks derived from pre-Ordovician basaltic to andesitic pillow flows, pillow breccia, and tuff breccia, volcanoclastic graywacke and mudstone, and minor limestone and felsic volcanic breccia and tuff during regional green","pre-Ordovician",null,"Radiometric age constraints suggest that metamorphism occured during Early Ordovician to Middle Cambrian time (Turner and others, 1977; Gehrels and Saleeby, 1987a, b; M.A. Lanphere, oral commun., 1984).","Craig","Metamorphic",null]
[8751,null,5130,"pOmsv","DE008","Metasedimentary and metavolcanic rocks","Metasedimentary and metavolcanic rocks derived from pre-Ordovician basaltic to andesitic pillow flows, pillow breccia, and tuff breccia, volcanoclastic graywacke and mudstone, and minor limestone and felsic volcanic breccia and tuff during regional green","pre-Ordovician",null,"Radiometric age constraints suggest that metamorphism occured during Early Ordovician to Middle Cambrian time (Turner and others, 1977; Gehrels and Saleeby, 1987a, b; M.A. Lanphere, oral commun., 1984).","Dixon Entrance","Metamorphic",null]
[8751,null,5130,"pOmsv","KC013","Metasedimentary and metavolcanic rocks","Metasedimentary and metavolcanic rocks derived from pre-Ordovician basaltic to andesitic pillow flows, pillow breccia, and tuff breccia, volcanoclastic graywacke and mudstone, and minor limestone and felsic volcanic breccia and tuff during regional green","pre-Ordovician",null,"Radiometric age constraints suggest that metamorphism occured during Early Ordovician to Middle Cambrian time (Turner and others, 1977; Gehrels and Saleeby, 1987a, b; M.A. Lanphere, oral commun., 1984).","Ketchikan","Metamorphic",null]
[8752,null,5140,"pOmc","CR012","Metacarbonate rocks","Metacarbonate rocks derived from pre-Ordovician carbonate rocks during regional greenschist- and local amphibolite-facies metamorphism. Found as thin to thick marble layers and lenses intercalated with pre-Ordovician metasedimentary and metavolcanic rock","pre-Ordovician",null,null,"Craig","Metamorphic",null]
[8752,null,5140,"pOmc","KC013","Metacarbonate rocks","Metacarbonate rocks derived from pre-Ordovician carbonate rocks during regional greenschist- and local amphibolite-facies metamorphism. Found as thin to thick marble layers and lenses intercalated with pre-Ordovician metasedimentary and metavolcanic rock","pre-Ordovician",null,null,"Ketchikan","Metamorphic",null]
[12500,null,5110,"pTmsv","BC006","Metasedimentary and metavolcanic rocks","Metasedimentary and metavolcanic rocks derived from pre-Tertiary sedimentary and volcanic rocks during regional amphibolite- and local granulite-facies metamorphism. Common rock types include pelitic, semipelitic, and quartzofeldspathic schist and gneiss","pre-Tertiary",null,null,"Bradfield Canal","Metamorphic",null]
[12500,null,5110,"pTmsv","JU012","Metasedimentary and metavolcanic rocks","Metasedimentary and metavolcanic rocks derived from pre-Tertiary sedimentary and volcanic rocks during regional amphibolite- and local granulite-facies metamorphism. Common rock types include pelitic, semipelitic, and quartzofeldspathic schist and gneiss","pre-Tertiary",null,null,"Juneau","Metamorphic",null]
[12500,null,5110,"pTmsv","KC013","Metasedimentary and metavolcanic rocks","Metasedimentary and metavolcanic rocks derived from pre-Tertiary sedimentary and volcanic rocks during regional amphibolite- and local granulite-facies metamorphism. Common rock types include pelitic, semipelitic, and quartzofeldspathic schist and gneiss","pre-Tertiary",null,null,"Ketchikan","Metamorphic",null]
[12500,null,5110,"pTmsv","PE006","Metasedimentary and metavolcanic rocks","Metasedimentary and metavolcanic rocks derived from pre-Tertiary sedimentary and volcanic rocks during regional amphibolite- and local granulite-facies metamorphism. Common rock types include pelitic, semipelitic, and quartzofeldspathic schist and gneiss","pre-Tertiary",null,null,"Petersburg","Metamorphic",null]
[12500,null,5110,"pTmsv","PR003","Metasedimentary and metavolcanic rocks","Metasedimentary and metavolcanic rocks derived from pre-Tertiary sedimentary and volcanic rocks during regional amphibolite- and local granulite-facies metamorphism. Common rock types include pelitic, semipelitic, and quartzofeldspathic schist and gneiss","pre-Tertiary",null,null,"Prince Rupert","Metamorphic",null]
[12500,null,5110,"pTmsv","SD016","Metasedimentary and metavolcanic rocks","Metasedimentary and metavolcanic rocks derived from pre-Tertiary sedimentary and volcanic rocks during regional amphibolite- and local granulite-facies metamorphism. Common rock types include pelitic, semipelitic, and quartzofeldspathic schist and gneiss","pre-Tertiary",null,null,"Sumdum","Metamorphic",null]
[12500,null,5110,"pTmsv","SK015","Metasedimentary and metavolcanic rocks","Metasedimentary and metavolcanic rocks derived from pre-Tertiary sedimentary and volcanic rocks during regional amphibolite- and local granulite-facies metamorphism. Common rock types include pelitic, semipelitic, and quartzofeldspathic schist and gneiss","pre-Tertiary",null,null,"Skagway","Metamorphic",null]
[12500,null,5110,"pTmsv","TR008","Metasedimentary and metavolcanic rocks","Metasedimentary and metavolcanic rocks derived from pre-Tertiary sedimentary and volcanic rocks during regional amphibolite- and local granulite-facies metamorphism. Common rock types include pelitic, semipelitic, and quartzofeldspathic schist and gneiss","pre-Tertiary",null,null,"Taku River","Metamorphic",null]
[12500,"Q",5111,"pTmsv?","TR008","Metasedimentary and metavolcanic rocks","Metasedimentary and metavolcanic rocks derived from pre-Tertiary sedimentary and volcanic rocks during regional amphibolite- and local granulite-facies metamorphism. Common rock types include pelitic, semipelitic, and quartzofeldspathic schist and gneiss","pre-Tertiary",null,null,"Taku River","Metamorphic",null]
[12600,null,5120,"pTmc","PE006","Metacarbonate rocks","Metacarbonate rocks derived from pre-Tertiary carbonate rocks and carbonate-rich clastic strata during regional amphibolite- and local granulite-facies metamorphism. Found as discontinuous marble lenses, as thick continuous marble layers, and as calc-sil","pre-Tertiary",null,null,"Petersburg","Metamorphic",null]
[12600,null,5120,"pTmc","SD016","Metacarbonate rocks","Metacarbonate rocks derived from pre-Tertiary carbonate rocks and carbonate-rich clastic strata during regional amphibolite- and local granulite-facies metamorphism. Found as discontinuous marble lenses, as thick continuous marble layers, and as calc-sil","pre-Tertiary",null,null,"Sumdum","Metamorphic",null]
[12600,null,5120,"pTmc","TR008","Metacarbonate rocks","Metacarbonate rocks derived from pre-Tertiary carbonate rocks and carbonate-rich clastic strata during regional amphibolite- and local granulite-facies metamorphism. Found as discontinuous marble lenses, as thick continuous marble layers, and as calc-sil","pre-Tertiary",null,null,"Taku River","Metamorphic",null]