alaska peninsula department of natural resources...
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Gulf of Alaska
Bristol Bay
Bering Sea
Shelikof Strait
Becharof Lake
Proposed Alaska Peninsula Areawide Oil and Gas Lease Sale Area
Sanak Basin
Albatross Basin
Bristol Bay Basin
Shelikof Basin
USGS
OF9
9-317
Geo
logy
Surro
undin
g Loc
al Ge
ology
(Beik
man,
1980
)
USGS
OF9
9-317
Geo
logy
Surro
undin
g Loc
al Ge
ology
(Beik
man,
1980
)
Rex
Mike
PyramidCu, Au
Halibut BayCr
ShumaginAu, Ag
Bee CreekCu, Au
CentennialAu, Cu
Apollo-SitkaAu, Ag, Pb, Zn, Cu
LEE 1ALASKA 1
UGASHIK 1
MCNALLY 1
LATHROP 1
GRAMMER 1
BECHAROF 1
FINNEGAN 1
COSTELLO 2COSTELLO 1
PAINTER CK 1
GREAT BASINS 2
GREAT BASINS 1
BIG RIVER A-01
BEAR CK UNIT 1
WIDE BAY UNIT 1
SANDY RIV FED 1
CANOE BAY UNIT 1
OCS 0168(COHO) 2OCS 0168(COHO) 1
DAVID RIVER USA 1
PORT HEIDEN UNIT 1
DAVID RIVER USA 1-A
OCS 0248(CARDINAL) 1
OCS 76-35(KSST-KOD) 1
KONIAG CHEVRON USA 1
HOODOO LK UNIT USA 2
HOODOO LK UNIT USA 1
PACIFIC OIL AND COM 2
PACIFIC OIL AND COM 1
OCS8218 COST N ALTN 1
OCS 0248(CARDINAL) 1A
CATHEDRAL RIVER UNIT 1
OIL SEEP R
OIL SEEP R
OIL SEEP R
OIL SEEP
OIL SEEP
OIL SEEP
GAS SEEP
GAS SEEP
OIL SEEP D
OIL SEEP A, D
OIL SEEP A, R
OIL SEEP A, R
OIL-BEARING OUTCROP
OIL-BEARING OUTCROP
Uyak
Ekuk
Sanak
Egegik
Akhiok
Kodiak
Naknek
Uganik
KarlukUgashik
Chignik
Afognak
Kaguyak
Chiniak
Cold Bay
Ayakulik
Ouzinkie
BelkofskiKing Cove
Sand Point
Larsen Bay
Old Harbor
Port Lions
Womens Bay
PerryvilleIvanof Bay
False Pass
Pilot Point
King Salmon
Port Heiden
Port Moller
Squaw Harbor
South Naknek
Chignik Lake
Nelson Lagoon
Portage Creek
Pauloff Harbor
Chignik Lagoon
165°0'0"W
164°0'0"W
164°0'0"W
163°0'0"W
163°0'0"W
162°0'0"W
162°0'0"W
161°0'0"W
161°0'0"W
160°0'0"W
160°0'0"W
159°0'0"W
159°0'0"W
158°0'0"W
158°0'0"W
157°0'0"W
157°0'0"W
156°0'0"W
156°0'0"W
155°0'0"W
155°0'0"W
154°0'0"W
154°0'0"W 153°0'0"W
153°0'0"W
152°0'0"W
55°0'0"N
55°0'0"N
56°0'0"N
56°0'0"N
57°0'0"N
57°0'0"N
58°0'0"N
58°0'0"N
State of AlaskaDepartment of Natural ResourcesDivision of Oil and Gas
Alaska PeninsulaOil and Gas Field Map Series
Plate 1 of 3Regional Geology for the Bristol Bay Region and Alaska Peninsula
Nome
SitkaKodiak
Bethel
Barrow
ValdezJuneau
Cold BayUnalaska
Fairbanks
Ketchikan
Anchorage
Dillingham
Prudhoe Bay
Canada
Russia
Gulfof
AlaskaBering
Sea
Chukchi Sea
Plugged & Abandoned - Gas Show
Scale 1:500,000
filename: AKPen_Regional_Geology_42x67_v10.mxd
Central Meridian: -154.000000Standard Parallel 1: 55.000000Standard Parallel 2: 65.000000 Latitude of Origin: 50.000000
Alaska Albers Equal Area Conic False Easting: 0.000000 False Northing: 0.000000GCS North American 1983
This map was created, edited, and published by the State of Alaska, Department of Natural Resources, Division of Oil and Gas, and is for informational purposes only. The State of Alaska makes no expressed or implied warranties (including warranties of merchantability and fitness) with respect to the character, function, or capabilities of this product or its appropriateness for any user's purposes. In no event will the State of Alaska be liable for any incidental, indirect, special, consequential or other damages suffered by the user or any other person or entity whether from use of the product, any failure thereof or otherwise, and in no event will the State of Alaska's liability to you or anyone else exceed the fee paid for the product. Discrepancies in boundary alignments are the result of merging multiple data sets from a number of different sources. Uncertainty exists in the exact location of the Proposed Alaska Peninsula Areawide Oil and Gas Lease Sale Area boundary with regard to the State of Alaska 3 mile limit of off-shore ownership in this area.
Data Sources: Basemap data including hydrologic data, village and town locations, glaciers and icefields, land status, coal, load and placer deposits, volcanoes, roads and boundaries, etc. from State of Alaska Statewide Core GIS database. Shaded relief based on dem300m published by USGS 05/12/1997. Surrounding local geology from Beikman, USGS 1980. Sedimentary basins, faults and folds from Kirschner, USGS 1988. Oil and gas wells from Alaska Division of Oil and Gas database as adapted from Alaska Oil and Gas Conservation Commission dataset. Indications of petroleum from Miller, et al., USGS GSB 1094, 1957. Alaska Peninsula geology from Wilson, et al., USGS OFR99-314, 1999.
10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 1405
Kilometers
10 0 10 20 30 40 50 605Nautical Miles
10 0 10 20 30 40 50 605
Miles
Alaska Peninsula Geologic Structure
Syncline - Concealed.
Dikes and Sills.
Syncline - Inferred.Anticline - Certain.
Anticline - Concealed.
Syncline - Certain.
Anticline - Inferred.
Thrust Fault
Normal Fault
Thrust Falut - Inferred
Normal Fault - Inferred
Fault
Fold
Fault - Inferred
Indicators of Petroleum (GSB 1094)
Qualifiers
Approximate location of reported indication.
Inflammable gas associated with nonmarine coal-bearing rocks.
Reported indication regarded as doubtful or disproved on basis of field examination by the US Geological Survey.Inflammable gas associated with unconsolidated surficial deposits, probably marsh gas.
Reported indication not examined by the US Geological Survey.
Reported indication regarded as doubful because location is in unfavorable geologic setting.
by TypeGas Seep
Oil Seep
Oil-bearing Outcrop
General BoundariesSedimentary Basins (Kirschner 2002)
Proposed Lease Sale Boundary
AK State Ownership 3 Mile Limit
Towns & Villages
Population < 1000
Population > 1000
Oil and Gas WellsDrill Hole
Plugged & Abandoned
Plugged & Abandoned - Oil Show
Plugged & Abandoned - Oil and Gas Show
Minerals & Geohazards
Sedimentary BasinsSimplified from Kirschner (2002)
1 - 3 km
3 - 5 km
5 - 7 km
7 - 9 km
Volcanoes
Placer Deposits
Coalfields
Metalliferous Load Deposits
Amak Basin
Tugidak Basin
Shumagin Basin
Surrounding Local Geology (Beikman 1980)Unconsolidated Deposits
uTc - Continental sandstone, siltstone, claystone, minor conglomerate and coal beds (Upper Tertiary)mTc - Continental sandstone, siltstone, claystone and coal beds (Middle Tertiary)ITc - Continental claystone, siltstone, sandstone, conglomerate, and coal beds (Lower Tertiary)
SedimentaryQ - Alluvial, glacial, lake, eolian, beach, and volcanic deposits (Quaternary)Qh - Alluvial, glacial, lake, estuarine, swamp, landslide, flood plain, and beach deposits (Holocene)Qp - Alluvial, glacial, dune sand, loess (Pleistocene)T - Volcanogenic sedimentary rocks and flows, dikes and sills (Tertiary)Tp - Tachilni Formation (Pliocene)Tm - Bear Lake Formation (Miocene)IT - Interbedded sedimentary, volcanogenic, and volcanic rocks (Lower Tertiary)To - Meshik and Stepovak Formation (Oligocene)MzPz - Quartzite, schist and phyllite (Mesozoic and Paleozoic)K - Kaguyak Formation (Cretaceous)uK - Chignik and Hoodoo Formations (Upper Cretaceous)KJ2 - Staniukovich Formation and Herendeen Formation (Lower Cretaceous)KJ3 - Melange of flysch, greenstone, limestone (Lower Cretaceous and upper Jurassic (?))KJ1 - Graywacke, slate, argillite, and minor conglomerate (Cretaceous and upper Jurassic)KJ - Argillite, shale, graywacke, quartzite, conglomerate, lava, tuff, and agglomerate (Cretaceous and Jurassic)IK - Unnamed graywacke, argillite, conglomerate, and minor limestone (Lower Cretaceous)uJ - Sandstone, siltstone, shale, and conglomerate (Upper Jurassic)uTr - Limestone, tuff, tuffaceous conglomerate and breccias (Upper Triassic)mJ - Argillite, graywacke, and conglomerate (Middle Jurassic)IJ - Talkeetna Formation (Lower Jurassic)D - Limestone (Devonian)Z - Schist, gneiss, and small amounts of amphibolite and marble (Precambrian)
Igneous - Plutonic
Tif - Felsic Intrusive rocks (Tertiary)Tim - Mafic Intrusive rocks (Tertiary)mTii - Intermediate Intursive rocks (Middle Tertiary)Txif - Felsic Intrusive rocks (Paleocene)TKi - Undifferentiated Intusive rocks (Tertiary and/or Cretaceous)TKif - Felsic Intrusive rocks (Tertiary and/or Cretaceous)Jii - Intermediate Intrusive rocks (Jurassic)Jim - Mafic Intrusive rocks (Jurassic)
Igneous - VolcanicQhvm - Mafic Volcanic rocks (Holocene)Qvm - Mafic Volcanic rocks (Quaternary)Qv - Undifferentiated volcanic rocks (Quaternary)QTv - Undifferentiated Volcanic rocks (Quaternary or Tertiary)Qvi -Intermediate Volcanic rocks ( Quaternary)Tpv - Undifferentiated Volcanic rocks (Pliocene )Tvm - Mafic Volcanic rocks (Tertiary)Tv - Undifferentiated Volcanic rocks (Tertiary)TKvm - Mafic Volcanic rocks (Tertiary and/or Cretaceous)Jvi - Intermediate Volcanic rocks (Jurassic)
MetamorphicIJm - Metamorphic Intercalated Schist (Lower Jurassic)
Alaska Peninsula Geology (OF99-317)Unconsolidated Deposits
Qa - Alluvial deposits (Holocene and Pleistocene)Qb - Marine beach and estuarine depositsQmt - Marine terrace deposits (Holocene and Pleistocene)Qm - Moraines and other glacial deposits (Holocene and Pleistocene)Qaf - Alluvial fan and landslide deposits (Holocene and Pleistocene)
SedimentaryTmr - Milky River Formation (Pliocene)Tta - Tachilni Formation (late Miocene)Th - Hemlock Conglomerate (late Oligocene)Tbl - Bear Lake Formation (late and middle Miocene)Tu - Unga Formation (middle Miocene to late Oligocene)Tbe - Belkofski Formation (middle Miocene? to late Oligocene?)Ts - Stepovak Formation (early Oligocene and late Eocene)Tt - Tolstoi Formation (middle Eocene to late Paleocene)Tc - Copper Lake Formation (early Eocene and Paleocene?)Ks - Shumagin Formation (Late Cretaceous; Maestrichtian)Ksm - MudstoneKk - Kaguyak Formation (Late Cretaceous; Maestrichtian and Campanian)Kh - Hoodoo Formation (Late Cretaceous; Maestrichtian and Campanian)Kc - Chignik Formation (Late Cretaceous; Maestrichtian and Campanian)Kp - Pedmar Formation (Early Cretaceous; Albian)Khe - Herendeen Formation (Early Cretaceous; Barremian and Hauterivian)Kst - Staniukovich Formation (Early Cretaceous; Valanginian and Berriasian)KJcv - Chert and volcanic sequence (Early Cretaceous or Jurassic)Jk - Kialagvik Formation (Middle and Early Jurassic; Callovian to late Toarcian)Jnk - Katolinat Conglomerate Member (Tithonian)Jni - Indecision Creek Sandstone Member (Tithonian and Kimmeridgian)Jn - Naknek Formation (Late Jurassic; Tithonian to Oxfordian)Jns - Snug Harbor Siltstone Member (Kimmeridgian and Oxfordian)Jnc - Chisik Conglomerate Member (Oxfordian)Jnn - Northeast Creek Sandstone Member (Oxfordian)Js - Shelikof Formation (Middle Jurassic; Callovian)Jt - Talkeetna Formation (Early Jurassic)Trk - Kamishak Formation (Late Triassic; Norian)Trls
Igneous-PlutonicQi - Intrusive rocks (Holocene and Pleistocene)Ti - Intrusive rocks (Pliocene and late Miocene)Tqd - Quartz diorite (Oligocene)Tgd - Granodiorite (Oligocene)Tg - Granodiorite (Paleocene)Tiu - Intrusive rocks, undivided (Tertiary)Jgb - Diorite and gabbro (Late? and Middle Jurassic)Jgd - Granodiorite (Late? and Middle Jurassic)Jgr - Granite (Late? and Middle Jurassic)Jqd - Tonalite and quartz diorite (Late? and Middle Jurassic)
Igneous-VolcanicQv - Volcanic rocks (Holocene and Pleistocene)Qpd - Pyroclastic and debris-flow deposits (Holocene and late Pleistocene?)QTv - Volcanic rocks (Quaternary and Pliocene?)QTp - Pyroclastic deposits (Pleistocene? and Pliocene)QTmvQTdvTvu - Volcanic rocks, undivided (Tertiary)Tv - Volcanic rocks (late Miocene)TopTm - Meshik Volcanics (early Oligocene and late Eocene)Trv - Volcanic rocks (Late Triassic)
MetamorphicQTc - Contact-metamorphosed rocks (early Quaternary or late Tertiary)JPK - Kakhonak(?) Complex (Late Jurassic? to Permian?)Trc - Cottonwood Bay Greenstone (Late Triassic; Norian?)
Other Surface Symbolsg - Glaciers
u - Ultramaphic rocks (age unknown)