Identification_Information: Citation: Citation_Information: Originator: Wilson, Frederic H. Originator: Mohadjer, Solmaz Originator: Labay, Keith A. Originator: Shew, Nora Publication_Date: 2006 Title: Preliminary integrated geologic map databases for the United States: Digital data for the reconnaissance geologic map for the Northern Alaska Peninsula, southwest Alaska Edition: ver. 1.0 Geospatial_Data_Presentation_Form: vector digital data Series_Information: Series_Name: U.S. Geological Survey Open-File Report Issue_Identification: OFR 2006-1303 Online_Linkage: http://pubs.usgs.gov/of/2006/1303/ Larger_Work_Citation: Citation_Information: Originator: Wilson, F.H. Originator: Blodgett, R.B. Originator: Blome, C.D. Originator: Mohadjer, Solmaz Originator: Preller, C.C. Originator: Klimasauskas, E.P. Originator: Gamble, B.M. Originator: Coonrad, W.L. Publication_Date: Unknown Title: Reconnaissance bedrock geologic map for the northern Alaska Peninsula area, southwest Alaska, including the Dillingham, Iliamna, Lake Clark, Taylor Mountains and the western part of the Kenai and Seldovia 1:250,000-scale quadrangles Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Scientific Investigations Map Issue_Identification: SIM-??? Description: Abstract: The northern Alaska Peninsula map area lies on the west side of Cook Inlet in southcentral Alaska and consists of parts of the Kenai and Seldovia 1:250,000 scale quadrangles that lie on the west side of Cook Inlet and also the Lake Clark, Iliamna, Taylor Mountains, and Dillingham 1:250,000 scale quadrangles to the west. The map area is a region of transition from the classic magmatic arc geology of the Alaska Peninsula to the accretionary geology of southcentral and southwest Alaska, and to the poorly understood, tectonically complex sedimentary basins of southwest Alaska. This data set is a portion of a statewide geology database, which is being compiled by the U.S. Geological Survey's National Surveys and Analysis (NSA) project, whose goal is to compile geologic, geochemical, geophysical, and other data. Purpose: This data set represents part of a systematic effort to release geologic map data for the United States in a uniform manner. Geologic data in this series has been compiled from a wide variety of sources, published and unpublished, ranging from state and regional geologic maps to large- scale field mapping. Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2006 Currentness_Reference: publication date Status: Progress: Complete Maintenance_and_Update_Frequency: As needed Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -159.0 East_Bounding_Coordinate: -151.333 North_Bounding_Coordinate: 61.0 South_Bounding_Coordinate: 59.0 Keywords: Theme: Theme_Keyword_Thesaurus: None Theme_Keyword: geology Theme_Keyword: bedrock Place: Place_Keyword_Thesaurus: Geographic names information system (GNIS) Place_Keyword: Alaska Place_Keyword: Alaska Peninsula Place_Keyword: Taylor Mountains Place_Keyword: Dillingham Place_Keyword: Lake Clark Place_Keyword: Iliamna Place_Keyword: Kenai Place_Keyword: Seldovia Access_Constraints: None Use_Constraints: None. Acknowledgment of the U.S. Geological Survey would be appreciated in products derived from these data. Point_of_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Frederic H. Wilson Contact_Position: Geologist Contact_Address: Address_Type: mailing and physical address Address: 4200 University Drive City: Anchorage State_or_Province: Alaska Postal_Code: 99508-4667 Country: U.S.A. Contact_Voice_Telephone: 907-786-7448 Contact_Electronic_Mail_Address: fwilson@usgs.gov Browse_Graphic: Browse_Graphic_File_Name: Browse_Graphic_File_Description: Browse_Graphic_File_Type: Data_Set_Credit: This data set was prepared by Frederic H. Wilson (USGS), Solmaz Mohadjer (contractor), Keith A. Labay (contractor), and Nora Shew (USGS) Native_Data_Set_Environment: Data set was created using ESRI ARC/Info version 7.2.1 on a Unix platform Data_Quality_Information: Attribute_Accuracy: Attribute_Accuracy_Report: There were many types of source materials, of varying scale, used to compile this data set. Sources include previously published maps, unpublished mapping, air photo interpretation, and limited new field mapping. The dates of the mapping range from the present to the 1930's. Vector features were mostly digitized on a large digitizing tablet. Vector and polygon attributes were assigned based on the original source. The digital data has been checked, and the geologic map has been technically reviewed and edited. Logical_Consistency_Report: Each geology coverage is a network coverage containing attributed arcs and polygons. Each polygon has a coded attribute designating the mapped geologic unit. Faults, stratigraphic contacts, and other linear features are represented as arcs. When a fault is also a stratigraphic contact, only a single arc is present. Dangling arcs may be present (faults, dike, etc.) Completeness_Report: The complete data set consists of 11 different GIS coverages, six geology coverages and 5 lineation coverages. There is also an associated relational database of geologic units. Each coverage has the extent of a 1:250,000 scale quadrangle. A graphic representation of the database and a report with complete geologic unit descriptions is provided in .pdf format. Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: This data is presented for use at a nominal scale of 1:350,000, although some sources were from 1:250,000- and 1:63,360 scale mapping. Lineage: Process_Step: Process_Description: Linework for the geology compilation was hand digitized from material of various media and scale. The arcs and polygons were attributed. The spatial databases are provided in UTM projection and geographic coordinates. The native ARC/Info coverages have been exported to an interchange file format, .e00, and also converted to ArcView shape files. Process_Date: 2006 Process_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Frederic H. Wilson Contact_Position: Geologist Contact_Address: Address_Type: mailing and physical Address: 4200 University Drive City: Anchorage State_or_Province: Alaska Postal_Code: 99508-4667 Country: U.S.A. Contact_Voice_Telephone: 907-786-7448 Contact_Electronic_Mail_Address: fwilson@usgs.gov Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Vector Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Planar: Grid_Coordinate_System: Grid_Coordinate_System_Name: Universal Transverse Mercator Universal_Transverse_Mercator: UTM_Zone_Number: 4 Transverse_Mercator: Scale_Factor_at_Central_Meridian: 0.9996 Longitude_of_Central_Meridian: -159.0 Latitude_of_Projection_Origin: 0.0 False_Easting: 500000 False_Northing: 0 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 0.000256 Ordinate_Resolution: 0.000256 Planar_Distance_Units: meters Planar: Grid_Coordinate_System: Grid_Coordinate_System_Name: Universal Transverse Mercator Universal_Transverse_Mercator: UTM_Zone_Number: 5 Transverse_Mercator: Scale_Factor_at_Central_Meridian: 0.9996 Longitude_of_Central_Meridian: -153.0 Latitude_of_Projection_Origin: 0.0 False_Easting: 500000 False_Northing: 0 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 0.000256 Ordinate_Resolution: 0.000256 Planar_Distance_Units: meters Geodetic_Model: Horizontal_Datum_Name: North American Datum of 1927 Ellipsoid_Name: Clarke 1866 Semi-major_Axis: 6378206.4 Denominator_of_Flattening_Ratio: 294.9787 Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: polygons Entity_Type_Definition: Characteristics of the polygon features in the geology coverages are coded in the polygon attribute table. The table .pat includes the following items CLASS, NSACLASS, NSAMOD, QCLASS (not used), SOURCE, LABEL, MIN_AGE, and MAX_AGE. Entity_Type_Definition_Source: This data set Attribute: Attribute_Label: NSACLASS Attribute_Definition: NSACLASS is a positive integer value (4 5 B) item in the polygon attribute table. Values range discontinuously from 98 to 9120. NSACLASS is a numeric code for the geologic unit. This data set represents a generalized map, thus it is possible that a geologic unit is made of multiple NSACLASS values. Each NSACLASS matches with geologic unit labels in LABEL and has a minimum (MIN_AGE) and maximaum (MAX_AGE) range, given in million of years (my). Supplemental attribute tables included with this data set, contain additional descriptive information of each geologic unit. A user may use items SOURCE and CLASS to retrieve information about the original units from which these generalized units were formed. NOTE: Because of the limitations of common GIS fonts, the letters "C", "Mz", "Pz", "Tr", and "Z" are substituted for the standard symbols for "Cambrian", "Mesozoic", "Paleozoic", "Triassic", and "Proterozoic." Attribute_Definition_Source: This data set Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 98 Enumerated_Domain_Value_Definition: um - unmapped area Enumerated_Domain: Enumerated_Domain_Value: 99 Enumerated_Domain_Value_Definition: bu - bedrock unknown Enumerated_Domain: Enumerated_Domain_Value: 100 Enumerated_Domain_Value_Definition: Qs - Surficial deposits, undivided (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 101 Enumerated_Domain_Value_Definition: ice Enumerated_Domain: Enumerated_Domain_Value: 102 Enumerated_Domain_Value_Definition: water Enumerated_Domain: Enumerated_Domain_Value: 300 Enumerated_Domain_Value_Definition: Qv - Volcanic rocks, undivided (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 305 Enumerated_Domain_Value_Definition: Qhv - Volcanic rocks (Quaternary, Holocene) Enumerated_Domain: Enumerated_Domain_Value: 310 Enumerated_Domain_Value_Definition: Qv - Volcanic rocks, undivided (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 311 Enumerated_Domain_Value_Definition: Qv - Volcanic rocks, undivided (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 312 Enumerated_Domain_Value_Definition: Qdf - Debris-flow deposits (Quaternary, Holocene) Enumerated_Domain: Enumerated_Domain_Value: 313 Enumerated_Domain_Value_Definition: Qmf - Volcanic rubble and mudflows (Quaternary, Holocene) Enumerated_Domain: Enumerated_Domain_Value: 314 Enumerated_Domain_Value_Definition: Qmf - Volcanic rubble and mudflows (Quaternary, Holocene) Enumerated_Domain: Enumerated_Domain_Value: 402 Enumerated_Domain_Value_Definition: Qamp - Andesite and dacite domes (Quaternary) Enumerated_Domain: Enumerated_Domain_Value: 450 Enumerated_Domain_Value_Definition: QTv - Volcanic rocks, undivided (Quaternary, Pleistocene or Tertiary, Pliocene) Enumerated_Domain: Enumerated_Domain_Value: 460 Enumerated_Domain_Value_Definition: QTv - Volcanic rocks, undivided (Quaternary, Pleistocene or Tertiary, Pliocene) Enumerated_Domain: Enumerated_Domain_Value: 500 Enumerated_Domain_Value_Definition: Ts - Sedimentary rocks (Tertiary, Pliocene or Miocene) Enumerated_Domain: Enumerated_Domain_Value: 540 Enumerated_Domain_Value_Definition: Unit falls outside the northern Alaska Peninsula map area. Enumerated_Domain: Enumerated_Domain_Value: 630 Enumerated_Domain_Value_Definition: Ttyh - Kenai Group, Tyonek Formation and Hemlock Conglomerate, undivided (Tertiary, Miocene and Oligocene) Enumerated_Domain: Enumerated_Domain_Value: 850 Enumerated_Domain_Value_Definition: Tcl - Copper Lake Formation, undivided (Tertiary, Eocene and Paleocene?) Enumerated_Domain: Enumerated_Domain_Value: 855 Enumerated_Domain_Value_Definition: Twf - West Foreland Formation (Tertiary, early Eocene and late Paleocene) Enumerated_Domain: Enumerated_Domain_Value: 1000 Enumerated_Domain_Value_Definition: Tvu - Volcanic rocks, undivided (Tertiary) Enumerated_Domain: Enumerated_Domain_Value: 1003 Enumerated_Domain_Value_Definition: Tvu - Volcanic rocks, undivided (Tertiary) Enumerated_Domain: Enumerated_Domain_Value: 1011 Enumerated_Domain_Value_Definition: Tvr - Felsic volcanic rocks (Tertiary) Enumerated_Domain: Enumerated_Domain_Value: 1025 Enumerated_Domain_Value_Definition: Tb - Basaltic volcanic rocks (late Tertiary) Enumerated_Domain: Enumerated_Domain_Value: 1030 Enumerated_Domain_Value_Definition: Tpg - Gibraltar Lake Tuff (Tertiary, Pliocene? to Oligocene?) Enumerated_Domain: Enumerated_Domain_Value: 1031 Enumerated_Domain_Value_Definition: Tpg - Gibraltar Lake Tuff (Tertiary, Pliocene? to Oligene?) Enumerated_Domain: Enumerated_Domain_Value: 1070 Enumerated_Domain_Value_Definition: Tmf - Tuffaceous felsic volcanic rocks (Tertiary, Oligocene and Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1081 Enumerated_Domain_Value_Definition: Tmv - Volcanic rocks, undivided (Tertiary, Oligocene and Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1082 Enumerated_Domain_Value_Definition: Tmba - Basalt and andesite (Tertiary, Oligocene and Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1084 Enumerated_Domain_Value_Definition: Tmba - Basalt and andesite (Tertiary, Oligocene and Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1087 Enumerated_Domain_Value_Definition: Tmba - Basalt and andesite (Tertiary, Oligocene and Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1111 Enumerated_Domain_Value_Definition: Tmba - Basalt and andesite (Tertiary, Oligocene and Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1112 Enumerated_Domain_Value_Definition: Tmf - Tuffaceous felsic volcanic rocks (Tertiary, Oligocene and Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1125 Enumerated_Domain_Value_Definition: Tmba - Basalt and andesite (Tertiary, Oligocene, and Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1130 Enumerated_Domain_Value_Definition: Tvig - Ignimbrite (Tertiary, Paleocene) Enumerated_Domain: Enumerated_Domain_Value: 1200 Enumerated_Domain_Value_Definition: Unit falls outside the northern Alaska Peninsula map area Enumerated_Domain: Enumerated_Domain_Value: 1203 Enumerated_Domain_Value_Definition: Tig - Granite and aplite (Tertiary, Oligocene? and younger) Enumerated_Domain: Enumerated_Domain_Value: 1205 Enumerated_Domain_Value_Definition: Ti - Intrusive rocks, undivided (Tertiary) Enumerated_Domain: Enumerated_Domain_Value: 1275 Enumerated_Domain_Value_Definition: Togd - Granodiorite and quartz monzodiorite (Tertiary, Oligocene and late Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1300 Enumerated_Domain_Value_Definition: Teg - Granite (Tertiary, late Eocene) Enumerated_Domain: Enumerated_Domain_Value: 1318 Enumerated_Domain_Value_Definition: Tign - Gabbronorite (Tertiary) Enumerated_Domain: Enumerated_Domain_Value: 1320 Enumerated_Domain_Value_Definition: Tipg - Older granite (Tertiary, Paleocene) Enumerated_Domain: Enumerated_Domain_Value: 1325 Enumerated_Domain_Value_Definition: Tpgr - Peralkaline granite (Tertiary, Oligocene? and younger) Enumerated_Domain: Enumerated_Domain_Value: 1350 Enumerated_Domain_Value_Definition: Tigd - Granodiorite (Tertiary, Paleocene) Enumerated_Domain: Enumerated_Domain_Value: 1600 Enumerated_Domain_Value_Definition: TKv - Volcanic rocks (Tertiary and(or) Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 1602 Enumerated_Domain_Value_Definition: TKr - Rhyolite and dacite flows, tuff, dikes, and sills (Tertiary and(or) Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 1603 Enumerated_Domain_Value_Definition: TKr - Rhyolite and dacite flows, tuff, dikes, and sills (Tertiary and(or) Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 1604 Enumerated_Domain_Value_Definition: TKr - Rhyolite and dacite flows, tuff, dikes, and sills (Tertiary and(or) Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 1635 Enumerated_Domain_Value_Definition: TKb - Basalt flows (Tertiary and(or) Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 1655 Enumerated_Domain_Value_Definition: TKg - Granitic rocks, undivided (Tertiary and(or) Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 1656 Enumerated_Domain_Value_Definition: TKgr - Granite and alaskite (Tertiary and(or) Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 1657 Enumerated_Domain_Value_Definition: TKgs - Syenitic rocks (Tertiary and(or) Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 1658 Enumerated_Domain_Value_Definition: TKqm - Quartz monzonite and quartz monzodiorite (Tertiary and(or) Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 1660 Enumerated_Domain_Value_Definition: TKgd - Granodiorite (Tertiary and(or) Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 1665 Enumerated_Domain_Value_Definition: TKqd - Monzodiorite and quartz diorite (Tertiary and(or) Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 1670 Enumerated_Domain_Value_Definition: Unit falls outside the northern Alaska peninsula map area Enumerated_Domain: Enumerated_Domain_Value: 1955 Enumerated_Domain_Value_Definition: Kkg - Kaguyak Formation (Upper Cretaceous, Maastrichtian and Campanian) Enumerated_Domain: Enumerated_Domain_Value: 1961 Enumerated_Domain_Value_Definition: Ksm - Saddle Mountain section of Magoon and others (1980) (Upper Cretaceous, Maastrichtian) Enumerated_Domain: Enumerated_Domain_Value: 1970 Enumerated_Domain_Value_Definition: Kk - Kuskokwim Group, undivided (Cretaceous, Campanian? to Albian?) Enumerated_Domain: Enumerated_Domain_Value: 1985 Enumerated_Domain_Value_Definition: Kkn - Kuskokwim Group, nearshore facies (Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 2190 Enumerated_Domain_Value_Definition: Unit falls outside the northern Alaska peninsula map area Enumerated_Domain: Enumerated_Domain_Value: 2260 Enumerated_Domain_Value_Definition: Kkv - Kuskokwim Group?, volcanogenic rocks (Cretaceous?) Enumerated_Domain: Enumerated_Domain_Value: 2410 Enumerated_Domain_Value_Definition: Kg - Plutonic rocks, undivided (Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 2420 Enumerated_Domain_Value_Definition: Kgd - Granodiorite (Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 2430 Enumerated_Domain_Value_Definition: Kqd - Quartz diorite (Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 2460 Enumerated_Domain_Value_Definition: Kgr - Granite (Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 2470 Enumerated_Domain_Value_Definition: Kqms - Quartz monzonite and syenite (Late Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 2480 Enumerated_Domain_Value_Definition: Klgd - Granodiorite (Late Cretaceous) Enumerated_Domain: Enumerated_Domain_Value: 2830 Enumerated_Domain_Value_Definition: KTrag - Togiak-Tikchik Complex, Argillite and graywacke (Lower Cretaceous to Upper Triassic) Enumerated_Domain: Enumerated_Domain_Value: 2831 Enumerated_Domain_Value_Definition: KTragi - Togiak-Tichik Complex, Argillite and graywacke, cut by dike swarms (Cretaceous to Triassic) Enumerated_Domain: Enumerated_Domain_Value: 2855 Enumerated_Domain_Value_Definition: KJkr - Koksetna River sequence of Wallace and others 1989 (Lower Cretaceous, Valanginian to Upper Jurassic, Kimmeridgian) Enumerated_Domain: Enumerated_Domain_Value: 2870 Enumerated_Domain_Value_Definition: KJv - Olivine basalt and fragmental volcanic rocks (Cretaceous or Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 2872 Enumerated_Domain_Value_Definition: KJvs - Volcanic and sedimentary rocks (Lower Cretaceous to Middle Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 2900 Enumerated_Domain_Value_Definition: KJg - Mafic granitic rocks (Cretaceous and(or) Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3010 Enumerated_Domain_Value_Definition: Jn - Naknek Formation (Upper Jurassic, Thithonian to Oxfordian) Enumerated_Domain: Enumerated_Domain_Value: 3012 Enumerated_Domain_Value_Definition: Jnn - Naknek Formation, Northeast Creek Sandstone Member (Upper Jurassic, Oxfordian) Enumerated_Domain: Enumerated_Domain_Value: 3013 Enumerated_Domain_Value_Definition: Jnst - Naknek Formation, Snug Harbor Siltstone Member (Upper Jurassic; Kimmeridgian and Oxfordian) Enumerated_Domain: Enumerated_Domain_Value: 3014 Enumerated_Domain_Value_Definition: Jnp - Naknek Formation, Pomeroy Arkose Member (Upper Jurassic, Kimmeridgian and Oxfordian?) Enumerated_Domain: Enumerated_Domain_Value: 3016 Enumerated_Domain_Value_Definition: Jnc - Naknek Formation, Chisik Conglomerate Member (Upper Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3020 Enumerated_Domain_Value_Definition: Jcp - Chinitna Formation, Paveloff Siltstone Member (Middle Jurassic, Callovian) Enumerated_Domain: Enumerated_Domain_Value: 3030 Enumerated_Domain_Value_Definition: Jct - Chinitna Formation, Tonnie Siltstone Member (Middle Jurassic, Callovian) Enumerated_Domain: Enumerated_Domain_Value: 3150 Enumerated_Domain_Value_Definition: Jkw - Graywacke of Kulukak Bay (Middle to Upper Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3181 Enumerated_Domain_Value_Definition: Jtb - Tuxedni Group, Bowser Formation (Middle Jurassic, Callovian and Bathonian) Enumerated_Domain: Enumerated_Domain_Value: 3182 Enumerated_Domain_Value_Definition: Jtt - Tuxedni Group, Twist Creek Siltstone (Middle Jurassic, Bajocian) Enumerated_Domain: Enumerated_Domain_Value: 3183 Enumerated_Domain_Value_Definition: Jtc - Tuxedni Group, Cynthia Falls Sandstone (Middle Jurassic, Bajocian?) Enumerated_Domain: Enumerated_Domain_Value: 3184 Enumerated_Domain_Value_Definition: Jtf - Tuxedni Group, Fitz Creek Siltstone (Middle Jurassic, middle Bajocian) Enumerated_Domain: Enumerated_Domain_Value: 3185 Enumerated_Domain_Value_Definition: Jtg - Tuxedni Group, Gaikema Sandstone (Middle Jurassic, lower middle Bajocian) Enumerated_Domain: Enumerated_Domain_Value: 3186 Enumerated_Domain_Value_Definition: Jtrg - Tuxedni Group, Red Glacier Formation (Middle Jurassic, lower Bajocian to lower middle Bajocian) Enumerated_Domain: Enumerated_Domain_Value: 3220 Enumerated_Domain_Value_Definition: Jms - Togiak-Tikchik Complex, Sedimentary rocks (Lower Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3250 Enumerated_Domain_Value_Definition: Jtk - Talkeetna Formation, undivided (Lower Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3251 Enumerated_Domain_Value_Definition: Jtkh - Talkeetna Formation, Horn Mountian Tuff Member (Lower Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3252 Enumerated_Domain_Value_Definition: Jtkp - Talkeetna Formation, Portage Creek Agglomerate Member (Lower Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3253 Enumerated_Domain_Value_Definition: Jtkm - Talkeetna Formation, Marsh Creek Breccia Member (Lower Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3260 Enumerated_Domain_Value_Definition: JTrp - Togiak-Tikchik Complex, Phyllite and chert (Lower Jurassic and Upper Triassic?) Enumerated_Domain: Enumerated_Domain_Value: 3380 Enumerated_Domain_Value_Definition: Jtr - Trondhjemite (Late Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3402 Enumerated_Domain_Value_Definition: Jqm - Granodiorite and quartz monzonite (Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3403 Enumerated_Domain_Value_Definition: Jqd - Quartz diorite, tonalite, and diorite (Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3404 Enumerated_Domain_Value_Definition: Jqd - Quartz diorite, tonalite, and diorite (Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3405 Enumerated_Domain_Value_Definition: Jqd - Quartz diorite, tonalite, and diorite (Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3420 Enumerated_Domain_Value_Definition: Jla - Lamporphyre and basalt dikes (Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3450 Enumerated_Domain_Value_Definition: Mzmi - Mafic igneous rocks (Mesozoic?) Enumerated_Domain: Enumerated_Domain_Value: 3495 Enumerated_Domain_Value_Definition: Jmu - Mafic and ultramafic plutonic rocks (Early Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 3821 Enumerated_Domain_Value_Definition: Jssc - Chert, sandstone, and siltstone (Lower Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 4011 Enumerated_Domain_Value_Definition: Trcg - Togiak-Tikchik Complex, Triassic limestone (Upper Triassic) Enumerated_Domain: Enumerated_Domain_Value: 4012 Enumerated_Domain_Value_Definition: Trlc - Limestone, silty limestone, and chert (Upper Triassic-Norian) Enumerated_Domain: Enumerated_Domain_Value: 4020 Enumerated_Domain_Value_Definition: Trk - Kamishak Formation, undivided (Upper Triassic, Norian) Enumerated_Domain: Enumerated_Domain_Value: 4022 Enumerated_Domain_Value_Definition: Trku - Kamishak Formation, Ursus Member (Upper Triassic, Norian) Enumerated_Domain: Enumerated_Domain_Value: 4023 Enumerated_Domain_Value_Definition: Trkm - Kamishak Formation, middle Member (Upper Triassic, Norian) Enumerated_Domain: Enumerated_Domain_Value: 4024 Enumerated_Domain_Value_Definition: Trkb - Kamishak Formation, Bruin Limestone Member (Upper Triassic, Norian) Enumerated_Domain: Enumerated_Domain_Value: 4035 Enumerated_Domain_Value_Definition: Trcg - Togiak-Tikchik Complex, Triassic limestone (Upper Triassic) Enumerated_Domain: Enumerated_Domain_Value: 4050 Enumerated_Domain_Value_Definition: Trsh - Gray shale and gray volcaniclastic sandstone (Triassic) Enumerated_Domain: Enumerated_Domain_Value: 4215 Enumerated_Domain_Value_Definition: Trv - Togiak-Tikchik Complex, Volcanic rocks (Upper Triassic) Enumerated_Domain: Enumerated_Domain_Value: 4425 Enumerated_Domain_Value_Definition: Trc - Cottonwood Bay Greenstone and Chilikradrotna Greenstone (Triassic) Enumerated_Domain: Enumerated_Domain_Value: 4950 Enumerated_Domain_Value_Definition: Mzm - Togiak-Tikchik Complex, Melange (Mesozoic?) Enumerated_Domain: Enumerated_Domain_Value: 5200 Enumerated_Domain_Value_Definition: MzPzu - Metamorphic rocks, undivided (Mesozoic and(or) Paleozoic) Enumerated_Domain: Enumerated_Domain_Value: 5220 Enumerated_Domain_Value_Definition: JPk - Kakhonak and Tlikakila Complexes (Jurassic, Triassic, and Permian(?) or older(?)) Enumerated_Domain: Enumerated_Domain_Value: 5240 Enumerated_Domain_Value_Definition: MzPzb - Metamorphosed mafic volcanic and sedimentary rocks (Mesozoic and(or) Paleozoic) Enumerated_Domain: Enumerated_Domain_Value: 5380 Enumerated_Domain_Value_Definition: Pzc - Togiak-Tikchik Complex, Black chert (lower Paleozoic) Enumerated_Domain: Enumerated_Domain_Value: 5730 Enumerated_Domain_Value_Definition: Pls - Togiak-Tikchik Complex, Limestone (Permian) Enumerated_Domain: Enumerated_Domain_Value: 5745 Enumerated_Domain_Value_Definition: Pcs - Togiak-Tikchik Complex, Clastic rocks (Permian?) Enumerated_Domain: Enumerated_Domain_Value: 5810 Enumerated_Domain_Value_Definition: Pv - Togiak-Tikchik Complex, Volcanic rocks (Permian?) Enumerated_Domain: Enumerated_Domain_Value: 6080 Enumerated_Domain_Value_Definition: TrPzrc - Togiak-Tikchik Complex, Rainbow chert (Triassic? to Paleozoic?) Enumerated_Domain: Enumerated_Domain_Value: 6412 Enumerated_Domain_Value_Definition: MDv - Togiak-Tikchik Complex, Greenstone and schist (Mississippian? and(or) Devonian?) Enumerated_Domain: Enumerated_Domain_Value: 6617 Enumerated_Domain_Value_Definition: Sab - Farewell terrane, Nixon Fork subterrane of Decker and others (1994), Algal boundstone (Upper Silurian, Ludlovian and Pridolian) Enumerated_Domain: Enumerated_Domain_Value: 6620 Enumerated_Domain_Value_Definition: Sls - Farewell terrane, Nixon Fork subterrane of Decker and others (1994), Lime mudstone (Upper Silurian, late Llandoverian to Wenlockian) Enumerated_Domain: Enumerated_Domain_Value: 7510 Enumerated_Domain_Value_Definition: Olss - Farewell terrane, Nixon Fork supbterrane of Decker and others (1994), Tcherskidium-bearing limestone (Upper Ordovician, Ashgillian) Enumerated_Domain: Enumerated_Domain_Value: 7515 Enumerated_Domain_Value_Definition: Os - Farewell terrane, Nixon Fork subterrane of Decker and others (1994), Shale (Ordovician) Enumerated_Domain: Enumerated_Domain_Value: 7560 Enumerated_Domain_Value_Definition: Oab - Farewell terrane, Nixon Fork subterrane of Decker and others (1994), Algal boundstone and lime mudstone (Lower Ordovician) Enumerated_Domain: Enumerated_Domain_Value: 7570 Enumerated_Domain_Value_Definition: Ols - Farewell terrane, Nixon Fork subterrane of Decker and others (1994), Lime mudstone (Lower Ordovician) Enumerated_Domain: Enumerated_Domain_Value: 8014 Enumerated_Domain_Value_Definition: Cls - Farewell terrane, Nixon Fork subterrane of Decker and others (1994), Limestone (Middle Cambrian) Enumerated_Domain: Enumerated_Domain_Value: 8015 Enumerated_Domain_Value_Definition: Cs - Farewell terrane, Nixon Fork subterrane of Decker and others (1994), Clastic and carbonate rocks (Lower Cambrian) Enumerated_Domain: Enumerated_Domain_Value: 8340 Enumerated_Domain_Value_Definition: DZn - Farewell terrane, Nixon Fork subterrane of Decker and others (1994), undivided (Devonian(?) to Proterozoic) Enumerated_Domain: Enumerated_Domain_Value: 9120 Enumerated_Domain_Value_Definition: Zs - Dolostone, limestone, orhtquartzite, and minor chert (Neoproterzoic?) Attribute: Attribute_Label: NSAMOD Attribute_Definition: NSAMOD is a character (8 10 C) item in the polygon attribute table. Attribute_Definition_Source: this data set Attribute_Domain_Values: Unrepresentable_Domain: ALT - hydrothermal alteration ALT-SER - sericitic hydrothermal alteration HFS - contatct metamorphism, hornfels Q - queried unit Attribute: Attribute_Label: SOURCE Attribute_Definition: SOURCE is a character (6 8 C) item found in both the polygon and arc attribute tables. The values are abbreviated codes representing the original source reference for the polygon or arc feature. The format for SOURCE is XX###, where XX is a two letter code for the 1:250,000 scale quadrangle and ### is a three digit number (with leading zeros). All source codes with '001' are unspecified sources for water and ice features, often paper topographic maps, and DRG or DLG files. Attribute_Definition_Source: this data set Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: DI002 Enumerated_Domain_Value_Definition: Platt, J.N., and Muller, E.H., 1957?, Photogeologic map of the Dillingham quadrangle: U.S. Geological Survey, unpublished manuscript map. Enumerated_Domain: Enumerated_Domain_Value: DI003 Enumerated_Domain_Value_Definition: Hoare, J.M., and Coonrad, W.L., 1978, Geologic map of the Goodnews and Hagemeister Island quadrangles region, southwestern Alaska: U.S. Geological Survey Open-File Report 78-9-B, scale 1:250,000, 2 sheets. (covers only extreme west edge of quadrangle) Enumerated_Domain: Enumerated_Domain_Value: DI005 Enumerated_Domain_Value_Definition: Wilson, F.H., Blodgett, R.B., Blome, C.D., Mohadjer, Solmaz, Preller, C.C., Klimasauskas, E.P., Gamble, B.M., and Coonrad, W.L., in prep. Reconnaissance bedrock geologic map for the northern Alaska Peninsula area, southwest Alaska; including the Dillingham, Iliamna, Lake Clark, Taylor Mountains and the western part of the Kenai and Seldovia 1:250,000-scale quadrangles: U.S. Geological Survey Scientific Investigations Map SIM-????, pamphlet, 111 ms. p., 2 sheets, scale 1:350,000. Enumerated_Domain: Enumerated_Domain_Value: DI007 Enumerated_Domain_Value_Definition: Hoare, J.M., Coonrad, W.L., Condon, W.H., various dates (1953 to 1975), unpublished field notes. Enumerated_Domain: Enumerated_Domain_Value: DI009 Enumerated_Domain_Value_Definition: Wilson, F.H., Hudson, T.L., Grybeck, Donald, Stoesser, D.B., Preller, C.C., Bickerstaff, Damon, Labay, Keith, and Miller, M.L., 2003, Preliminary geologic map of the northeast Dillingham quadrangle (D-1, D-2, C-1, and C-2) Alaska: U.S. Geological Survey Open-File Report 03-105, 13 p., scale 1:100,000. Enumerated_Domain: Enumerated_Domain_Value: IL002 Enumerated_Domain_Value_Definition: Detterman, R.L., and Reed, B.L., 1980, Stratigraphy, structure, and economic geology of the Iliamna quadrangle, Alaska: U.S. Geological Survey Bulletin 1368-B, 86 p., 1 sheet, scale 1:250,000. Enumerated_Domain: Enumerated_Domain_Value: IL003 Enumerated_Domain_Value_Definition: Detterman, R.L., and Reed, B.L., 1973, Surficial deposits of the Iliamna quadrangle, Alaska: U.S. Geological Survey Bulletin 1368-A, 64 p., 1 plate, scale 1:250,000. Enumerated_Domain: Enumerated_Domain_Value: IL006 Enumerated_Domain_Value_Definition: Wilson, F.H., Blodgett, R.B., Blome, C.D., Mohadjer, Solmaz, Preller, C.C., Klimasauskas, E.P., Gamble, B.M., and Coonrad, W.L., in prep., Reconnaissance bedrock geologic map for the northern Alaska Peninsula area, southwest Alaska; including the Dillingham, Iliamna, Lake Clark, Taylor Mountains and the western part of the Kenai and Seldovia 1:250,000-scale quadrangles: U.S. Geological Survey Scientific Investigations Map SIM-????, pamphlet, 111 ms. p., 2 sheets, scale 1:350,000. Enumerated_Domain: Enumerated_Domain_Value: IL007 Enumerated_Domain_Value_Definition: Detterman, R.L., and Hartsock, J.K., 1966, Geology of the Iniskin-Tuxedni region, Alaska: U.S. Geological Survey Professional Paper 512, 78 p., 6 plates, map, scale 1:63,630. Enumerated_Domain: Enumerated_Domain_Value: IL008 Enumerated_Domain_Value_Definition: Waythomas, C.F., and Miller, T.P., 1999, Preliminary volcano- hazard assessment for Iliamna Volcano: U.S. Geological Survey Open-File Report 99-373, 31 p., 1 plate. Enumerated_Domain: Enumerated_Domain_Value: IL009 Enumerated_Domain_Value_Definition: Bouley, B.A., St. George, Phil, and Wetherbee, P.K., 1995, Geology and discovery at Pebble Copper, a copper-gold porphyry system in southwest Alaska, in Porphyry deposits of the northwest Cordillera of North America: Canadian Institute of Mining Metallurgy, and Petroleum Special Volume 46, p. 422-435. Enumerated_Domain: Enumerated_Domain_Value: KN002 Enumerated_Domain_Value_Definition: Magoon, L.B., Adkison, W.L., and Egbert, R.M., 1976, Map showing geology, wildcat wells, Tertiary plant localities, K-Ar age dates, and petroleum operations, Cook Inlet area, Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I-1019, scale 1:250,000, 3 sheets. Enumerated_Domain: Enumerated_Domain_Value: KN003 Enumerated_Domain_Value_Definition: Bradley, D.C., and Wilson, F.H., 2000, Reconnaissance bedrock geology of the southeastern part of the Kenai quadrangle, Alaska, in Kelley, K.D., and Gough, L.P., eds., Geologic Studies in Alaska: U.S. Geological Survey Professional Paper 1615, p. 59-64. Enumerated_Domain: Enumerated_Domain_Value: KN005 Enumerated_Domain_Value_Definition: Detterman, R.L., and Hartsock, J.K., 1966, Geology of the Iniskin-Tuxedni region, Alaska: U.S. Geological Survey Professional Paper 512, 78 p., 6 plates, map scale 1:63,360. Enumerated_Domain: Enumerated_Domain_Value: KN006 Enumerated_Domain_Value_Definition: Riehle, J.R., and Emmel, K.S., 1980, Photointerpretation map of the surficial geology, Polly Creek to Mac Arthur River, Cook Inlet, Alaska: Alaska Division of Geological and Geophysical Surveys Geologic Report 64, 2 sheets, scale 1:63,360. Enumerated_Domain: Enumerated_Domain_Value: KN008 Enumerated_Domain_Value_Definition: Wilson, F.H., Blodgett, R.B., Blome, C.D., Mohadjer, Solmaz, Preller, C.C., Klimasauskas, E.P., Gamble, B.M., and Coonrad, W.L., in prep., Reconnaissance bedrock geologic map for the northern Alaska Peninsula area, southwest Alaska: including the Dillingham, Iliamna, Lake Clark, Taylor Mountains and the western part of the Kenai and Seldovia 1:250,000-scale quadrangles: U.S. Geological Survey Scientific Investigations Map SIM-????, pamphlet, 111 ms p., 2 sheets, scale 1:350,000. Enumerated_Domain: Enumerated_Domain_Value: KN009 Enumerated_Domain_Value_Definition: Reed. B.L., Lanphere, M.A., and Miller, T.P., 1992, Double Glacier volcano, a 'new' Quaternary volcano in the eastern Aleutian volcanic arc: Bulletin of Volcanology, v. 54, p. 631-637. Enumerated_Domain: Enumerated_Domain_Value: KN011 Enumerated_Domain_Value_Definition: Waythomas, C.F., and Miller, T.P., 1999, Preliminary volcano-hazard assessment for Iliamna Volcano: U.S. Geological Survey Open-File Report 99-373, 31 p., 1 plate. Enumerated_Domain: Enumerated_Domain_Value: KN012 Enumerated_Domain_Value_Definition: Reed. B.L., Miesch, A.T., and Lanphere, M.A., 1983, Plutonic rocks of Jurassic age in the Alaska-Aleutian Range batholith: Chemical variations and polarity: Geological Society of America Bulletin, v. 94, p. 1232-1240. Enumerated_Domain: Enumerated_Domain_Value: LC002 Enumerated_Domain_Value_Definition: Nelson, W.H., Carlson, Christine, and Case, J.E., 1983, Geologic map of the Lake Clark quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1114A, scale 1:250,000. Enumerated_Domain: Enumerated_Domain_Value: LC003 Enumerated_Domain_Value_Definition: Wallace, W.K., Hanks, C.L., and Rogers, J.F., 1989, The southern Kahiltna terrane: implications for the tectonic evolution of southwestern Alaska: Geological Society of America Bulletin, v. 101, p., 1389-1407. Enumerated_Domain: Enumerated_Domain_Value: LC005 Enumerated_Domain_Value_Definition: Wilson, F.H., Blodgett, R.B., Blome, C.D., Mohadjer, Solmaz, Preller, C.C., Klimasauskas, E.P., Gamble, B.M., and Coonrad, W.L., in prep., Reconnaissance bedrock geologic map for the northern Alaska Peninsula area, southwest Alaska; including the Dillingham, Iliamna, Lake Clark, Taylor Mountains and the western part of the Kenai and Seldovia 1:250,000-scale quadrangles: U.S. Geological Survey Scientific Investigations Map SIM-????, pamphlet, 111 ms. p., 2 sheets, scale 1:350,000. Enumerated_Domain: Enumerated_Domain_Value: LC006 Enumerated_Domain_Value_Definition: Wallace, W.K., 2002, Unpublished geologic mapping dated 1985, done while at ARCO, made available July 2002. Enumerated_Domain: Enumerated_Domain_Value: LC007 Enumerated_Domain_Value_Definition: Detterman, R.L., and Hartsock, J.K., 1966, Geology of the Iniskin-Tuxedni region, Alaska: U.S. Geological Survey Professional Paper 512, 78 p., 6 plates, map scale 1:63,360. Enumerated_Domain: Enumerated_Domain_Value: LC010 Enumerated_Domain_Value_Definition: Waythomas, C.F., and Miller, T.P., 1999, Preliminary volcano- hazard assessment for Iliamna Volcano: U.S. Geological Survey Open-File Report 99-373, 31 p., 1 plate. Enumerated_Domain: Enumerated_Domain_Value: LC011 Enumerated_Domain_Value_Definition: Reed, B.L., Miesch, A.T., and Lanphere, M.A., 1983, Plutonic rocks of Jurassic age in the Alaska-Aleutian Range batholith: Chemical variations and polarity: Geological Society of America Bulletin, v. 94, p. 1232, 1240. Enumerated_Domain: Enumerated_Domain_Value: LC012 Enumerated_Domain_Value_Definition: Eakins, G.R., Gilbert, W.G., and Bundtzen, T.K., 1978, Preliminary bedrock geology and mineral resource potential of west-central Lake Clark quadrangle of Alaska: Alaska Division of Geological and Geophysical Surveys Alaska Open-File Report 118, 15, p., 2 plates, scale 1:125,000. Enumerated_Domain: Enumerated_Domain_Value: SV002 Enumerated_Domain_Value_Definition: Bradley, D.C., Kusky, T.M., Haeussler, P.J., Karl, S.M., and Donley, D.T., 1999, Geology of the Seldovia quadrangle: U.S. Geological Survey Open-File Report 99-18, scale 1:250,000. Enumerated_Domain: Enumerated_Domain_Value: SV004 Enumerated_Domain_Value_Definition: Detterman, R.L., and Hartsock, J.K., 1966, Geology of the Iniskin-Tuxedni region, Alaska: U.S. Geological Survey Professional Paper 512, 78 p., 6 plates, map scale 1:63,360. Enumerated_Domain: Enumerated_Domain_Value: TA002 Enumerated_Domain_Value_Definition: Platt, J.N., 1957?, Photogeologic map of the Taylor Mountains quadrangle: U.S. Geological Survey, unpublished manuscript map. Enumerated_Domain: Enumerated_Domain_Value: TA003 Enumerated_Domain_Value_Definition: Reifenstuhl, R.R., Decker, John, and Coonrad, W.L., 1985, Compilation of geologic data from the Taylor Mountains D-8 quadrangle, southwestern Alaska: Alaska Division of Geological and Geophysical Surveys Report of Investigations 85-4, scale 1:63,360, 1 sheet. Enumerated_Domain: Enumerated_Domain_Value: TA006 Enumerated_Domain_Value_Definition: Hoare, J.M., and Coonrad, W.L., 1978, Geologic map of the Goodnews and Hagemeister Island quadrangles region, southwestern Alaska: U.S. Geological Survey Open-File Report 78-9-B, scale 1:250,000, 2 sheets (covers only extreme southwest corner of quadrangle) Enumerated_Domain: Enumerated_Domain_Value: TA007 Enumerated_Domain_Value_Definition: Blodgett, R.B., and Wilson, F.H., 2001, Reconnaissance geology north of the Hoholitna River, Taylor Mountains D-1 1:63,360- scale quadrangle, southwestern Alaska, in Gough, L.P., and Wilson, F.H., eds., Geologic studies in Alaska: U.S. Geological Survey Professional Paper, 1633, p. 73-82. Enumerated_Domain: Enumerated_Domain_Value: TA008 Enumerated_Domain_Value_Definition: Blodgett, R.B., Wilson, F.H., Miller, M.L., and Blome, C.D., 2000-2005, unpublished field mapping, Taylor Mountains D-2 and D-3 quadrangles. Enumerated_Domain: Enumerated_Domain_Value: TA009 Enumerated_Domain_Value_Definition: Clark, A.L., Condon, W.H., Hoare, J.M., and Sorg, D.H., 1979, Analyses of rock and stream-sediment samples from the Taylor Mountains A-6 and southern part of Taylor Mountains B-6 quadrangles, Alaska: U.S. Geological Survey Open-File Report (437), 94 p., 1 sheet, scale 1:63,360. Enumerated_Domain: Enumerated_Domain_Value: TA010 Enumerated_Domain_Value_Definition: Clark, A.L., Condon, W.H., Hoare, J.M., and Sorg, D.H., 1970, Analyses of rock and stream sediment samples from the northern part of the Taylor Mountains B-6 quadrangle, Alaska: U.S. Geological Survey Open-File Report (438), 89 p., 1 sheet, scale 1:63,360. Enumerated_Domain: Enumerated_Domain_Value: TA011 Enumerated_Domain_Value_Definition: Clark, A.L., Condon, W.H., Hoare, J.M., and Sorg, D.H., 1970, Analyses of rock and stream-sediment samples from the Taylor Mountains C-8 quadrangle, Alaska: U.S. Geological Survey Open-File Report (429), 110 pl, 1 sheet, scale 1:63,360. Enumerated_Domain: Enumerated_Domain_Value: TA014 Enumerated_Domain_Value_Definition: Burleigh, R.E., 1991, Evaluation of the tin-tungsten greisen mineralization and associated granite at Sleitat Mountain, southwestern Alaska: U.S. Bureau of Mines, Open-file Report 35-91, 41 p. Enumerated_Domain: Enumerated_Domain_Value: TA015 Enumerated_Domain_Value_Definition: Wilson, F.H., Blodgett, R.B., Blome, C.D., Mohadjer, Solmaz, Preller, C.C., Klimasauskas, E.P., Gamble, B.M., and Coonrad, W.L., in prep., Reconnaissance bedrock geologic map for the northern Alaska Peninsula area, southwest Alaska; including Dillingham, Iliamna, Lake Clark, Taylor Mountains and the western part of the Kenai and Seldovia 1:250,000-scale quandrangles: U.S. Geological Survey Scientific Investigations Map SIM-????, pamphlet, 111 ms. p., 2 sheets, scale 1:350,000. Enumerated_Domain: Enumerated_Domain_Value: TA017 Enumerated_Domain_Value_Definition: Cady, W.M., Wallace, R.E., Hoare, J.M., and Webber, E.J., 1955, The central Kuskokwim region, Alaska: U.S. Geological Survey Professional Paper 268, 132 p., 9 plates including 1 map, scale about 1:500,000. Enumerated_Domain: Enumerated_Domain_Value: TA019 Enumerated_Domain_Value_Definition: Hoare, J.M., and Condon, W.H., 1969-1970, Geologic field notes and mapping in the western Taylor Mountains quadrangle: unpublished data synthesized by Ed Klimasauskas and F.H. Wilson. Enumerated_Domain: Enumerated_Domain_Value: TA020 Enumerated_Domain_Value_Definition: Sainsbury, C.L., and MacKevett, E.M., Jr., 1965, Quicksilver deposits of southwestern Alaska: U.S. Geological Survey Bulletin 1187, 89 p., 8 plates. Detailed_Description: Entity_Type: Entity_Type_Label: arcs Entity_Type_Definition: Characteristics of the arc features in the geology and lineation coverages are coded in the arc attribute table. Table .aat includes the following items: ARC-CODE, ARC-PARA1, and SOURCE. For explanation of SOURCE, see attribute definitions for polygons. Entity_Type_Definition_Source: this data set Attribute: Attribute_Label: ARC-CODE Attribute_Definition: ARC-CODE is a positive integer value (3 3 I) item in the arc attribute table. Values range discontinuously from 0 to 99. Values match one-for-one with geologic features (such as stratigraphic boundary, fault, etc.) Some ARC-CODE values have additional modifiers in item ARC-PARA1. Attribute_Definition_Source: this data set Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 0 Enumerated_Domain_Value_Definition: hidden line Enumerated_Domain: Enumerated_Domain_Value: 1 Enumerated_Domain_Value_Definition: Stratigraphic or intrusive contact, location certain Enumerated_Domain: Enumerated_Domain_Value: 2 Enumerated_Domain_Value_Definition: Stratigraphic or intrusive contact, location approximate Enumerated_Domain: Enumerated_Domain_Value: 3 Enumerated_Domain_Value_Definition: Stratigraphic or intrusive contact, location inferred, queried Enumerated_Domain: Enumerated_Domain_Value: 4 Enumerated_Domain_Value_Definition: Normal fault, location certain; if ARC-PARA1 = 1, then upthrown side on right from origin Enumerated_Domain: Enumerated_Domain_Value: 5 Enumerated_Domain_Value_Definition: Normal fault, location approximate; if ARC-PARA1 = 1, then upthrown side is on right from origin Enumerated_Domain: Enumerated_Domain_Value: 6 Enumerated_Domain_Value_Definition: Normal fault, location inferred or queried; if ARC-PARA1 = 1, then upthrown side is on right from origin Enumerated_Domain: Enumerated_Domain_Value: 7 Enumerated_Domain_Value_Definition: Shoreline or riverbank Enumerated_Domain: Enumerated_Domain_Value: 8 Enumerated_Domain_Value_Definition: Internal contact or phase change; no symbol drawn Enumerated_Domain: Enumerated_Domain_Value: 9 Enumerated_Domain_Value_Definition: Boundary of altered zone or hornfels; no symbol drawn Enumerated_Domain: Enumerated_Domain_Value: 10 Enumerated_Domain_Value_Definition: Thrust fault, location certain, teeth on right from origin Enumerated_Domain: Enumerated_Domain_Value: 11 Enumerated_Domain_Value_Definition: Thrust fault, location approximate; teeth on right from origin Enumerated_Domain: Enumerated_Domain_Value: 12 Enumerated_Domain_Value_Definition: Thrust fault, location inferred, queried; teeth on right from origin Enumerated_Domain: Enumerated_Domain_Value: 13 Enumerated_Domain_Value_Definition: Moraine or till margin (scour) on bedrock Enumerated_Domain: Enumerated_Domain_Value: 15 Enumerated_Domain_Value_Definition: Ice contact Enumerated_Domain: Enumerated_Domain_Value: 30 Enumerated_Domain_Value_Definition: Fault, sense of displacement uncertain, location certain Enumerated_Domain: Enumerated_Domain_Value: 31 Enumerated_Domain_Value_Definition: Fault, sense of displacement uncertain, location approximate Enumerated_Domain: Enumerated_Domain_Value: 35 Enumerated_Domain_Value_Definition: High-angle reverse fault, location certain, teeth on right from origin; angle of thrusting added to ARC-PARA1 if known Enumerated_Domain: Enumerated_Domain_Value: 36 Enumerated_Domain_Value_Definition: High-angle reverse fault, location approximate, teeth on right from origin; angle of thrusting added to ARC-PARA1 if known Enumerated_Domain: Enumerated_Domain_Value: 50 Enumerated_Domain_Value_Definition: Dikes and sills Enumerated_Domain: Enumerated_Domain_Value: 51 Enumerated_Domain_Value_Definition: Concealed contact Enumerated_Domain: Enumerated_Domain_Value: 52 Enumerated_Domain_Value_Definition: Concealed normal fault Enumerated_Domain: Enumerated_Domain_Value: 53 Enumerated_Domain_Value_Definition: Concealed thrust fault Enumerated_Domain: Enumerated_Domain_Value: 60 Enumerated_Domain_Value_Definition: Concealed fault, displacement uncertain Enumerated_Domain: Enumerated_Domain_Value: 93 Enumerated_Domain_Value_Definition: Lineament Enumerated_Domain: Enumerated_Domain_Value: 99 Enumerated_Domain_Value_Definition: Bounding line of coverage Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing address Address: MS 902 Box 25286 Denver Federal Center City: Lakewood State_or_Province: CO Postal_Code: 80225 Country: USA Contact_Voice_Telephone: 1-888-ASK-USGS Resource_Description: Open-File Report 2006-1303 Distribution_Liability: This world-wide web publication was prepared by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, expressed or implied, or assumes any legal liability or responsibility for the accuracy, product, or process disclosed in this report, or represents that its use would not infringe privately owned rights. Reference therein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government of any agency thereof. Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: ARCE File_Decompression_Technique: zip files Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://pubs.usgs.gov/of/2006/1303/ Fees: There is no cost for the download of these digital files Metadata_Reference_Information: Metadata_Date: 20060915 Metadata_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Nora Shew Contact_Address: Address_Type: mailling and physical address Address: 4200 University Drive City: Anchorage State_or_Province: Alaska Postal_Code: 99508 Country: U.S.A. Contact_Voice_Telephone: 907-786-7445 Contact_Electronic_Mail_Address: nshew@usgs.gov Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998