Identification_Information: Citation: Citation_Information: Originator: Wilson, F.H. Originator: Detterman, R.L. Originator: DuBois, G.D. Publication_Date: 1999 Title: Digital data for geologic framework of the Alaska Peninsula, southwest Alaska, and the Alaska Peninsula terrane Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Open-File Report Issue_Identification: OFR 99-317 Online_Linkage: http://wrgis.wr.usgs.gov/open-file/of99-317 Description: Abstract: USGS-Open-File Report 99-317 is a collection of digital databases that are the result of the compilation and re-interpretation of published and unpublished 1:250,000- and 1:63,360-scale mapping. The map area covers approximately 62,000 sq km (23,000 sq mi) in land area and encompasses much of 13 1:250,000-scale quadrangles on the Alaska Peninsula in southwestern Alaska. This report shows the bedrock geology of the following 1:250,000 scale quadrangles: Naknek, Mt. Katmai, Ugashik, Chignik, Sutwik Island, Cold Bay, Port Moller, Stepovak Bay, False Pass, Simeonof Island, Bristol Bay; and parts of Afognak and Karluk. Purpose: This compilation was done as part of the U.S. Geological Survey's Alaska Mineral Resource Assessment project (AMRAP), whose goal was to create and assemble geologic, geochemical, geophysical, and other data in order to perform mineral resource assessments on a quadrangle, regional, or statewide basis. The digital data here was created to assist in the compilation of a regional mineral resource assessment of the Alaska Peninsula. Supplemental_Information: USGS OFR99-317 consists of the following files: ARC/INFO Export files of the geology and fold axes-- In UTM projection: mkgeol.e00 (UTM zone 5), uggeol.e00 (UTM zone 4), cggeol.e00 (UTM zone 4), pmgeol.e00 (UTM zone 4), cbgeol.e00 (UTM zone 3), krc45.e00 (UTM zone 4) In Albers Equal-area projection: mkfld-alb.e00, ugfld-alb.e00, cgfld-alb.e00, pmfld-alb.e00, cbfld-alb.e00 In geographic coordinates: mkgeolg.e00, mkfldg.e00, uggeolg.e00, ugfldg.e00, cggeolg.e00, cgfldg.e00, pmgeolg.e00, pmfldg.e00, cbgeolg.e00, cbfldg.e00, Graphics files-- akpen.eps (entire map sheet), akpencor.eps, (correlation chart), penindex.eps (index map), inseta.eps (Karluk inset map), akpen.pdf (map), aptext.pdf (text), akpen.gra (A/I graphics file of complete map), akpencor.gra (A/I graphics file of correlation chart), penindex.gra (A/I graphics file of index map), inseta.gra (A/I graphics file of Karluk inset map), akpen.jet (HPGL file of entire map sheet) ARC related files-- AMLs: akpenofr.aml Ancillary text files: mapcred.pen, basecred.pen, penin1d.key, penin2d.key, penin3d.key, geoline.key, utm3-alb.prj, utm4-alb.prj, utm5-alb.prj Lookup tables and symbolsets: fnt020, fnt025, fnt036, fnt040, geoline.lut.e00, geology.lin.e00, geology.mrk.e00, geology.shd.e00, geology4.lut.e00, geology5.lut.e00, geology6.lut.e00 Other files-- akpencst.e00 (annotation and shoreline in Albers proj.), akpencstg.e00 (anno. and shoreline in geographic coord.), AKPENRDME.TXT (readme text file), APMAP.DOC (MS Word97/98 version of text to accompany map), akpenmet.txt (text file version of metadata file), akpenmet.faq (Frequently-asked-questions version of metadata in HTML; can be viewed by WEB browser) Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1995 Currentness_Reference: map compilation completed Status: Progress: Complete Maintenance_and_Update_Frequency: Unknown Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -164.0 East_Bounding_Coordinate: -153.0 North_Bounding_Coordinate: 59.0 South_Bounding_Coordinate: 54.0 Keywords: Theme: Theme_Keyword_Thesaurus: None Theme_Keyword: geology Theme_Keyword: bedrock Theme_Keyword: compilation Theme_Keyword: reconnaisance Place: Place_Keyword_Thesaurus: None Place_Keyword: Alaska Peninsula Place_Keyword: southwestern Alaska Place_Keyword: Alaska Place_Keyword: Naknek Place_Keyword: Mt. Katmai Place_Keyword: Afognak Place_Keyword: Bristol Bay Place_Keyword: Ugashik Place_Keyword: Karluk Place_Keyword: Chignik Place_Keyword: Sutwik Island Place_Keyword: Cold Bay Place_Keyword: Port Moller Place_Keyword: Stepovak Bay Place_Keyword: False Pass Place_Keyword: Simeonof Island Place_Keyword: Becharof National Wildlife Refuge Place_Keyword: Aniakchak National Monument and Preserve Place_Keyword: Unga Island Place_Keyword: Izembek National Wildlife Refuge Place_Keyword: Unimak Island Place_Keyword: Shumagin Islands Access_Constraints: None Use_Constraints: None 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: AK Postal_Code: 99508-4667 Country: USA Contact_Voice_Telephone: 907-786-7448 Contact_Electronic_Mail_Address: fwilson@usgs.gov Native_Data_Set_Environment: Data set was created using ESRI ARC/Info version 7 on a Unix platform. Browse_Graphic: Browse_Graphic_File_Name: akpen.pdf Browse_Graphic_File_Description: Map showing the geologic framework of the Alaska Peninsula Browse_Graphic_File_Type: PDF - Adobe portable document format Browse_Graphic: Browse_Graphic_File_Name: akpen.eps Browse_Graphic_File_Description: Map showing the geologic framework of the Alaska Peninsula Browse_Graphic_File_Type: EPS Browse_Graphic: Browse_Graphic_File_Name: akpen.jet Browse_Graphic_File_Description: Map showing the geologic framework of the Alaska Peninsula Browse_Graphic_File_Type: HPGL - Hewlett Packard plotter format Data_Quality_Information: Attribute_Accuracy: Attribute_Accuracy_Report: The linework was captured by hand digitizing from hand-drawn 1:63,360- and 1:250,000-scale mylar and paper maps that were in very good condition. Vector and polygon attributes were obtained from field maps and compilations. The digital data has been visually checked and the geologic map has undergone multiple technical reviews by J.R. Riehle, J.C. Moore, and C. Molenaar. Logical_Consistency_Report: The geology data sets (mkgeol, uggeol, cggeol, pmgeol, cbgeol, and krc45) are network coverages containing arcs and polygons. Each polygon has a coded attribute designating the mapped geologic unit. Faults and stratigraphic contacts are represented as arcs. When a fault is also a stratigraphic contact, only a single arc is present. Dangling arcs may be present (faults, dikes, etc.) The fold axes data sets (mkfld-alb, ugfld-alb, cgfld-alb, pmfld-alb, and cbfod-alb) are arc coverages. Dangling arcs are present. Folds mapped showing plunge were digitized in the direction of the plunge. Completeness_Report: The complete digital OFR contains all files needed to create the map sheet titled "Geologic map of the Alaska Peninsula, southwest Alaska." Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: Users of this digital geologic map should respect the intentions of the original mappers and the limitations of the map. This geologic map compilation is intended to be used at a scale of 1:250,000; it is not intended to be used at a more detailed scale. Lineage: Process_Step: Process_Description: The data was acquired in a number of ways. the Chignik and Ugashik group of quadrangles were digitized from published 1:250,000 map sheets at the EROS Data Center in Sioux Falls, South Dakota. These were edited to reflect new data. The Port Moller, Cold Bay, and Mt. Katmai groups of quadrangles were digitized from 1:63,360 scale map sheets and all maps were edited to ensure consistency. Process_Date: Unknown Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: vector Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Planar: Map_Projection: Map_Projection_Name: Albers Conical Equal Area Albers_Conical_Equal_Area: Standard_Parallel: 55.0 Standard_Parallel: 65.0 Longitude_of_Central_Meridian: -154.0 Latitude_of_Projection_Origin: 50.0 False_Easting: 0 False_Northing: 0 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 50 Ordinate_Resolution: 50 Planar_Distance_Units: meters Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: arcs Entity_Type_Definition: Characteristics of arcs in the arc attribute table of the geology and fold coverages Entity_Type_Definition_Source: USGS OFR 99-317 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 from 1-99. Arc-code describes the type of line feature. Attribute_Definition_Source: USGS OFR 99-317 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 0 Enumerated_Domain_Value_Definition: arc used to subdivide very large polygons 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 or inferred Enumerated_Domain: Enumerated_Domain_Value: 3 Enumerated_Domain_Value_Definition: Stratigraphic or intrusive contact, location inferred Enumerated_Domain: Enumerated_Domain_Value: 4 Enumerated_Domain_Value_Definition: Normal fault, location certain Enumerated_Domain: Enumerated_Domain_Value: 5 Enumerated_Domain_Value_Definition: Normal fault, location approximate Enumerated_Domain: Enumerated_Domain_Value: 6 Enumerated_Domain_Value_Definition: Normal fault, location inferred Enumerated_Domain: Enumerated_Domain_Value: 7 Enumerated_Domain_Value_Definition: Shoreline or riverbank Enumerated_Domain: Enumerated_Domain_Value: 9 Enumerated_Domain_Value_Definition: Boundary of altered zone or hornfels 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; teeth on right from origin Enumerated_Domain: Enumerated_Domain_Value: 14 Enumerated_Domain_Value_Definition: Caldera or crater rim Enumerated_Domain: Enumerated_Domain_Value: 15 Enumerated_Domain_Value_Definition: Ice contact Enumerated_Domain: Enumerated_Domain_Value: 18 Enumerated_Domain_Value_Definition: Internal contact Enumerated_Domain: Enumerated_Domain_Value: 21 Enumerated_Domain_Value_Definition: Syncline, location certain; digitized in direction of plunge Enumerated_Domain: Enumerated_Domain_Value: 22 Enumerated_Domain_Value_Definition: Syncline, location approximate; digitized in direction of plunge Enumerated_Domain: Enumerated_Domain_Value: 23 Enumerated_Domain_Value_Definition: Syncline, location inferred; digitized in direction of plunge Enumerated_Domain: Enumerated_Domain_Value: 24 Enumerated_Domain_Value_Definition: Anticline, location certain; digitized in direction of plunge Enumerated_Domain: Enumerated_Domain_Value: 25 Enumerated_Domain_Value_Definition: Anticline, location approximate, digitized in direction of plunge Enumerated_Domain: Enumerated_Domain_Value: 26 Enumerated_Domain_Value_Definition: Anticline, location inferred; digitized in direction of plunge Enumerated_Domain: Enumerated_Domain_Value: 41 Enumerated_Domain_Value_Definition: Syncline, overturned, location certain; digitized in direction of plunge Enumerated_Domain: Enumerated_Domain_Value: 42 Enumerated_Domain_Value_Definition: Syncline, overturned, location approximate; digitized in direction of plunge Enumerated_Domain: Enumerated_Domain_Value: 43 Enumerated_Domain_Value_Definition: Syncline, overturned, location inferred; digitized in direction of plunge Enumerated_Domain: Enumerated_Domain_Value: 44 Enumerated_Domain_Value_Definition: Anticline, overturned, location certain; digitized in direction of plunge Enumerated_Domain: Enumerated_Domain_Value: 45 Enumerated_Domain_Value_Definition: Anticline, overturned, location approximate; digitized in direction of plunge Enumerated_Domain: Enumerated_Domain_Value: 46 Enumerated_Domain_Value_Definition: Anticline, overturned, location inferred; digitized in direction of plunge 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 fault Enumerated_Domain: Enumerated_Domain_Value: 53 Enumerated_Domain_Value_Definition: Concealed thrust fault Enumerated_Domain: Enumerated_Domain_Value: 61 Enumerated_Domain_Value_Definition: Syncline, location certain, no plunge Enumerated_Domain: Enumerated_Domain_Value: 62 Enumerated_Domain_Value_Definition: Syncline, location approximate, no plunge Enumerated_Domain: Enumerated_Domain_Value: 63 Enumerated_Domain_Value_Definition: Syncline, location inferred, no plunge Enumerated_Domain: Enumerated_Domain_Value: 64 Enumerated_Domain_Value_Definition: Anticline, location certain, no plunge Enumerated_Domain: Enumerated_Domain_Value: 65 Enumerated_Domain_Value_Definition: Anticline, location approximate, no plunge Enumerated_Domain: Enumerated_Domain_Value: 66 Enumerated_Domain_Value_Definition: Anticline, location inferred, no plunge Enumerated_Domain: Enumerated_Domain_Value: 71 Enumerated_Domain_Value_Definition: Normal fault, location certain, having right lateral oblique slip Enumerated_Domain: Enumerated_Domain_Value: 72 Enumerated_Domain_Value_Definition: Normal fault, location approximate, having right lateral oblique slip Enumerated_Domain: Enumerated_Domain_Value: 73 Enumerated_Domain_Value_Definition: Normal fault, location certain, having left lateral oblique slip Enumerated_Domain: Enumerated_Domain_Value: 74 Enumerated_Domain_Value_Definition: Normal fault, location approximate, having left lateral oblique slip Enumerated_Domain: Enumerated_Domain_Value: 75 Enumerated_Domain_Value_Definition: Normal fault, location inferred, having left lateral oblique slip Enumerated_Domain: Enumerated_Domain_Value: 77 Enumerated_Domain_Value_Definition: Fault, location certain, sense of displacement unknown Enumerated_Domain: Enumerated_Domain_Value: 78 Enumerated_Domain_Value_Definition: Fault, location inferred, sense of displacement unknown Enumerated_Domain: Enumerated_Domain_Value: 79 Enumerated_Domain_Value_Definition: Fault, location approximate, sense of displacement unknown Enumerated_Domain: Enumerated_Domain_Value: 87 Enumerated_Domain_Value_Definition: Right lateral fault, location certain Enumerated_Domain: Enumerated_Domain_Value: 88 Enumerated_Domain_Value_Definition: Right lateral fault, location approximate Enumerated_Domain: Enumerated_Domain_Value: 89 Enumerated_Domain_Value_Definition: Right lateral fault, location inferred Enumerated_Domain: Enumerated_Domain_Value: 90 Enumerated_Domain_Value_Definition: Left lateral fault, location certain Enumerated_Domain: Enumerated_Domain_Value: 91 Enumerated_Domain_Value_Definition: Left lateral fault, location approximate Enumerated_Domain: Enumerated_Domain_Value: 92 Enumerated_Domain_Value_Definition: Left lateral fault, location inferred 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 Detailed_Description: Entity_Type: Entity_Type_Label: polygons Entity_Type_Definition: Characteristic of the polygon features are coded in the pat, polygon attribute table. The pat consists of the following items: CLASS, LABEL (geologic unit label), SYMBOL (shadeset color symbol), YAGE (minimum age in m.y.), OAGE (maximum age in m.y.), LITH1, LITH2. Entity_Type_Definition_Source: USGS OFR 99-317 Attribute: Attribute_Label: class Attribute_Definition: Class is a positive integer value (4 5 B) item in the polygon attribute table. Values range from 99-2999. A single lookup table for all the geology coverages contain the unit label and color symbol number or each unit. (See USGS OFR 99-317 for full descriptions of the geologic unit. Attribute_Definition_Source: USGS OFR 99-317 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 99 Enumerated_Domain_Value_Definition: bu - Unknown bedrock Enumerated_Domain: Enumerated_Domain_Value: 100 Enumerated_Domain_Value_Definition: Qa - Alluvial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 101 Enumerated_Domain_Value_Definition: g - Glaciers Enumerated_Domain: Enumerated_Domain_Value: 102 Enumerated_Domain_Value_Definition: Water Enumerated_Domain: Enumerated_Domain_Value: 105 Enumerated_Domain_Value_Definition: Qa - Alluvial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 106 Enumerated_Domain_Value_Definition: Qaf - Alluvial fan and landslide deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 107 Enumerated_Domain_Value_Definition: Qaf - Alluvial fan and landslide deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 108 Enumerated_Domain_Value_Definition: Qa - Alluvial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 110 Enumerated_Domain_Value_Definition: Qa - Alluvial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 111 Enumerated_Domain_Value_Definition: Qa - Alluvial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 112 Enumerated_Domain_Value_Definition: Qa - Alluvial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 113 Enumerated_Domain_Value_Definition: Qa - Alluvial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 115 Enumerated_Domain_Value_Definition: Qb - Marine beach and estuarine deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 116 Enumerated_Domain_Value_Definition: Qb - Marine beach and estuarine deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 117 Enumerated_Domain_Value_Definition: Qmt - Marine terrace deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 120 Enumerated_Domain_Value_Definition: Qa - Alluvial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 125 Enumerated_Domain_Value_Definition: Qm - Moraines and other glacial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 126 Enumerated_Domain_Value_Definition: Qm - Moraines and other glacial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 127 Enumerated_Domain_Value_Definition: Qa - Alluvial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 130 Enumerated_Domain_Value_Definition: Qm - Moraines and other glacial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 131 Enumerated_Domain_Value_Definition: Qa - Alluvial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 135 Enumerated_Domain_Value_Definition: Qm - Moraines and other glacial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 136 Enumerated_Domain_Value_Definition: Qm - Moraines and other glacial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 137 Enumerated_Domain_Value_Definition: Qm - Moraines and other glacial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 138 Enumerated_Domain_Value_Definition: Qm - Moraines and other glacial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 139 Enumerated_Domain_Value_Definition: Qm - Moraines and other glacial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 140 Enumerated_Domain_Value_Definition: Qa - Alluvial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 142 Enumerated_Domain_Value_Definition: Qm - Moraines and other glacial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 143 Enumerated_Domain_Value_Definition: Qa - Alluvial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 145 Enumerated_Domain_Value_Definition: Qm - Moraines and other glacial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 146 Enumerated_Domain_Value_Definition: Qa - Alluvial deposits (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 150 Enumerated_Domain_Value_Definition: Qv - Volcanic rocks (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 151 Enumerated_Domain_Value_Definition: Qv - Volcanic rocks (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 152 Enumerated_Domain_Value_Definition: Qv - Volcanic rocks (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 153 Enumerated_Domain_Value_Definition: Qv - Volcanic rocks (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 154 Enumerated_Domain_Value_Definition: Qpd - Pyroclastic and debris-flow deposits (Holocene and late Pleistocene?) Enumerated_Domain: Enumerated_Domain_Value: 155 Enumerated_Domain_Value_Definition: Qv - Volcanic rocks (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 160 Enumerated_Domain_Value_Definition: Qpd - Pyroclastic and debris-flow deposits (Holocene and late Pleistocene?) Enumerated_Domain: Enumerated_Domain_Value: 161 Enumerated_Domain_Value_Definition: Qpd - Pyroclastic and debris-flow deposits (Holocene and late Pleistocene?) Enumerated_Domain: Enumerated_Domain_Value: 162 Enumerated_Domain_Value_Definition: Qpd - Pyroclastic and debris-flow deposits (Holocene and late Pleistocene?) Enumerated_Domain: Enumerated_Domain_Value: 164 Enumerated_Domain_Value_Definition: Qpd - Pyroclastic and debris-flow deposits (Holocene and late Pleistocene?) Enumerated_Domain: Enumerated_Domain_Value: 165 Enumerated_Domain_Value_Definition: Qpd - Pyroclastic and debris-flow deposits (Holocene and late Pleistocene?) Enumerated_Domain: Enumerated_Domain_Value: 170 Enumerated_Domain_Value_Definition: Qv - Volcanic rocks (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 171 Enumerated_Domain_Value_Definition: Qi - Intrusive rocks (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 172 Enumerated_Domain_Value_Definition: Qpd - Pyroclastic and debris-flow deposits (Holocene and late Pleistocene?) Enumerated_Domain: Enumerated_Domain_Value: 180 Enumerated_Domain_Value_Definition: Qi - Intrusive rocks (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 181 Enumerated_Domain_Value_Definition: Qi - Intrusive rocks (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 182 Enumerated_Domain_Value_Definition: Qi - Intrusive rocks (Holocene and Pleistocene) Enumerated_Domain: Enumerated_Domain_Value: 190 Enumerated_Domain_Value_Definition: QTv - Volcanic rocks (Quaternary and Pliocene?) Enumerated_Domain: Enumerated_Domain_Value: 191 Enumerated_Domain_Value_Definition: QTm - Morzhovoi Volcanics (early Quaternary?, Pliocene, and late Miocene?) Enumerated_Domain: Enumerated_Domain_Value: 192 Enumerated_Domain_Value_Definition: QTp - Pyroclastic deposits (Pleistocene? and Pliocene) Enumerated_Domain: Enumerated_Domain_Value: 193 Enumerated_Domain_Value_Definition: QTv - Volcanic rocks (Quaternary and Pliocene?) Enumerated_Domain: Enumerated_Domain_Value: 210 Enumerated_Domain_Value_Definition: Tmr - Milky River Formation (Pliocene) Enumerated_Domain: Enumerated_Domain_Value: 211 Enumerated_Domain_Value_Definition: Tmr - Milky River Formation (Pliocene) Enumerated_Domain: Enumerated_Domain_Value: 221 Enumerated_Domain_Value_Definition: Tta - Tachilni Formation (late Miocene) Enumerated_Domain: Enumerated_Domain_Value: 222 Enumerated_Domain_Value_Definition: Tbl - Bear Lake Formation (late and middle Miocene) Enumerated_Domain: Enumerated_Domain_Value: 230 Enumerated_Domain_Value_Definition: Tu - Unga Formation (middle Miocene to late Oligocene) Enumerated_Domain: Enumerated_Domain_Value: 231 Enumerated_Domain_Value_Definition: Th - Hemlock Conglomerate (late Oligocene) Enumerated_Domain: Enumerated_Domain_Value: 232 Enumerated_Domain_Value_Definition: Tbe - Belkofski Formation (middle Miocene? to late Oligocene?) Enumerated_Domain: Enumerated_Domain_Value: 240 Enumerated_Domain_Value_Definition: Ts - Stepovak Formation (early Oligocene and late Eocene) Enumerated_Domain: Enumerated_Domain_Value: 250 Enumerated_Domain_Value_Definition: Tc - Copper Lake Formation (early Eocene and Paleocene?) Enumerated_Domain: Enumerated_Domain_Value: 260 Enumerated_Domain_Value_Definition: Tt - Tolstoi Formation (middle Eocene to late Paleocene) Enumerated_Domain: Enumerated_Domain_Value: 300 Enumerated_Domain_Value_Definition: Tvu - Volcanic rocks, undivided (Tertiary) Enumerated_Domain: Enumerated_Domain_Value: 301 Enumerated_Domain_Value_Definition: Tvu - Volcanic rocks, undivided (Tertiary) Enumerated_Domain: Enumerated_Domain_Value: 302 Enumerated_Domain_Value_Definition: Tvu - Volcanic rocks, undivided (Tertiary) Enumerated_Domain: Enumerated_Domain_Value: 303 Enumerated_Domain_Value_Definition: Tvu - Volcanic rocks, undivided (Tertiary) Enumerated_Domain: Enumerated_Domain_Value: 305 Enumerated_Domain_Value_Definition: Tvu - Volcanic rocks, undivided (Tertiary) Enumerated_Domain: Enumerated_Domain_Value: 310 Enumerated_Domain_Value_Definition: Tv - Volcanic rocks (late Miocene) Enumerated_Domain: Enumerated_Domain_Value: 311 Enumerated_Domain_Value_Definition: Tv - Volcanic rocks (late Miocene) Enumerated_Domain: Enumerated_Domain_Value: 331 Enumerated_Domain_Value_Definition: Tm - Meshik Volcanics (early Oligocene and late Eocene) Enumerated_Domain: Enumerated_Domain_Value: 332 Enumerated_Domain_Value_Definition: Tm - Meshik Volcanics (early Oligocene and late Eocene) Enumerated_Domain: Enumerated_Domain_Value: 333 Enumerated_Domain_Value_Definition: Tm - Meshik Volcanics (early Oligocene and late Eocene) Enumerated_Domain: Enumerated_Domain_Value: 334 Enumerated_Domain_Value_Definition: Tm - Meshik Volcanics (early Oligocene and late Eocene) Enumerated_Domain: Enumerated_Domain_Value: 335 Enumerated_Domain_Value_Definition: Tm - Meshik Volcanics (early Oligocene and late Eocene) Enumerated_Domain: Enumerated_Domain_Value: 350 Enumerated_Domain_Value_Definition: Tiu - Intrusive rocks, undivided (Tertiary) Enumerated_Domain: Enumerated_Domain_Value: 351 Enumerated_Domain_Value_Definition: Tiu - Intrusive rocks, undivided (Tertiary) Enumerated_Domain: Enumerated_Domain_Value: 352 Enumerated_Domain_Value_Definition: Tgd - Granodiorite (Oligocene) Enumerated_Domain: Enumerated_Domain_Value: 353 Enumerated_Domain_Value_Definition: Tqd - Quartz diorite (Oligocene) Enumerated_Domain: Enumerated_Domain_Value: 361 Enumerated_Domain_Value_Definition: Ti - Intrusive rocks (Pliocene and late Miocene) Enumerated_Domain: Enumerated_Domain_Value: 362 Enumerated_Domain_Value_Definition: Ti - Intrusive rocks (Pliocene and late Miocene) Enumerated_Domain: Enumerated_Domain_Value: 372 Enumerated_Domain_Value_Definition: Tiu - Intrusive rocks, undivided (Tertiary) Enumerated_Domain: Enumerated_Domain_Value: 391 Enumerated_Domain_Value_Definition: Tg - Granodiorite (Paleocene) Enumerated_Domain: Enumerated_Domain_Value: 411 Enumerated_Domain_Value_Definition: Kc - Chignik Formation (Late Cretaceous; Maestrichtian and Campanian) Enumerated_Domain: Enumerated_Domain_Value: 412 Enumerated_Domain_Value_Definition: Ks - Shumagin Formation (Late Cretaceous; Maestrichtian) Enumerated_Domain: Enumerated_Domain_Value: 413 Enumerated_Domain_Value_Definition: Kh - Hoodoo Formation (Late Cretaceous; Maestrichtian and Campanian) Enumerated_Domain: Enumerated_Domain_Value: 414 Enumerated_Domain_Value_Definition: Kc - Chignik Formation (Late Cretaceous; Maestrichtian and Campanian) Enumerated_Domain: Enumerated_Domain_Value: 415 Enumerated_Domain_Value_Definition: Kk - Kaguyak Formation (Late Cretaceous; Maestrichtian and Campanian) Enumerated_Domain: Enumerated_Domain_Value: 416 Enumerated_Domain_Value_Definition: Ksm - Shumagin Formation, Mudstone (Late Cretaceous; Maestrichtian) Enumerated_Domain: Enumerated_Domain_Value: 431 Enumerated_Domain_Value_Definition: Kp - Pedmar Formation (Early Cretaceous; Albian) Enumerated_Domain: Enumerated_Domain_Value: 441 Enumerated_Domain_Value_Definition: Khe - Herendeen Formation (Early Cretaceous; Barremian and Hauterivian) Enumerated_Domain: Enumerated_Domain_Value: 442 Enumerated_Domain_Value_Definition: Kst - Staniukovich Formation (Early Cretaceous; Valanginian and Berriasian) Enumerated_Domain: Enumerated_Domain_Value: 490 Enumerated_Domain_Value_Definition: KJcv - Chert and volcanic sequence (Early Cretaceous or Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 505 Enumerated_Domain_Value_Definition: Jn? - Naknek Formation (Late Jurassic; Tithonian to Oxfordian) Enumerated_Domain: Enumerated_Domain_Value: 510 Enumerated_Domain_Value_Definition: Jn - Naknek Formation (Late Jurassic; Tithonian to Oxfordian) Enumerated_Domain: Enumerated_Domain_Value: 511 Enumerated_Domain_Value_Definition: Jnc - Naknek Formation Chisik Conglomerate Member (Oxfordian) Enumerated_Domain: Enumerated_Domain_Value: 512 Enumerated_Domain_Value_Definition: Jnn - Naknek Formation Northeast Creek Sandstone Member (Oxfordian) Enumerated_Domain: Enumerated_Domain_Value: 513 Enumerated_Domain_Value_Definition: Jns - Naknek Formation Snug Harbor Siltstone Member (Kimmeridgian and Oxfordian) Enumerated_Domain: Enumerated_Domain_Value: 514 Enumerated_Domain_Value_Definition: Jni - Naknek Formation Indecision Creek Sandstone Member (Tithonian and Kimmeridgian) Enumerated_Domain: Enumerated_Domain_Value: 515 Enumerated_Domain_Value_Definition: Jnk - Naknek Formation Katolinat Conglomerate Member (Tithonian) Enumerated_Domain: Enumerated_Domain_Value: 516 Enumerated_Domain_Value_Definition: Jn - Naknek Formation (Late Jurassic; Tithonian to Oxfordian) Enumerated_Domain: Enumerated_Domain_Value: 517 Enumerated_Domain_Value_Definition: Jn - Naknek Formation (Late Jurassic; Tithonian to Oxfordian) Enumerated_Domain: Enumerated_Domain_Value: 518 Enumerated_Domain_Value_Definition: Jn - Naknek Formation (Late Jurassic; Tithonian to Oxfordian) Enumerated_Domain: Enumerated_Domain_Value: 520 Enumerated_Domain_Value_Definition: Js - Shelikof Formation (Middle Jurassic; Callovian) Enumerated_Domain: Enumerated_Domain_Value: 521 Enumerated_Domain_Value_Definition: Js - Shelikof Formation (Middle Jurassic; Callovian) Enumerated_Domain: Enumerated_Domain_Value: 522 Enumerated_Domain_Value_Definition: Js - Shelikof Formation (Middle Jurassic; Callovian) Enumerated_Domain: Enumerated_Domain_Value: 523 Enumerated_Domain_Value_Definition: Js - Shelikof Formation (Middle Jurassic; Callovian) Enumerated_Domain: Enumerated_Domain_Value: 530 Enumerated_Domain_Value_Definition: Jk - Kialagvik Formation (Middle and Early Jurassic; Callovian to late Toarcian) Enumerated_Domain: Enumerated_Domain_Value: 540 Enumerated_Domain_Value_Definition: Jt - Talkeetna Formation (Early Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 571 Enumerated_Domain_Value_Definition: JPk - Kakhonak(?) Complex (Late Jurassic? to Permian?) Enumerated_Domain: Enumerated_Domain_Value: 591 Enumerated_Domain_Value_Definition: Jgd - Granodiorite (Late? and Middle Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 592 Enumerated_Domain_Value_Definition: Jgr - Granite (Late? and Middle Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 593 Enumerated_Domain_Value_Definition: Jqd - Tonalite and quartz diorite (Late? and Middle Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 594 Enumerated_Domain_Value_Definition: Jgb - Diorite and gabbro (Late? and Middle Jurassic) Enumerated_Domain: Enumerated_Domain_Value: 601 Enumerated_Domain_Value_Definition: Trk - Kamishak Formation (Late Triassic; Norian) Enumerated_Domain: Enumerated_Domain_Value: 625 Enumerated_Domain_Value_Definition: Trv - Volcanic rocks (Late Triassic) Enumerated_Domain: Enumerated_Domain_Value: 650 Enumerated_Domain_Value_Definition: Trc - Cottonwood Bay Greenstone (Late Triassic; Norian?) Enumerated_Domain: Enumerated_Domain_Value: 701 Enumerated_Domain_Value_Definition: Pls - Limestone (Permian; early Guadalupian) Enumerated_Domain: Enumerated_Domain_Value: 750 Enumerated_Domain_Value_Definition: Pv - Volcanic rocks (Permian?) Enumerated_Domain: Enumerated_Domain_Value: 800 Enumerated_Domain_Value_Definition: QTc - Contact-metamorphosed rocks (early Quaternary or late Tertiary) Enumerated_Domain: Enumerated_Domain_Value: 1000 - 1999 Enumerated_Domain_Value_Definition: Hydrothermally altered unit, rock unit = CLASS - 1,000 Enumerated_Domain: Enumerated_Domain_Value: 2000 - 2999 Enumerated_Domain_Value_Definition: Hornfelsed unit, rock unit = CLASS - 2,000 Attribute: Attribute_Label: Yage Attribute_Definition: Minimum age of geologic unit in millions of years Attribute_Definition_Source: USGS OFR 99-317 Attribute_Domain_Values: Unrepresentable_Domain: Positive numeric value Attribute: Attribute_Label: Oage Attribute_Definition: Maximum age of geologic unit in millions of years Attribute_Definition_Source: USGS OFR 99-317 Attribute_Domain_Values: Unrepresentable_Domain: Positive numeric value Attribute: Attribute_Label: Lith1 Attribute_Definition: General rock classification Attribute_Definition_Source: USGS OFR 99-317 Attribute_Domain_Values: Unrepresentable_Domain: General rock classification Attribute: Attribute_Label: Lith2 Attribute_Definition: General rock type Attribute_Definition_Source: USGS OFR 99-317 Attribute_Domain_Values: Unrepresentable_Domain: General rock type Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: USGS Information Services Contact_Address: Address_Type: mailing address Address: Box 25286 Denver Federal Center City: Denver State_or_Province: CO Postal_Code: 80225-0046 Country: USA Contact_Voice_Telephone: 303-202-4200 or 1-888-ASK-USGS Resource_Description: USGS OFR 99-317 (digital) Distribution_Liability: Although this data has been used by the USGS, no warranty, expressed or implied, is made by the USGS as to the accuracy of the data and related materials. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data, software, or related materials. Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: ARCE Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://wrgis.wr.usgs.gov/open-file/of99-317 Fees: none Technical_Prerequisites: The data and text for this digital publication requires either a Unix work-station, an IBM(1) or compatible personal computer or a MacIntosh(2) or compatible computer. A system capable of running ARC/INFO(3), version 5.0 or later is necessary for full functionality, however partial funtionality can be obtained using Arc/View(3). The PC should have an 80486 or higher processor (Pentium(4) recommended), Microsoft Window(5) 95 or higher (Windows 98 or NT recommended), 8 megabytes RAM (32 MB recommended), and a VGA color monitor that can display 256 colors. The Macintosh should have a 68030 or higher processor(PowerPC recommeded), 8 megabytes RAM (16 MB recommended), Apple System Software version 7.1.2 or later (8.1 or later recommended), and a 13-inch color monitor that can display 256 colors. Both platforms require MS Word(5) 97/98 or higher to read the .DOC files, and Adobe Acrobat(6) Reader 3.0 or higher to read the .PDF files. You will need GIS software such as ARC/INFO(3) to read the ARC graphics and related files. Registered trademarks: (1)IBM, Internation Business Machines, Corp.; (2)Apple Computer and Macintosh, Apple Computer; (3)Environmental Systems Research Institute, Inc.; (4)Intel, Corp.; (5)Adobe Systems Metadata_Reference_Information: Metadata_Date: 19990628 Metadata_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Nora Shew Contact_Position: Geologist Contact_Address: Address_Type: mailing and physical address Address: 4200 University Drive City: Anchorage State_or_Province: AK Postal_Code: 99508-4667 Country: U.S.A. Contact_Voice_Telephone: 907-561-1181 Contact_Electronic_Mail_Address: nshew@usgs.gov Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998