Metadata: Identification_Information: Citation: Citation_Information: Originator: R.W. Graymer Originator: D.L. Jones Originator: E.E. Brabb Publication_Date: 1994 Title: Preliminary geologic map emphasizing bedrock formations in Contra Costa County, California: A digital database Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Open-File Report Issue_Identification: 94-622 Online_Linkage: http://pubs.usgs.gov/of/1994/of94-622/ Description: Abstract: This digital map database, which is compiled from previously published and unpublished sources combined with new mapping, represents the general distribution and identity of bedrock in Contra Costa County, California. Purpose: The purpose of this report is to provide to the public a digital geologic map database, and together with the accompanying text file (ccgeo.txt), it provides current information on the stratigraphy and structural geology of the area covered. Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1994 Currentness_Reference: publication date Status: Progress: Complete Maintenance_and_Update_Frequency: None planned Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -122.436 East_Bounding_Coordinate: -121.5345 North_Bounding_Coordinate: 38.101 South_Bounding_Coordinate: 37.718 Access_Constraints: None Use_Constraints: None Point_of_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Graymer, Russell W Contact_Organization: USGS-GEO-WRG-NGM Contact_Address: Address_Type: mailing and physical address Address: Mail Stop 975, USGS 345 Middlefield Road City: Menlo Park State_or_Province: CA Postal_Code: 94025 Country: US Contact_Voice_Telephone: 650-329-4988 Contact_Electronic_Mail_Address: rgraymer@usgs.gov Keywords: Theme: Theme_Keyword_Thesaurus: USGS Thesaurus Theme_Keyword: geology Theme_Keyword: geologic maps Theme_Keyword: geologic structure Theme_Keyword: bedrock geologic units Theme_Keyword: surficial geologic units Theme_Keyword: geospatial datasets Theme: Theme_Keyword_Thesaurus: National Geologic Map Database Catalog themes, augmented Theme_Keyword: 3400 - Graphical Theme_Keyword: 3410 - PDF Theme_Keyword: 3100 - Vector Theme_Keyword: 3420 - PostScript Theme_Keyword: 3110 - ESRI Theme_Keyword: 3111 - coverage Theme_Keyword: 1100 - Geology Theme_Keyword: 1101 - General Theme: Theme_Keyword_Thesaurus: ISO 19115 Topic Categories Theme_Keyword: geoscientificInformation Place: Place_Keyword_Thesaurus: Augmented FIPS 10-4 and FIPS 6-4 Place_Keyword: f06013 = Contra Costa Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/1994/of94-622/ccmap.pdf Browse_Graphic_File_Description: Printable representation of the map, 5.5 megabytes Browse_Graphic_File_Type: PDF Data_Set_Credit: J. Ross Wagner, Montgomery Watson Consultants, Walnut Creek, kindly shared his extensive and high quality unpublished geologic maps covering the area from Pinole to San Ramon (see ccsource.txt). Thomas D. Barrow, President of Exxon, graciously released unpublished geologic mapping and paleontologic information collected by Howard S. Sonneman and John R. Switzer, Jr. covering most of the central and all of the eastern part of the county. We are grateful to James R. LeCompte who compiled these maps and other data in the 1970's. This drafted copy was scanned and initially edited and tagged by Maureen A. Kelly in consultation with Carl M. Wentworth. We are also grateful to Kristin R. McDougall, William V. Sliter, David Bukry, John A. Barron, and William P. Elder for paleontologic determinations, Marvin A Lanphere and Robert J. Fleck for the determination of the age of volcanic rocks, and Andrei M. Sarna-Wojcicki for correlation of volcanic tuffs that helped establish the stratigraphic sequence and structural complexity of the geologic units. Alvin A. Almgren, Unocal (retired) reviewed early versions of this map and provided much new information. Philip J. Stuecheli, Geotechnical Engineering Consultants, provided access and subdivision maps for an area under construction in Clayton. Tim D. Bray, consultant and Prof. Raymond Sullivan, San Francisco State Univ., arranged for access to cores and other geologic information in the Keller Canyon landfill area south of Pittsburg. David J. Gross, Woodward-Clyde Consultants, provided geologic maps and arranged for access to cores in the Los Vaqueros Dam area near Byron. Laurel Collins helped provide access to lands owned by the East Bay Regional Park District. Larry J. Dickerson and John M. Parker provided extensive support in the field. Carl Wentworth and Geoff Phelps provided assistance with Alacarte and ARC/INFO. Native_Data_Set_Environment: ARC/INFO version 6.1.1 Data_Quality_Information: Logical_Consistency_Report: This map represents an integration of the published and unpublished geologic maps of several previous workers (see Sources of Data in ccsource.txt) and more than 1000 man hours of new geologic mapping and field checking by us. The data are released in a preliminary digital form to provide an opportunity for staff from governmental agencies, consultants, teachers, and other users to have this geologic map long before the final map is published. Completeness_Report: The faults represented in this database are not intended to show hazards at any specific site, or to take the place of fault-rupture hazard zones designated by the California State Geologist (Hart, 1988). Lineage: Source_Information: Source_Citation: Citation_Information: Originator: Wagner Publication_Date: 1978 Title: Late Cenozoic history of the Coast Ranges east of San Francisco Bay Series_Information: Series_Name: Berkeley, University of California Issue_Identification: Ph.D. Thesis Other_Citation_Details: 160 pages, 12 plates Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1978 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: Wagner (1978) Source_Contribution: Geologic mapping of area Source_Information: Source_Citation: Citation_Information: Originator: Sheehan, J.R. Publication_Date: 1956 Title: Structure and stratigraphy of N.W. Contra Costa County, California Series_Information: Series_Name: Berkeley, University of California Issue_Identification: M.A. thesis Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1956 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: Sheehan (1956) Source_Contribution: Geologic mapping of the area Source_Information: Source_Citation: Citation_Information: Originator: Blake, M.C., Jr. Originator: Bartow, J.A. Originator: Frizzell, V.A., Jr. Originator: Sorg, C. Originator: Schlocker, J. Originator: Westworth, C.M. Originator: Wright, R.H. Publication_Date: 1974 Title: Preliminary geologic map of Marin, San Francisco, and parts of adjacent Counties, California Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Miscellaneous Field Studies Map Issue_Identification: MF-574 Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1974 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: Blake and others (1974) Source_Contribution: Geologic mapping of the area Source_Information: Source_Citation: Citation_Information: Originator: Radbruch, D.H. Publication_Date: 1969 Title: Areal and engineering geology of the Oakland East Quadrangle, California Series_Information: Series_Name: U.S. Geological Survey Miscellaneous Investigations Series Map Issue_Identification: GQ-769 Geospatial_Data_Presentation_Form: map Source_Scale_Denominator: 24000 Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1969 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: Radbruch (1969) Source_Contribution: Mapped Quaternary and Holocene faults in Contra Costa County Process_Step: Process_Description: The geologic map information was digitized from stable originals of the geologic maps mostly at 1:62,500 scale (geology in the San Quentin quadrangle was scanned at 1:24,000 scale). The author manuscripts (ink on mylar) were scanned using a Tektronix 4991 monochrome scanner with a resolution of 304.8 dots per inch. The scanned images were vectorized and transformed from scanner coordinates to projection coordinates with digital tics placed by hand at quadrangle corners. The scanned lines were edited interactively by hand using ALACARTE, color boundaries were tagged as a contact or fault as appropriate, and scanning artifacts visible at 1:50,000 were removed. Base Map layers were prepared from scale-stable printing negatives of the U.S. Geological Survey Napa (1983 edition), Lodi (1993 edition), Stockton (1989 edition), and San Francisco (1978 edition) 1:100,000 topographic maps. Scanned and vectorized images were transformed from scanner coordinates to projection coordinates with digital tics placed by hand at map corners. The images were then trimmed interactively by hand using ALACARTE to conform to the area of the geologic coverages, and the various portions were combined. Small mismatches at the boundaries caused by slight differences in the original scans remain in the three base map coverages. These base map layers are digital images but no information other than location is attached to the lines. Process_Date: unknown Process_Step: Process_Description: Creation of original metadata record Process_Date: 20000901 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Jennifer Lenz Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing Address: 12201 Surise Valley Drive, Mail Stop 918 City: Reston State_or_Province: VA Postal_Code: 20192 Country: USA Contact_Voice_Telephone: 703-648-6974 Contact_Facsimile_Telephone: 703-648-6560 Contact_Electronic_Mail_Address: pschweitzer@usgs.gov Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: vector Point_and_Vector_Object_Information: SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: Entity point SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: Complete Chain SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Planar: Grid_Coordinate_System: Grid_Coordinate_System_Name: Universal Transverse Mercator Universal_Transverse_Mercator: UTM_Zone_Number: 10 Transverse_Mercator: Scale_Factor_at_Central_Meridian: 0.9996 Longitude_of_Central_Meridian: -123 Latitude_of_Projection_Origin: 0.0 False_Easting: 500000 False_Northing: 0.0 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: Coordinate pair Planar_Distance_Units: meters Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: CC-CORR.AAT Entity_Type_Definition: This ARC coverage contains a correlation table for the units in these maps. 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approx. located Enumerated_Domain_Value_Definition: Thrust fault whose position is not precisely known Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: thrust fault, certain Enumerated_Domain_Value_Definition: Observed thrust fault Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: thrust fault, concealed Enumerated_Domain_Value_Definition: Thrust fault whose position is concealed and inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: thrust fault, concealed, queried Enumerated_Domain_Value_Definition: Thrust fault whose position is concealed and questionable Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: thrust fault, inferred Enumerated_Domain_Value_Definition: Thrust fault whose position is inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: thrust fault, inferred, queried_ Enumerated_Domain_Value_Definition: Thrust fault whose position is inferred and questionable 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Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: IV Enumerated_Domain_Value_Definition: Assemblage IV - Martinez Area Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Assemblage V - Diablo Valley Area Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (blank) Enumerated_Domain_Value_Definition: unknown Detailed_Description: Entity_Type: Entity_Type_Label: CC-AS.PAT Entity_Type_Definition: Index map of Assemblages in Contra Costa County Entity_Type_Definition_Source: OFR-94-0622 Attribute: Attribute_Label: PTYPE Attribute_Definition: Polygon type Attribute_Definition_Source: OFR-94-0622 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'San Pablo\Bay' Enumerated_Domain_Value_Definition: Location of San Pablo Bay Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: I Enumerated_Domain_Value_Definition: Assemblage I - Berkeley Hills Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: II Enumerated_Domain_Value_Definition: Assemblage II - Hercules Area Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: III Enumerated_Domain_Value_Definition: Assemblage III - Pinole Area Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: IV Enumerated_Domain_Value_Definition: Assemblage IV - Martinez Area Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: V Enumerated_Domain_Value_Definition: Assemblage V - Diablo Valley Area Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: VI Enumerated_Domain_Value_Definition: Assemblage VI - Eastern Area Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (blank) Enumerated_Domain_Value_Definition: unknown Detailed_Description: Entity_Type: Entity_Type_Label: CC_AS.AAT Entity_Type_Definition: Linear features on the index map of assemblages in Contra Costa county Entity_Type_Definition_Source: OFR-94-0622 Attribute: Attribute_Label: 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area Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: thrust fault, certain Enumerated_Domain_Value_Definition: Observed thrust fault Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: thrust fault, inferred Enumerated_Domain_Value_Definition: Thrust fault whose position is inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: water boundary, certain Enumerated_Domain_Value_Definition: Boundary of a body of water Detailed_Description: Entity_Type: Entity_Type_Label: CC-AS.PAT Entity_Type_Definition: Map units at specific points of the assemblages in Contra Costa County (same attributes as polygon coverage CC_AS.PAT) Entity_Type_Definition_Source: OFR-94-0622 Detailed_Description: Entity_Type: Entity_Type_Label: CC_DR.AAT Entity_Type_Definition: Drainage base map Entity_Type_Definition_Source: OFR-94-0622 Attribute: Attribute_Label: LTYPE Attribute_Definition: Line type Attribute_Definition_Source: OFR-94-0622 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: map boundary Enumerated_Domain_Value_Definition: Boundary of mapped area Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (blank) Enumerated_Domain_Value_Definition: unknown Detailed_Description: Entity_Type: Entity_Type_Label: CC_CU.AAT Entity_Type_Definition: Cultural base map Entity_Type_Definition_Source: OFR-94-0622 Attribute: Attribute_Label: LTYPE Attribute_Definition: Line type Attribute_Definition_Source: OFR-94-0622 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: map boundary Enumerated_Domain_Value_Definition: Boundary of mapped area Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (blank) Enumerated_Domain_Value_Definition: unknown Detailed_Description: Entity_Type: Entity_Type_Label: CC_QUAD.AAT Entity_Type_Definition: Index map of 7.5' quadrangle index maps in the Contra Costa county Entity_Type_Definition_Source: OFR-94-0622 Attribute: Attribute_Label: LTYPE Attribute_Definition: Line type Attribute_Definition_Source: OFR-94-0622 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: contact, certain Enumerated_Domain_Value_Definition: Observed contact Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: map boundary Enumerated_Domain_Value_Definition: Boundary of mapped area Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: water boundary, certain Enumerated_Domain_Value_Definition: Boundary of a body of water Detailed_Description: Entity_Type: Entity_Type_Label: CC_QUAD.PAT Entity_Type_Definition: Index map of 7.5' quadrangle index maps in the Contra Costa county (same attributes as arc coverage FLT_UTM.PAT Entity_Type_Definition_Source: OFR-94-0622 Detailed_Description: Entity_Type: Entity_Type_Label: CC_SO.PAT Entity_Type_Definition: Index map of sources of data Entity_Type_Definition_Source: OFR-94-0622 Attribute: Attribute_Label: PTYPE Attribute_Definition: Polygon type Attribute_Definition_Source: OFR-94-0622 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (blank) Enumerated_Domain_Value_Definition: unknown Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 14 Attribute_Units_of_Measure: unknown Attribute_Measurement_Resolution: 1 Detailed_Description: Entity_Type: Entity_Type_Label: CC_SO.AAT Entity_Type_Definition: Index map of sources of data (same attributes as arc coverage CC_QUAD.AAT) Entity_Type_Definition_Source: OFR-94-0622 Detailed_Description: Entity_Type: Entity_Type_Label: CC_SO.PAT Entity_Type_Definition: Index map of sources of data (same attributes as polygon coverage CC_SO.PAT) Entity_Type_Definition_Source: OFR-94-0622 Detailed_Description: Entity_Type: Entity_Type_Label: CC_SR.AAT Entity_Type_Definition: Fold axes Entity_Type_Definition_Source: OFR-94-0622 Attribute: Attribute_Label: LTYPE Attribute_Definition: Line type Attribute_Definition_Source: OFR-94-0622 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: f.a., anticline, approx. located Enumerated_Domain_Value_Definition: Anticlinal fold axis whose position is not precisely known Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: f.a., anticline, certain Enumerated_Domain_Value_Definition: Observed anticlinal fold axis Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: f.a., anticline, concealed Enumerated_Domain_Value_Definition: Concealed anticlinal fold axis whose position is inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: f.a., anticline, inferred Enumerated_Domain_Value_Definition: Anticlinal fold axis whose position is inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: f.a., overturned anticline, approx Enumerated_Domain_Value_Definition: Overturned antclinal fold axis whose position is not precisely known Attribute_Domain_Values: Enumerated_Domain: 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Enumerated_Domain_Value: f.a., syncline, certain Enumerated_Domain_Value_Definition: Synclinal fold axis whose position is known Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: f.a., syncline, concealed Enumerated_Domain_Value_Definition: Synclinal fold axis whose position is concealed and inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: f.a., syncline, inferred Enumerated_Domain_Value_Definition: Synclinal fold axis whose position is inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: map boundary Enumerated_Domain_Value_Definition: Boundary of mapped area Detailed_Description: Entity_Type: Entity_Type_Label: CC_SR.PAT Entity_Type_Definition: Strike and dip information Entity_Type_Definition_Source: OFR-94-0622 Attribute: Attribute_Label: PTTYPE Attribute_Definition: Point type Attribute_Definition_Source: OFR-94-0622 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: bedding Enumerated_Domain_Value_Definition: Bedding orientation Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: ot bedding Enumerated_Domain_Value_Definition: Overturned bedding orientation Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: vert bedding Enumerated_Domain_Value_Definition: Bedding whose dip is 90 degrees Attribute: Attribute_Label: DIP Attribute_Definition: Dip of bedding Attribute_Definition_Source: OFR-94-0622 Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 3 Range_Domain_Maximum: 90 Attribute_Units_of_Measure: degrees Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: STRIKE Attribute_Definition: Strike of bedding Attribute_Definition_Source: OFR-94-0622 Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 358 Attribute_Units_of_Measure: degrees Attribute_Measurement_Resolution: 1 Detailed_Description: Entity_Type: Entity_Type_Label: CC_TOPO.AAT Entity_Type_Definition: Topographic base map Entity_Type_Definition_Source: OFR-94-0622 Attribute: Attribute_Label: LTYPE Attribute_Definition: Line type Attribute_Definition_Source: OFR-94-0622 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: map boundary Enumerated_Domain_Value_Definition: Boundary of mapped area Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (blank) Enumerated_Domain_Value_Definition: unknown Detailed_Description: Entity_Type: Entity_Type_Label: CC_UTM.PAT Entity_Type_Definition: Geologic map units (? indicates uncertainty) Entity_Type_Definition_Source: OFR-94-0622 Attribute: Attribute_Label: PTYPE Attribute_Definition: Polygon type Attribute_Definition_Source: OFR-94-0622 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qu Enumerated_Domain_Value_Definition: Surficial deposits, undivided (Pleistocene and Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qls Enumerated_Domain_Value_Definition: Landslide deposits (Pleistocene and Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tb Enumerated_Domain_Value_Definition: Basaltic intrusive rocks (Pliocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tsv Enumerated_Domain_Value_Definition: Silicic intrusive rocks (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: KJf Enumerated_Domain_Value_Definition: Franciscan Complex (Jurassic to Upper Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbp Enumerated_Domain_Value_Definition: Bald Peak Basalt (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tst Enumerated_Domain_Value_Definition: Siesta Formation (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tm Enumerated_Domain_Value_Definition: Moraga Formation (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tor Enumerated_Domain_Value_Definition: Orinda Formation (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tcc Enumerated_Domain_Value_Definition: Claremont Chert (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tgs Enumerated_Domain_Value_Definition: Unnamed sandstone and siltstone (Eocene, Oligocene, and Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tsh Enumerated_Domain_Value_Definition: Greenish gray shale (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kph Enumerated_Domain_Value_Definition: Pinehurst Shale (Late Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kr Enumerated_Domain_Value_Definition: Redwood Canyon Formation (Late Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Ksc Enumerated_Domain_Value_Definition: Shephard Creek Formation (Late Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Ko Enumerated_Domain_Value_Definition: Oakland Conglomerate (Late Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kjm Enumerated_Domain_Value_Definition: Joaquin Miller Formation (Late Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: JKk Enumerated_Domain_Value_Definition: Knoxville Formation (Late Jurassic to Early Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Jsv Enumerated_Domain_Value_Definition: Keratophyre - Coast Range Ophiolite (Jurassic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: sp Enumerated_Domain_Value_Definition: Serpentinite - Coast Range Ophiolite (Jurassic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qmz Enumerated_Domain_Value_Definition: Montezuma Formation (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmlu Enumerated_Domain_Value_Definition: Upper member - Mullholland Formation of Ham (1952) (Pliocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmll Enumerated_Domain_Value_Definition: Lower member - Mullholland Formation of Ham (1952) (Pliocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tus Enumerated_Domain_Value_Definition: Unnamed sedimentary and volcanic rocks (Miocene and Pliocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tpt Enumerated_Domain_Value_Definition: Pinole Tuff (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tlt Enumerated_Domain_Value_Definition: Lafayette Tuff (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tn Enumerated_Domain_Value_Definition: Neroly Sandstone (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tc Enumerated_Domain_Value_Definition: Cierbo Sandstone (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbr Enumerated_Domain_Value_Definition: Briones Formation (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbg Enumerated_Domain_Value_Definition: G member of Wagner (1978) - Briones Formation (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbf Enumerated_Domain_Value_Definition: F member of Wagner (1978) - Briones Formation (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbe Enumerated_Domain_Value_Definition: E member of Wagner (1978) - Briones Formation (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbd Enumerated_Domain_Value_Definition: D member of Wagner (1978) - Briones Formation (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbu Enumerated_Domain_Value_Definition: Upper sandstone and shale member - Briones Formation (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbh Enumerated_Domain_Value_Definition: Hercules Shale Member - Briones Formation (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbl Enumerated_Domain_Value_Definition: Lower sandstone and siltstone member - Briones Formation (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tro Enumerated_Domain_Value_Definition: Rodeo Shale, Hambre Sandstone, Tice Shale, and Oursan Sandstone, undivided (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tr Enumerated_Domain_Value_Definition: Rodeo Shale (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Th Enumerated_Domain_Value_Definition: Hambre Sandstone (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tt Enumerated_Domain_Value_Definition: Tice Shale (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: To Enumerated_Domain_Value_Definition: Oursan Sandstone (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tcs Enumerated_Domain_Value_Definition: Claremont Shale (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Ts Enumerated_Domain_Value_Definition: Sobrante Sandstone (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tts Enumerated_Domain_Value_Definition: Tuffaceous sandstone (Oligocene or Miocene?) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tsr Enumerated_Domain_Value_Definition: San Ramon Sandstone (Oligocene and/or Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tshc Enumerated_Domain_Value_Definition: Shale and claystone (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tcgl Enumerated_Domain_Value_Definition: Conglomerate, sandstone, siltstone (Miocene and Pliocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tut Enumerated_Domain_Value_Definition: Tuff (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tdi Enumerated_Domain_Value_Definition: Diatomite (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tsa Enumerated_Domain_Value_Definition: Sandstone (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmu Enumerated_Domain_Value_Definition: Mudstone, shale, and siltstone (Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tes Enumerated_Domain_Value_Definition: Escobar Sandstone of Weaver (1953) (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tehs Enumerated_Domain_Value_Definition: Sandstone and shale member - Escobar Sandstone of Weaver (1953) (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Teh Enumerated_Domain_Value_Definition: Basal shale member - Escobar Sandstone of Weaver (1953) (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmr Enumerated_Domain_Value_Definition: Muir Sandstone of Weaver (1953) (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmru Enumerated_Domain_Value_Definition: Upper member - Muir Sandstone of Weaver (1953) (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmrl Enumerated_Domain_Value_Definition: Lower member - Muir Sandstone of Weaver (1953) (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tlj Enumerated_Domain_Value_Definition: Las Juntas Shale of Weaver (1953) (Paleocene and Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tlju Enumerated_Domain_Value_Definition: Upper member - Las Juntas Shale of Weaver (1953) (Paleocene and Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tljl Enumerated_Domain_Value_Definition: Lower member - Las Juntas Shale of Weaver (1953) (Paleocene and Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tvh Enumerated_Domain_Value_Definition: Vine Hill Sandstone of Weaver (1953) (Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tvhu Enumerated_Domain_Value_Definition: Upper member - Vine Hill Sandstone of Weaver (1953) (Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tvhl Enumerated_Domain_Value_Definition: Lower member - Vine Hill Sandstone of Weaver (1953) (Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Ku Enumerated_Domain_Value_Definition: Great Valley sequence (Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kcs Enumerated_Domain_Value_Definition: Gray, massive quartz arenite - Great Valley sequence (Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Ksh Enumerated_Domain_Value_Definition: Siltstone and shale - Great Valley sequence (Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kus Enumerated_Domain_Value_Definition: Sandstone, siltstone, and shale Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kuh Enumerated_Domain_Value_Definition: Massive sandstone, minor siltstone Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tgvt Enumerated_Domain_Value_Definition: Green Valley and Tassajara Formations of Conduit (1938), undivided (Miocene and Pliocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tdu Enumerated_Domain_Value_Definition: Upper member - Domingene Formation (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tdl Enumerated_Domain_Value_Definition: Lower member - Domingene Formation (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tdls Enumerated_Domain_Value_Definition: Sandstone - Domingene Formation (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kslt Enumerated_Domain_Value_Definition: Siltstone with minor shale, claystone, and sandstone. (Late Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Ttu Enumerated_Domain_Value_Definition: Tulare Formation (Pliocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tl Enumerated_Domain_Value_Definition: Lawlor Tuff (Pliocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tkt Enumerated_Domain_Value_Definition: Kirker Tuff (Oligocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmk Enumerated_Domain_Value_Definition: Markley Formation (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmku Enumerated_Domain_Value_Definition: Upper member - Markley Formation (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmkl Enumerated_Domain_Value_Definition: Lower member - Markley Formation (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tlu Enumerated_Domain_Value_Definition: Upper siltstone bed - Lower member - Markley Formation (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tll Enumerated_Domain_Value_Definition: Lower siltstone bed - Lower member - Markley Formation (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tsu Enumerated_Domain_Value_Definition: Upper part - Sidney Flat Shale Member - Markley Formation (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tsl Enumerated_Domain_Value_Definition: Lower part - Sidney Flat Shale Member - Markley Formation (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tnv Enumerated_Domain_Value_Definition: Nortonville Shale (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Td Enumerated_Domain_Value_Definition: Domingene Formation (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tm Enumerated_Domain_Value_Definition: Meganos Formation (Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tme Enumerated_Domain_Value_Definition: Upper member - Meganos Formation (Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmd Enumerated_Domain_Value_Definition: Sandstone member - Meganos Formation (Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmc Enumerated_Domain_Value_Definition: Shale member - Meganos Formation (Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmcss Enumerated_Domain_Value_Definition: Sandstone interbeds - Meganos Formation (Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tma Enumerated_Domain_Value_Definition: Lower member - Meganos Formation (Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmz Enumerated_Domain_Value_Definition: Unnamed sandstone and shale (Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmzu Enumerated_Domain_Value_Definition: Upper member - Unnamed sandstone and shale (Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmzl Enumerated_Domain_Value_Definition: Lower member - Unnamed sandstone and shale (Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kdv Enumerated_Domain_Value_Definition: Deer Valley Sandstone of Colburn (1964) (Late Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Keu Enumerated_Domain_Value_Definition: Upper member - Unit E - Great Valley sequence (Jurassic and Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kel Enumerated_Domain_Value_Definition: Lower member - Unit E - Great Valley sequence (Jurassic and Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kels Enumerated_Domain_Value_Definition: Sandstone interbeds - Unit E - Great Valley sequence (Jurassic and Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kd Enumerated_Domain_Value_Definition: Unit D - Sandstone (Late Cretaceous) - Great Valley sequence (Jurassic and Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kds Enumerated_Domain_Value_Definition: Shale member - Unit D - Great Valley sequence (Jurassic and Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kcu Enumerated_Domain_Value_Definition: Upper member - Unit C - Sandstone and shale (Late Cretaceous) - Great Valley sequence (Jurassic and Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kcus Enumerated_Domain_Value_Definition: Upper member sandstone - Upper member - Unit C - Great Valley sequence (Jurassic and Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kcm Enumerated_Domain_Value_Definition: Middle member - Unit C - Great Valley sequence (Jurassic and Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kcl Enumerated_Domain_Value_Definition: Lower member - Unit C - Great Valley sequence (Jurassic and Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kcls Enumerated_Domain_Value_Definition: Lower member sandstone - Unit C - Great Valley sequence (Jurassic and Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kb Enumerated_Domain_Value_Definition: Unit B - Sandstone and shale (Early Cretaceous) - Great Valley sequence (Jurassic and Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kbsh Enumerated_Domain_Value_Definition: Shale member - Unit B - Great Valley sequence (Jurassic and Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kbs Enumerated_Domain_Value_Definition: Sandstone member - Unit B - Great Valley sequence (Jurassic and Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Ka Enumerated_Domain_Value_Definition: Unit A - Shale, with minor sandstone (Early Cretaceous) - Great Valley sequence (Jurassic and Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kas Enumerated_Domain_Value_Definition: Sandstone member - Unit A - Great Valley sequence (Jurassic and Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: JKk Enumerated_Domain_Value_Definition: Knoxville Formation (Late Jurassic to Early Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Jpb Enumerated_Domain_Value_Definition: Pillow basalt, basalt breccia, and minor diabase - Coast Range Ophiolite (Jurassic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Jdb Enumerated_Domain_Value_Definition: Diabase - Coast Range Ophiolite (Jurassic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: sc Enumerated_Domain_Value_Definition: Silica carbonate rocks - Coast Range Ophiolite (Jurassic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: H20 Enumerated_Domain_Value_Definition: Body of water Detailed_Description: Entity_Type: Entity_Type_Label: CC_UTM.AAT Entity_Type_Definition: Faults, depositional contacts Entity_Type_Definition_Source: OFR-94-0622 Attribute: Attribute_Label: LTYPE Attribute_Definition: Line type Attribute_Definition_Source: OFR-94-0622 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: contact, approx. located Enumerated_Domain_Value_Definition: Contact whose position is not precisely known Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: contact, certain Enumerated_Domain_Value_Definition: Observed contact Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: contact, concealed Enumerated_Domain_Value_Definition: Concealed contact whose position is inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: contact, inferred Enumerated_Domain_Value_Definition: Contact whose position is inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: contact, inferred, queried Enumerated_Domain_Value_Definition: Contact whose position is inferred and questionable Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fault, approx. located Enumerated_Domain_Value_Definition: Fault whose position is not precisely known Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fault, certain Enumerated_Domain_Value_Definition: Observed fault Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fault, concealed Enumerated_Domain_Value_Definition: Concealed fault whose position is inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fault, concealed, queried Enumerated_Domain_Value_Definition: Concealed fault whose position is questionable Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fault, inferred Enumerated_Domain_Value_Definition: Fault whose position is inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fault, inferred, queried Enumerated_Domain_Value_Definition: Fault whose position is inferred and questionable Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: map boundary Enumerated_Domain_Value_Definition: Boundary of mapped area Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: scratch boundary Enumerated_Domain_Value_Definition: Location of scratch boundary Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: thrust fault, approx. located Enumerated_Domain_Value_Definition: Thrust fault whose position is not precisely known Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: thrust fault, certain Enumerated_Domain_Value_Definition: Observed thrust fault Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: thrust fault, concealed Enumerated_Domain_Value_Definition: Concealed thrust fault whose position is inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: thrust fault, inferred Enumerated_Domain_Value_Definition: Thrust fault whose position is inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: thrust fault, inferred, queried_ Enumerated_Domain_Value_Definition: Thrust fault whose position is inferred and questionable Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: water boundary, certain Enumerated_Domain_Value_Definition: Boundary of a body of water Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (blank) Enumerated_Domain_Value_Definition: unknown Detailed_Description: Entity_Type: Entity_Type_Label: CC_UTM.PAT Entity_Type_Definition: Geologic map units at specific locations (? indicates uncertainty) (same attributes as polygon coverage CC_UTM.PAT) Entity_Type_Definition_Source: OFR-94-0622 Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: USGS Information Services Contact_Address: Address_Type: mailing Address: Box 25286, Denver Federal Center City: Denver State_or_Province: Colorado Postal_Code: 80255-0046 Country: USA Contact_Voice_Telephone: 1-888-ASK-USGS Contact_Facsimile_Telephone: 1-303-202-4695 Contact_Electronic_Mail_Address: infoservices@usgs.gov Resource_Description: USGS Open-File Report 94-622 Distribution_Liability: This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards or with the North American Stratigraphic Code. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. This database, identified as "Preliminary geologic map emphasizing bedrock formations in Contra Costa County, California: A digital database," has been approved for release and publication by the Director of the USGS. Although this database has been subjected to rigorous review and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, it is released on condition that neither the USGS nor the United States Government may be held liable for any damages resulting from its authorized or unauthorized use. Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: ARCE Format_Version_Number: 6.x Format_Information_Content: >ARC/INFO Coverages Description of coverage > >cc_utm Faults, depositional contacts, and rock unit identities >cc_sr Fold axes, strike and dip information >cc-flt_utm >cc-flt_ano Together, these ARC coverages contain a fault map of Contra Costa County with major faults labeled >cc_dr Drainage base map >cc_cu Cultural base map >cc_topo Topographic contours base map >cc_so Index map of sources of data >cc_as Index map of Assemblages in Contra Costa County >cc_quad >cc-quad_ano Together, these ARC coverages contain an index map of 7.5 minute quadrangles in Contra Costa County >cc-corr_utm Correlation table for the units in these maps Transfer_Size: 21.2 File_Decompression_Technique: uncompress and tar Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://pubs.usgs.gov/of/1994/of94-622/cc_g1.tar.Z Fees: none Metadata_Reference_Information: Metadata_Date: 20160205 Metadata_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Peter N Schweitzer Contact_Organization: USGS Midwest Area Contact_Position: Collection manager, USGS Geoscience Data Clearinghouse, http://geo-nsdi.er.usgs.gov/ Contact_Address: Address_Type: mailing address Address: Mail Stop 954 12201 Sunrise Valley Dr City: Reston State_or_Province: VA Postal_Code: 20192-0002 Country: USA Contact_Voice_Telephone: 703-648-6533 Contact_Facsimile_Telephone: 703-648-6252 Contact_Electronic_Mail_Address: pschweitzer@usgs.gov Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998