Metadata: Identification_Information: Citation: Citation_Information: Originator: E.E. Brabb Originator: R.W. Graymer Originator: D.L. Jones Publication_Date: 1998 Title: Geology of the Palo Alto 30 X 60 minute quadrangle, California: A digital database Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Open-File Report Issue_Identification: 98-348 Publication_Information: Publisher: U.S. Geological Survey Online_Linkage: http://pubs.usgs.gov/of/1998/of98-348/ Description: Abstract: Some of the benefits that can be derived from these geologic maps are: >1. Materials properties >2. Earthquake shaking >3. Liquefaction potential >4. Ground water pollution >5. Relating landslides >6. Location of mineral hazards >7. Seismic velocity >8. Earthquake faults >9. Education and scientific inquiry Purpose: The purpose of this new map is to compile the best available data on the identity and distribution of bedrock units, surficial deposits, and geologic structures at a regional scale, and to integrate those data into a digital spatial database. The digital nature of the product is important because it allows the geologic data to be easily combined with other data to produce derivative products (some of which are discussed below), allows new information to be readily integrated into the map database, makes transfer of data to users easy via the Internet, and facilitates production of a high-quality paper maps. Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1998 Currentness_Reference: publication date Status: Progress: complete Maintenance_and_Update_Frequency: none planned Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -122.5 East_Bounding_Coordinate: -122.0 North_Bounding_Coordinate: 37.5 South_Bounding_Coordinate: 36.75 Access_Constraints: none Use_Constraints: none Keywords: Theme: Theme_Keyword_Thesaurus: USGS Thesaurus Theme_Keyword: geology Theme_Keyword: geologic maps Theme_Keyword: bedrock geologic units Theme_Keyword: geologic structure Theme_Keyword: geospatial datasets Theme: Theme_Keyword_Thesaurus: National Geologic Map Database Catalog themes, augmented Theme_Keyword: 3400 - Graphical Theme_Keyword: 3100 - Vector Theme_Keyword: 3420 - PostScript Theme_Keyword: 3110 - ESRI Theme_Keyword: 3112 - export 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: f06081 = San Mateo Place_Keyword: f06085 = Santa Clara Place_Keyword: f06087 = Santa Cruz Point_of_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: E.E. Brabb Contact_Organization: US Geological Survey Contact_Address: Address_Type: mailing Address: US Geological Survey, 345 Middlefield Rd., MS 975 City: Menlo Park State_or_Province: CA Postal_Code: 94025 Country: USA Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/1998/of98-348/pamap.pdf Browse_Graphic_File_Description: A 4.9 megabyte PDF representation of the geologic map sheet Browse_Graphic_File_Type: PDF Data_Set_Credit: We are grateful to the following U.S. Geological Survey paleontologists who have examined our fossils and provided ages necessary to establish the stratigraphic sequence and structure: David Bukry (Cretaceous and Tertiary nannoplankton), Kristin McDougall (Tertiary foraminifers), William Sliter (deceased - Cretaceous and Eocene foraminifers), John Barron (Tertiary diatoms), Charles Powell II (Tertiary mollusks), and Bonita Murchey (Mesozoic radiolaria). We are also very grateful to managers and staff of Chevron, EXXON, UNOCAL, ARCO, and Shell Petroleum Companies who have provided reports, maps, picked slides, and residues for about 25,000 microfossil localities in the San Francisco Bay Region. We are grateful to Tracey Felger, who made the original scan and a preliminary edit of author materials; to Judy Mariant, who did additional editing and tagging of lines; and to Dominique Garnier, who digitized many of the bedding attitudes. Carl Wentworth kindly provided advice on digitizing and editing procedures. Ed Helley provided materials and advice on Quaternary units. Native_Data_Set_Environment: Arc/Info version 7.0.4 Data_Quality_Information: Logical_Consistency_Report: This digital map database, compiled from previously published and unpublished data, and new mapping by the authors, represents the general distribution of bedrock and surficial deposits in the Palo Alto 30 X 60 minute quadrangle. Completeness_Report: This map is intended to be of general use to engineers and land-use planners. However, its small scale does not provide sufficient detail for site development purposes. In addition, this map does not take the place of fault-rupture hazard zones designated by the California State Geologist (Hart and Bryant, 1997). Similarly, the database cannot be used to identify or delineate landslides in the region. For a depiction of landslide distribution, see Brabb and Pampeyan (1972), Brabb and others (1978), Cooper-Clark and Associates (1975), Mark (1992), Wieczorek and others (1985), and Wieczorek and others (1988). Lineage: Source_Information: Source_Citation: Citation_Information: Originator: Brabb, E.E. Originator: Pampeyan, E.H. Publication_Date: 1983 Title: Geologic map of San Mateo County, California Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Miscellaneous Investigations Series Map Issue_Identification: I-1257-A Source_Scale_Denominator: 62500 Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1983 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: Brabb and Pampeyan (1983) Source_Contribution: This database is based on this previously published geologic map of San Mateo County Source_Information: Source_Citation: Citation_Information: Originator: Brabb, E.E. Publication_Date: 1989 Title: Geologic map of Santa Cruz County, California Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Miscellaneous Investigations Series Map Issue_Identification: I-1905 Source_Scale_Denominator: 62500 Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1989 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: Brabb (1989) Source_Contribution: This map based on this previously published map of Santa Cruz county. Source_Information: Source_Citation: Citation_Information: Originator: Brabb, E.E. Originator: Graham, S. Originator: Wentworth, C. Originator: Knifong, D. Originator: Graymer, R. Originator: Blissenbach, J. Publication_Date: 1997 Title: Geologic map of Santa Cruz County, California: A digital database Geospatial_Data_Presentation_Form: vector digital data Series_Information: Series_Name: U.S. Geological Survey Open-File Report Issue_Identification: 97-489 Source_Scale_Denominator: 62500 Type_of_Source_Media: online Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1997 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: Brabb and others (1997) Source_Contribution: This map based on this previously published map of Santa Cruz county. Process_Step: Process_Description: The geologic map information was digitized from stable originals of the geologic maps at 1:24,000 and 1:62,500 scale. The author manuscripts (pencil on mylar) were scanned using a Altek monochrome scanner with a resolution of 800 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 appropriate, and scanning artifacts visible at 1:24,000 were removed. Base Map layers were prepared from scale-stable printing negatives of the U.S. Geological Survey Palo Alto (1982 edition) 1:100,000 topographic map, which has a 50 meter contour interval. 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. Process_Date: 1982-1998 Process_Step: Process_Description: Creation of original metadata record Process_Date: 20000726 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Jennifer Lenz Contact_Organization: US 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 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Planar_Distance_Units: meters Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: PA_AS.PAT Entity_Type_Definition: Index map of assemblages in the Palo Alto 30 X 60 minute quadrangle Entity_Type_Definition_Source: OFR-98-348 Attribute: Attribute_Label: PTYPE Attribute_Definition: Polygon type Attribute_Definition_Source: OFR-98-348 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Butano Ridge Assemblage' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Mindego Hill Assemblage' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Montara Mountain Assemblage' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Pacifica Assemblage' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Pigeon Point Assemblage' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Portola Valley Assemblage' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Quaternary cover' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Santa Cruz Assemblage' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Sky Londa Assemblage' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Woodside Assemblage' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'artificial fill' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: H20 Enumerated_Domain_Value_Definition: body of water Detailed_Description: Entity_Type: Entity_Type_Label: PA_AS.AAT Entity_Type_Definition: Linear features on index map Entity_Type_Definition_Source: OFR-98-348 Attribute: Attribute_Label: LTYPE Attribute_Definition: Line type Attribute_Definition_Source: OFR-98-348 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: fault, certain Enumerated_Domain_Value_Definition: Observed fault Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fault, concealed Enumerated_Domain_Value_Definition: Conclealed 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 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: boundary that connects two lines Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: water boundary Enumerated_Domain_Value_Definition: Boundary of a body of water 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: PA_AS.PAT Entity_Type_Definition: Geologic assemblages at specific points (same attributes as polygon coverage PA_AS.PAT) Entity_Type_Definition_Source: OFR-98-348 Detailed_Description: Entity_Type: Entity_Type_Label: PA_QUAD.PAT Entity_Type_Definition: Quadrangle boundaries Entity_Type_Definition_Source: OFR-98-348 Attribute: Attribute_Label: PTYPE Attribute_Definition: Quadrangle names Attribute_Definition_Source: OFR-98-348 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'La Honda' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'San Gregorio' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Franklin Point' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Mountain View' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Palo Alto' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Woodside Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Half Moon Bay' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Cupertino Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Mindego Hill' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Castle Rock Ridge' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Big Basin' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Pigeon Point' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Felton Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Davenport Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Ano Nuevo' Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 'Santa Cruz' Detailed_Description: Entity_Type: Entity_Type_Label: PA_SO.AAT Entity_Type_Definition: Sources of data index map for this map database Entity_Type_Definition_Source: OFR-98-348 Attribute: Attribute_Label: LTYPE Attribute_Definition: Line type Attribute_Definition_Source: OFR-98-348 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: contact, certain Enumerated_Domain_Value_Definition: Known contact Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: leader Enumerated_Domain_Value_Definition: leader for text Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: map boundary Enumerated_Domain_Value_Definition: Mapped area Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: water boundary Enumerated_Domain_Value_Definition: Boundary of body of water Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: water boundary, certain Enumerated_Domain_Value_Definition: Boundary of body of water Detailed_Description: Entity_Type: Entity_Type_Label: PA_UM-FLT.AAT Entity_Type_Definition: Index map of faults in the Palo Alto 30 X 60 minute quadrangle with annotation showing the names of major faults Entity_Type_Definition_Source: OFR-98-348 Attribute: Attribute_Label: LTYPE Attribute_Definition: Line type Attribute_Definition_Source: OFR-98-348 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 inferred and 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: reverse fault, approx. located Enumerated_Domain_Value_Definition: Reverse fault whose position is not precisely known Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: reverse fault, certain Enumerated_Domain_Value_Definition: Observed reverse fault Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: reverse fault, concealed Enumerated_Domain_Value_Definition: Concealed reverse fault whose position is inferred 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, concealed, queried Enumerated_Domain_Value_Definition: Concealed thrust fault whose position is inferred and questionalble Detailed_Description: Entity_Type: Entity_Type_Label: PA_UM-PY.PAT Entity_Type_Definition: rock units in the Palo Alto 30 X 60 minute quadrangle Entity_Type_Definition_Source: OFR-98-348 Attribute: Attribute_Label: PTYPE Attribute_Definition: Polygon type Attribute_Definition_Source: OFR-98-348 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: af Enumerated_Domain_Value_Definition: Artificial fill (Historic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: alf Enumerated_Domain_Value_Definition: Artificial levee fill (Historic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qhasc Enumerated_Domain_Value_Definition: Artificial stream channels (Historic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qhsc Enumerated_Domain_Value_Definition: Stream channel deposits (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qbs Enumerated_Domain_Value_Definition: Beach sand (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qhbm Enumerated_Domain_Value_Definition: Bay mud (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qhb Enumerated_Domain_Value_Definition: Basin deposits (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qhbs Enumerated_Domain_Value_Definition: Basin deposits, salt-affected (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qhfp Enumerated_Domain_Value_Definition: Floodplain deposits (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qhl Enumerated_Domain_Value_Definition: Natural levee deposits (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qhaf1 Enumerated_Domain_Value_Definition: Younger alluvial fan deposits (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qhaf Enumerated_Domain_Value_Definition: Alluvial fan and fluvial deposits (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qyf Enumerated_Domain_Value_Definition: Younger (inner) alluvial fan deposits (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qyfo Enumerated_Domain_Value_Definition: Younger (outer) alluvial fan deposits (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qcl Enumerated_Domain_Value_Definition: Colluvium (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qs Enumerated_Domain_Value_Definition: Sand dune and beach deposits (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qal Enumerated_Domain_Value_Definition: Alluvium (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qls Enumerated_Domain_Value_Definition: Landslide deposits (Pleistocene and/or Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qpaf Enumerated_Domain_Value_Definition: Alluvial fan and fluvial deposits (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qpaf1 Enumerated_Domain_Value_Definition: Alluvial terrace deposits (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qpoaf Enumerated_Domain_Value_Definition: Older alluvial fan deposits (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qof Enumerated_Domain_Value_Definition: Coarse-grained older alluvial fan and stream terrace deposits (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qmt Enumerated_Domain_Value_Definition: Marine terrace deposits (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: QTsc Enumerated_Domain_Value_Definition: Santa Clara Formation (lower Pleistocene and upper Pliocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: QTsl Enumerated_Domain_Value_Definition: Lake beds (upper Pliocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: QTm Enumerated_Domain_Value_Definition: Merced Formation (lower Pleistocene and upper Pliocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tp Enumerated_Domain_Value_Definition: Purisima Formation (Pliocene and upper Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tptu Enumerated_Domain_Value_Definition: Tunitas Sandstone Member (Pliocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tpl Enumerated_Domain_Value_Definition: Lobitos Mudstone Member (Pliocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tpsg Enumerated_Domain_Value_Definition: San Gregorio Sandstone Member (Pliocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tpp Enumerated_Domain_Value_Definition: Pomponio Mudstone Member (Pliocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tpt Enumerated_Domain_Value_Definition: Tahana Member (Pliocene and upper Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tsc Enumerated_Domain_Value_Definition: Santa Cruz Mudstone (upper Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tsm Enumerated_Domain_Value_Definition: Santa Margarita Sandstone (upper Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tms Enumerated_Domain_Value_Definition: Unnamed marine sandstone and shale (upper Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tlad Enumerated_Domain_Value_Definition: Ladera Sandstone (upper(?) and middle Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tm Enumerated_Domain_Value_Definition: Monterey Formation (middle Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tlo Enumerated_Domain_Value_Definition: Lompico Sandstone (middle Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tpm Enumerated_Domain_Value_Definition: Page Mill Basalt (middle Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tuv Enumerated_Domain_Value_Definition: Unnamed Sedimentary and Volcanic Rocks (Miocene and Oligocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tls Enumerated_Domain_Value_Definition: Lambert Shale and San Lorenzo Formation, Undivided (lower Miocene, Oligocene, and middle and upper Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tla Enumerated_Domain_Value_Definition: Lambert Shale (Oligocene and lower Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmb Enumerated_Domain_Value_Definition: Mindego Basalt and related volcanic rocks (Miocene and/or Oligocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tvq Enumerated_Domain_Value_Definition: Vaqueros Sandstone (lower Miocene and Oligocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tz Enumerated_Domain_Value_Definition: Zayante Sandstone (Oligocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tsl Enumerated_Domain_Value_Definition: San Lorenzo Formation (Oligocene and upper and middle Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tsr Enumerated_Domain_Value_Definition: Rices Mudstone Member (Oligocene and upper Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tst Enumerated_Domain_Value_Definition: Twobar Shale Member (middle and upper Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tb Enumerated_Domain_Value_Definition: Butano Sandstone (middle and lower Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbu Enumerated_Domain_Value_Definition: Upper sandstone member, Butano Sandstone (middle and lower Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbm Enumerated_Domain_Value_Definition: Middle siltstone member, Butano Sandstone (middle and lower Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbl Enumerated_Domain_Value_Definition: Lower conglomerate and sandstone member, Butano Sandstone (middle and lower Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tblc Enumerated_Domain_Value_Definition: Conglomerate, Butano Sandstone (middle and lower Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbs Enumerated_Domain_Value_Definition: Shale in Butano Sandstone (lower Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tw Enumerated_Domain_Value_Definition: Whiskey Hill Formation (middle and lower Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tws Enumerated_Domain_Value_Definition: Shale in Whiskey Hill Formation (lower Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tu Enumerated_Domain_Value_Definition: Unnamed sedimentary rocks (Eocene?) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tl Enumerated_Domain_Value_Definition: Locatelli Formation (Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tlss Enumerated_Domain_Value_Definition: Sandstone, Locatelli Formation (Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kpp Enumerated_Domain_Value_Definition: Pigeon Point Formation (Upper Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Ksh Enumerated_Domain_Value_Definition: Unnamed shale (Upper Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Ka Enumerated_Domain_Value_Definition: Conglomerate of strata of Anchor Bay (Wentworth, 1968) (Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Ks Enumerated_Domain_Value_Definition: Unnamed sandstone and shale (Cretaceous(?)) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kgr Enumerated_Domain_Value_Definition: Granitic rocks of Montara Mountain (Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kqd Enumerated_Domain_Value_Definition: Granitic rocks of Ben Lomond Mountain (Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: KJv Enumerated_Domain_Value_Definition: Unnamed volcanic rocks (Cretaceous or older) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: KJf Enumerated_Domain_Value_Definition: Franciscan Complex, undivided (Cretaceous and Jurassic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fs Enumerated_Domain_Value_Definition: Sandstone, Franciscan Complex (Cretaceous and Jurassic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fg Enumerated_Domain_Value_Definition: Greenstone, Franciscan Complex (Cretaceous and Jurassic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fc Enumerated_Domain_Value_Definition: Chert, Franciscan Complex (Cretaceous and Jurassic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fl Enumerated_Domain_Value_Definition: Limestone, Franciscan Complex (Cretaceous and Jurassic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fm Enumerated_Domain_Value_Definition: Metamorphic rocks, Franciscan Complex (Cretaceous and Jurassic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fh Enumerated_Domain_Value_Definition: Argillite, Franciscan Complex (Cretaceous and Jurassic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fsr Enumerated_Domain_Value_Definition: Sheared rock (melange), Franciscan Complex (Cretaceous and Jurassic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: sp Enumerated_Domain_Value_Definition: Serpentinite (Cretaceous and/or Jurassic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Jsv Enumerated_Domain_Value_Definition: Siliceous volcanic rocks and keratophyre (Jurassic?) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Jgb Enumerated_Domain_Value_Definition: Gabbro (Jurassic?) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: db Enumerated_Domain_Value_Definition: Diabase and gabbro (Jurassic?) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: gd Enumerated_Domain_Value_Definition: Gneissic granodiorite (Mesozoic or Paleozoic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: sch Enumerated_Domain_Value_Definition: Metasedimentary rocks (Mesozoic or Paleozoic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: m Enumerated_Domain_Value_Definition: Marble (Mesozoic or Paleozoic) Detailed_Description: Entity_Type: Entity_Type_Label: PA_UM-PY.AAT Entity_Type_Definition: Linear geologic features Entity_Type_Definition_Source: OFR-98-348 Attribute: Attribute_Label: LTYPE Attribute_Definition: Line type Attribute_Definition_Source: OFR-98-348 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: 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: reverse fault, approx. located Enumerated_Domain_Value_Definition: Reverse fault whose position is not precisely known Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: reverse fault, certain Enumerated_Domain_Value_Definition: Observed reverse fault Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: reverse fault, concealed Enumerated_Domain_Value_Definition: Concealed reverse fault whose position is inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: scratch boundary, certain 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, concealed, queried Enumerated_Domain_Value_Definition: Concealed thrust fault whose position is inferred and questionable Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: water boundary Enumerated_Domain_Value_Definition: Boundary of body of water Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: water boundary, certain Enumerated_Domain_Value_Definition: Boudary of body of water Detailed_Description: Entity_Type: Entity_Type_Label: PA_UM-PY.PAT Entity_Type_Definition: Geologic map units at specific localities (same attributes as polygon coverage PA_UM-PY.PAT) Entity_Type_Definition_Source: OFR-98-348 Detailed_Description: Entity_Type: Entity_Type_Label: PA_UM-SR.AAT Entity_Type_Definition: Structural features Entity_Type_Definition_Source: OFR-98-348 Attribute: Attribute_Label: LTYPE Attribute_Definition: Line type Attribute_Definition_Source: OFR-98-348 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., syncline, approx. located Enumerated_Domain_Value_Definition: Synclinal fold axis whose position is not precisely known Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: f.a., syncline, certain Enumerated_Domain_Value_Definition: Observed synclinal fold axis Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: f.a., syncline, concealed Enumerated_Domain_Value_Definition: Concealed synclinal fold axis whose position is inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: f.a., syncline, inferred, queried Enumerated_Domain_Value_Definition: Synclinal fold axis whose position is inferred and questionable Detailed_Description: Entity_Type: Entity_Type_Label: PS_UM-SR.PAT Entity_Type_Definition: Bedding orientation Entity_Type_Definition_Source: OFR-98-348 Attribute: Attribute_Label: PTTYPE Attribute_Definition: Point type Attribute_Definition_Source: OFR-98-348 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: approx bedding Enumerated_Domain_Value_Definition: Bedding orientation that is not precisely known Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: bedding Enumerated_Domain_Value_Definition: bedding orientation Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: bedding w/tops Enumerated_Domain_Value_Definition: Bedding orientation with tops Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: flat bedding Enumerated_Domain_Value_Definition: Basically horizontal bedding Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: foliation Enumerated_Domain_Value_Definition: Foliation 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: Vertical bedding orientation Attribute: Attribute_Label: DIP Attribute_Definition: dip of bedding Attribute_Definition_Source: OFR-98-348 Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 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-98-348 Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 359 Attribute_Units_of_Measure: degrees Attribute_Measurement_Resolution: 1 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: US Geolocial Survey Open-File Report 98-348 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 "Geology of the Palo Alto 30 X 60 minute quadrangle, 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: 7.x Format_Information_Content: >ARC/INFO export file Description of coverage > >pa_um-py.e00 Faults, depositional contacts, and rock units >pa_um-sr.e00 Strike and dip information and fold axes >pa_quad.e00 Index map of quadrangles >pa_um-flt.e00 Index map of faults >pa_corr.e00 Correlation table for the units >pa_so.e00 Sources of data index map >pa_as.e00 Index map of Assemblages >pa_um-dr.e00 Drainage base map >pa_um-cu.e00 Cultural base map >pa_um-topo.e00 Topographic contours base map File_Decompression_Technique: gzip and tar Transfer_Size: 6.0 Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://pubs.usgs.gov/of/1998/of98-348/pa_g1.tar.gz 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