Regional geologic map of San Andreas and related faults in Carrizo Plain, Temblor, Caliente and La Panza Ranges and vicinity, California: A digital database

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Frequently anticipated questions:


What does this data set describe?

Title:
Regional geologic map of San Andreas and related faults in Carrizo Plain, Temblor, Caliente and La Panza Ranges and vicinity, California: A digital database
Abstract:
This digital map database is prepared from a previously published map by Dibblee (1973). The geologic map database delineates map units that are identified by general age, lithology, and clast size following the stratigraphic nomenclature of the U.S. Geological Survey.
Supplemental_Information:
ARC/INFO export file	Coverage	Description of coverage

of99-14_3a.e00		czo-geol	Depositional contacts, faults, and unit labels
of99-14_3b.e00		czo-strc	Fold axes, strike and dip information
of99-14_3c.e00 	czo-oil         Oil Fields
of99-14_3d.e00		czo-topo	Topographic base map taken from scan of a photomosaic of USGS 15' topographic quadrangles
of99-14_3e.e00		czo-srcs	Quadrangle index and sources of geologic mapping
of99-14_3f.e00		czo-strt	Generalized columnar sections
of99-14_3g.e00		czo-corr	Correlation of map units
  1. How might this data set be cited?
    Graham, S. E., Mahony, T. M., Blissenbach, J. L., Mariant, J. J., Wentworth, C. M., and Dibblee, T. W., 1999, Regional geologic map of San Andreas and related faults in Carrizo Plain, Temblor, Caliente and La Panza Ranges and vicinity, California: A digital database: U.S. Geological Survey Open-File Report 99-14.

    Online Links:

    Other_Citation_Details: ARC/INFO export files. All files 75MB.
  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -120.7
    East_Bounding_Coordinate: -119.7
    North_Bounding_Coordinate: 36.1
    South_Bounding_Coordinate: 34.8
  3. What does it look like?
    http://pubs.usgs.gov/of/1999/of99-014/of99-14_4a_a.pdf (PDF)
    A 9 megabyte PDF representation of the northwest section of the geologic map.
    http://pubs.usgs.gov/of/1999/of99-014/of99-14_4a_b.pdf (PDF)
    A 8 megabyte PDF representation of the southeast section of the geologic map.
  4. Does the data set describe conditions during a particular time period?
    Calendar_Date: 1999
    Currentness_Reference:
    publication date
  5. What is the general form of this data set?
    Geospatial_Data_Presentation_Form: map
  6. How does the data set represent geographic features?
    1. How are geographic features stored in the data set?
      This is a vector data set.
    2. What coordinate system is used to represent geographic features?
      Grid_Coordinate_System_Name: California State Plane coordinate system
      State_Plane_Coordinate_System:
      SPCS_Zone_Identifier: 3376
      Planar coordinates are encoded using coordinate pair
      Abscissae (x-coordinates) are specified to the nearest unknown
      Ordinates (y-coordinates) are specified to the nearest unknown
      Planar coordinates are specified in meters
      The horizontal datum used is NAD27.
      The ellipsoid used is Clarke 1866.
      The semi-major axis of the ellipsoid used is 6378206.
      The flattening of the ellipsoid used is 1/294.98.
  7. How does the data set describe geographic features?
    CZO-GEOL.AAT
    Linear features on geological map (Source: OFR-99-14)
    LTYPE
    Line Type (Source: OFR-99-14)
    ValueDefinition
    contact, approx. locatedContact whose position is not precisely known.
    contact, certainObserved contact
    fault, approx. locatedFault whose position is not precisely known
    fault, certainObserved fault
    fault, concealedConcealed fault whose position is inferred
    map boundary, certainOutline of mapped area
    scratch boundary, certainThe scratch boundary is used to close off areas with unknown aerial extent for display purposes
    thrust fault, certainObserved thrust fault
    thrust fault, concealedConcealed thrust fault whose position is inferred.
    CZO-STRC.AAT
    Fold axes, strike and dip information (Source: OFR-99-14)
    LTYPE
    Line type (Source: OFR-99-14)
    ValueDefinition
    f.a., anticline, approx. locatedAnticlinal fold-axis whose position is not precisely known.
    f.a., anticline, certainObserved anticlinal fold-axis.
    f.a., anticline, concealedAnticlinal fold-axis whose position is concealed and inferred.
    f.a., syncline, approx. locatedSynclinal fold-axis whose position is not precisely known.
    f.a., syncline, certainObserved synclinal fold-axis.
    f.a., syncline, concealedSynclinal fold-axis whose position is concealed and inferred.
    CZO-STRC.PAT
    Bedding orientation (Source: OFR-99-14)
    PTTYPE
    Point type (Source: OFR-99-14)
    ValueDefinition
    beddingbedding plane
    vert beddingvertical bedding plane
    flat beddinghorizontal bedding plane whose orientation was not measured
    foliationfoliation orientation
    horz beddingHorizontal bedding plane whose orientation was measured.
    ot beddingOverturned bedding
    DIP
    Dip of bedding (Source: OFR-99-14)
    ValueDefinition
    -99unknown dip measurement
    Range of values
    Minimum:0
    Maximum:90
    Units:degrees
    Resolution:1
    STRIKE
    Strike of bedding (Source: OFR-99-14)
    Range of values
    Minimum:0
    Maximum:359
    Units:degrees
    Resolution:1
    CZO-OIL.PAT
    location of Oil Fields (Source: OFR-99-14)
    PTYPE
    Polygon type (Source: OFR-99-14)
    ValueDefinition
    oilfieldlocation of oilfield
    Fieldname
    Name of oilfield (Source: OFR-99-14)
    ValueDefinition
    Antelope Hills 
    Asphalto 
    Belgian Anticline 
    Blackwells Corner 
    Buena Vista Hills 
    Cymric 
    Devils Den 
    Elk Hills 
    Kettleman Hills 
    Lost Hills 
    McDonald Anticline 
    McKittric 
    Midway-Sunset 
    Morales Canyon 
    North Antelope Hills 
    North Belridge 
    North Cuyama 
    Pyramid Hills 
    South Belridge 
    South Cuyama 
    Taylor Canyon 
    CZO-OIL.AAT
    Outlines of oilfield (Source: OFR-99-14)
    LTYPE
    Line type (Source: OFR-99-14)
    ValueDefinition
    contact, approx. locatedOil field contact whose position is not precisely known
    scratch boundaryThe scratch boundary is used to close off areas with unknown aerial extent for display purposes
    Entity_and_Attribute_Overview:
    Contents of CZO-GEOL:
    
    PTYPE	Description
    
    Qa	alluvium (Holocene)
    Qc	playa lay (Holocene)
    Qla	landslide rubble (Holocene)
    Qoa	older alluvium (Pleistocene)
    QTp	Paso Pobles Formation (Pliocene(?) and Pleistocene)
    QTt	Tulare Formation (Pliocene(?) and Pleistocene)
    QTu	Unnamed valley sediment (Pliocene(?) and Pleistocene)
    Tmo	Morales Formation Valley sediments (Pliocene)
    Tq	Quatral Formation terrestrial claystone and sandstone (Pliocene)
    Tu	Unnamed marine sediments Sandstone and siltstone (Pliocene)
    Tab	Etchagoin Formation blue sandstone (Pliocene)
    Te	Etchagoin Formation gray sandstone and siltstone (Pliocene)
    Trr	Reef Ridge Shale (Miocene)
    Tbw	Bitterwater Creek Shale (Miocene)
    Tmb	Montary Shale Balridge Diatomite Member (Miocene)
    Tm	Montary Shale McLure Shale Member (Miocene)
    Tms	Montary Shale sandstone lenses (Miocene)
    Tmd	Montary Shale Devilwater Shale Member (Miocene)
    Tmg	Montary Shale Gould Shale Member (Miocene)
    Tmi	Montary Shale shale and sandstone unit (Miocene)
    Tmw	Montary Shale Whiterock Bluff Shale Member (Miocene)
    Tma	Montary Shale Saltos Shale Member (Miocene)
    Tmu	Montary Shale upper part, siliceous shale (Miocene)
    Tml	Montary Shale lower part, argilliceous and siliceous shale (Miocene)
    Tsm	Santa Margarita Formation, sandstone (Miocene)
    Tsg	Santa Margarita Formation, conglomerate and breccia (Miocene)
    gb	Santa Margarita Formation, granitic breccia (Miocene)
    sb	Santa Margarita Formation, schist breccia (Miocene)
    Tbs	Branch Canyon Sandstone (Miocene)
    Tb	Basalt, extrusive and intrusive (Miocene)
    Tc	Caliente Formation, terrestrial (Miocene and Pliocene)
    Tvs	Vaqueros Formation, sandstone (Oligocene and Miocene)
    Tvc	Vaqueros Formation, clay shale (Oligocene and Miocene)
    Tvp	Vaqueros Formation, Painted Rock Sandstone Member (Oligocene and Miocene)
    Tvl	Vaqueros Formation, Soda Lake Shale Member (Oligocene and Miocene)
    Tvq	Vaqueros Formation, Quail Canyon Sandstone Member (Oligocene and Miocene)
    Tts	Temblor Formation, sandstone (Oligocene and Miocene)
    Ttc	Temblor Formation, clay shale (Oligocene and Miocene)
    Ttg	Temblor Formation, basal conglomerate lens (Oligocene and Miocene)
    Ttb	Temblor Formation, Buttonbed Sandstone Member (Oligocene and Miocene)
    Ttm	Temblor Formation, Media Shale Member (Oligocene and Miocene)
    Ttr	Temblor Formation, Carneros Sandstone Member (Oligocene and Miocene)
    Ttn	Temblor Formation, upper part of Santos Shale Member (Oligocene and Miocene)
    Ttu	Temblor Formation, undivided lower memebers sandstone and claystone (Oligocene and Miocene)
    Tsi	Simmler Formation, mostly sandstone (Oligocene?)
    Tsc	Simmler Formation, mostly conglomerate (Oligocene?)
    Tw	Wagonwheel Formation, clay shale unit (Oligocene)
    Tws	Wagonwheel Formation, sandstone unit (Oligocene)
    Tk	Kreyenhagen Shale, undifferentiated shale (Eocene)
    Tkw	Kreyenhagen Shale, Welcome Shale Member (Eocene)
    Tkg	Kreyenhagen Shale, Gredal Shale Member (Eocene)
    Tpr	Point of Rocks, sandstone (Eocene)
    Ta	Avenal Sandstone (Eocene)
    Tus	Unnamed sandstone (Eocene)
    Tl	Lodo Formation (Paleocene and Eocene)
    Tss	Marine clastic sedimentary rocks, sandstone, clay shale and minor conglomerate (Eocene and Paleocene)
    Tcg	Marine clastic sedimentary rocks, conglomerate (Paleocene(?))
    Kss	Marine clastic sedimentary rocks, sandstone (Late Cretaceous)
    Kcg	Marine clastic sedimentary rocks, conglomerate (Late Cretaceous(?))
    Ks	Mostly marine sedimentary rocks, sandstone and clay shale, minor conglomerate (Cretaceous)
    Kcr	Mostly marine sedimentary rocks, red conglomerate and mudstone, Terrestrial (Cretaceous)
    Kco	Mostly marine sedimentary rocks, conglomerate (Cretaceous)
    Kp	Panoche Formation, clay shale and claystone (Cretaceous)
    Kps	Panoche Formation, sandstone and clay shale (Cretaceous)
    Kpg	Panoche Formation, conglomerate (Cretaceous)
    Kh	Hex Claystone (Cretaceous)
    jo	Jollo Formation of Hall and Corbato (1967), mostly shale (Jurassic(?) and Cretaceous)
    gf	Gravelly Flat Formation, mostly shale (Jurassic(?) and Cretaceous)
    sp	Serpentine and serpentinized preidotite (Jurassic and (or) Cretaceous)
    f	Franciscan rocks of Bailey and others (1964), mixed rocks, undifferentiated, pervasively sheared, mainly sandstone and claystone, includes local lenses of chert, limestone, and glaucophane schist (Jurassic and (or) Cretaceous)
    fg	Franciscan rocks of Bailey and others (1964), greenstone (Jurassic and (or) Cretaceous)
    gr	Granitic rocks (Mesozoic)
    hg	Hornblende quartz gabbro (Mesozoic or older)
    gn	Gneissic rocks (Mesozoic or older)
    
    Entity_and_Attribute_Overview:
    For more information on coverages see both files http://pubs.usgs.gov/of/1999/of99-014/of99-14_2a.txt and the pdf file for geologic descriptions http://pubs.usgs.gov/of/1999/of99-014/of99-14_4b.pdf

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
    • S. E. Graham
    • T. M. Mahony
    • J. L. Blissenbach
    • J. J. Mariant
    • C. M. Wentworth
    • T. W. Dibblee
  2. Who also contributed to the data set?
  3. To whom should users address questions about the data?
    T.W. Dibblee
    1316 Mission St.
    Santa Barbara, CA
    USA


Why was the data set created?

This Open-File Report is a digital geologic map database. The report serves to introduce and describe the digital data. There is no paper map included in the Open-File Report. The report includes PostScript and PDF plot files that can be used to plot images of the geologic map sheet and explanation sheet.

How was the data set created?

  1. From what previous works were the data drawn?
    Dibblee, 1973 (source 1 of 1)
    Dibblee, T. W., 1973, Regional geologic map of San Andreas and related faults in Carrizo Plain, Temblor, Caliente, and La Panza Ranges and vicinity, California: U.S. Geological Survey Miscellaneous Investigations Series Map I-757.

    Type_of_Source_Media: paper
    Source_Scale_Denominator: 125000
    Source_Contribution: This digital database was digitized from this paper map.
  2. How were the data generated, processed, and modified?
    (process 1 of 2)
    DIGTAL COMPILATION: The geologic map information was digitized from a paper copy of the original publication (Dibblee, 1973) at 1:125,000 scale. The map was traced on mylar using a drafting pencil. The mylar was scanned using a monochrome scanner with a resolution of 800 dots per inch. The scanned image was vectorized and transformed from scanner coordinates to State Plane projection coordinates with digital tics placed by hand at latitude/longitude intersections. Transformation into real world coordinates was accomplished by cutting the vectorized scan into 15' quadrangles. The 15' quadrangles were registered, and then reassembled once they had been projected. The scanned lines were edited interactively by hand using graphical user interface ALACARTE (Fitzgibbon, 1991, Fitzgibbon and Wentworth, 1991, Wentworth and Fitzgibbon, 1991). Scanning artifacts significant for display at a scale of 1:125,000 were corrected.
    BASE MAP The 1:125,000-scale topographic base map for the original 1973 published geologic map was specially prepared by mosaicking photographic reproductions of the index contours and selected cultural features of 7-1/2 minute topographic quadrangles (E. E. Brabb, oral communication, 1998). The result was a map that approximated a state-plane projection, especially for 15-minute blocks. A scale-stable clear film of the base was scanned using a monochrome scanner with a resolution of 400 dots per inch. The raster scan was converted to a GRID in ARC/INFO. The GRID was then vectorized and reprojected into State Plane Projection using the latitude/longitude intersections as reference points. Arcs in the digital base layer (czo-topo) are not attributed. The base map is provided for reference and plotting purposes.
    Date: 09-Jul-2009 (process 2 of 2)
    Creation of original metadata record Person who carried out this activity:
    Jennifer Lenz
    US Geological Survey
    12201 Surise Valley Drive, Mail Stop 918
    Reston, VA
    USA

    703-648-6974 (voice)
    703-648-6560 (FAX)
    pschweitzer@usgs.gov
  3. What similar or related data should the user be aware of?

How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?
  2. How accurate are the geographic locations?
  3. How accurate are the heights or depths?
  4. Where are the gaps in the data? What is missing?
    complete
  5. How consistent are the relationships among the observations, including topology?
    This digital map database is prepared from a previously published map by Dibblee (1973).

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?
Access_Constraints: none
Use_Constraints: none
  1. Who distributes the data set? (Distributor 1 of 1)
    USGS Information Services
    Box 25286, Denver Federal Center
    Denver, Colorado
    USA

    1-888-ASK-USGS (voice)
    1-303-202-4695 (FAX)
    infoservices@usgs.gov
  2. What's the catalog number I need to order this data set? USGS Open-File Report 99-14
  3. What legal disclaimers am I supposed to read?
    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 "Regional Geologic Map of San Andreas and Related Faults in Carrizo Plain, Temblor, Caliente and La Panza Ranges and Vicinity, 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.
  4. How can I download or order the data?
    • Availability in digital form:
      Data format:
      ARC/INFO export file	Coverage	Description of coverage
      
      of99-14_3a.e00		czo-geol	Depositional contacts, faults, and unit labels
      of99-14_3b.e00		czo-strc	Fold axes, strike and dip information
      of99-14_3c.e00 	czo-oil         Oil Fields
      of99-14_3d.e00		czo-topo	Topographic base map taken from scan of a photomosaic of USGS 15' topographic quadrangles
      of99-14_3e.e00		czo-srcs	Quadrangle index and sources of geologic mapping
      of99-14_3f.e00		czo-strt	Generalized columnar sections
      of99-14_3g.e00		czo-corr	Correlation of map units
      
      in format ARCE (version 7.x) Size: 23
      Network links: http://pubs.usgs.gov/of/1999/of99-014/of99-14_3h.tar.gz
    • Cost to order the data: none


Who wrote the metadata?

Dates:
Last modified: 05-Feb-2016
Metadata author:
Peter N Schweitzer
USGS Midwest Area
Collection manager, USGS Geoscience Data Clearinghouse, http://geo-nsdi.er.usgs.gov/
Mail Stop 954
12201 Sunrise Valley Dr
Reston, VA
USA

703-648-6533 (voice)
703-648-6252 (FAX)
pschweitzer@usgs.gov
Metadata standard:
Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)

This page is <https://geo-nsdi.er.usgs.gov/metadata/open-file/99-14/metadata.faq.html>
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