Geology and geomorphology--Offshore of Fort Ross Map Area, California

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: S.Y. Johnson
Originator: S.R. Hartwell
Originator: M.W. Manson
Publication_Date: 2014
Title:
Geology and geomorphology--Offshore of Fort Ross Map Area, California
Geospatial_Data_Presentation_Form: vector digital data
Larger_Work_Citation:
Citation_Information:
Originator: Samuel Y. Johnson
Originator: Peter Dartnell
Originator: Nadine E. Golden
Originator: Stephan R. Hartwell
Originator: H. Gary Greene
Originator: Mercedes D. Erdey
Originator: Guy R. Cochrane
Originator: Janet L. Watt
Originator: Rikk G. Kvitek
Originator: Michael W. Manson
Originator: Charles A. Endris
Originator: Bryan E. Dieter
Originator: Lisa M. Krigsman
Originator: Ray W. Sliter
Originator: Erik N. Lowe
Originator: John L. Chin
Publication_Date: 2015
Title:
California State Waters Map Series—Offshore of Fort Ross, California
Geospatial_Data_Presentation_Form: map
Series_Information:
Series_Name: Open-File Report
Issue_Identification: OFR 2015–1211
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://dx.doi.org/10.3133/ofr20151211
Larger_Work_Citation:
Citation_Information:
Originator: Nadine E. Golden
Publication_Date: 2014
Title: California State Waters Map Series Data Catalog
Geospatial_Data_Presentation_Form: database
Series_Information:
Series_Name: Data Series
Issue_Identification: DS 781
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://pubs.usgs.gov/ds/781/
Online_Linkage:
https://www.sciencebase.gov/arcgis/rest/services/Catalog/555cdb07e4b0a92fa7eb81c5/MapServer
Online_Linkage:
https://www.sciencebase.gov/arcgis/services/Catalog/555cdb07e4b0a92fa7eb81c5/MapServer/WMSServer?request=GetCapabilities&service=WMS

Description:
Abstract:
This part of DS 781 presents data for the geologic and geomorphic map of the Offshore of Fort Ross map area, California. The vector data file is included in "Geology_OffshoreFortRoss.zip," which is accessible from https://pubs.usgs.gov/ds/781/OffshoreFortRoss/data_catalog_OffshoreFortRoss.html.

The morphology and the geology of the offshore part of the Offshore of Fort Ross map area result from the interplay between local sedimentary processes, oceanography, sea-level rise, and tectonics. The nearshore seafloor in the northern half of the map area is characterized by rocky outcrops of Tertiary sedimentary rocks (units Tgr and Tsm). This rugged nearshore zone and the inner shelf (to water depths of about 50 m) typically dip seaward about 1.5 to 2.5 degrees, whereas the mid-shelf within State Waters (about 50 to 85 m) dips more gently, about 0.4 degrees. In contrast, the nearshore to mid shelf in the southern half of the map area lies directly offshore of the mouth of the Russian River and has a more gentle, uniform dip, about 0.45 to 0.55 degrees, out to water depths of about 70 m at the outer limit of State Waters. A significant amount of the Russian River sediment load, estimated at about 900,000 metric tons/yr by Farnsworth and Warrick (2007) is deposited offshore of the river mouth, contributing to the noted north-to-south contrast in bathymetric slope. On a larger geomorphic scale, sea level has risen about 125 to 130 m over about the last 21,000 years (for example, Lambeck and Chappell, 2001; Peltier and Fairbanks, 2005), leading to broadening of the continental shelf, progressive eastward migration of the shoreline and wave-cut platform, and associated transgressive erosion and deposition. Tectonic influences impacting shelf geomorphology and geology are primarily related to the active San Andreas Fault system (see below).

Given exposure to high wave energy, modern nearshore to inner-shelf sediments north of the mouth of the Russian River are mostly sand (unit Qms) and a mix of sand, gravel, and cobbles (units Qmsc and Qmsd). The more coarse-grained sands and gravels (units Qmsc and Qmsd) are primarily recognized on the basis of bathymetry and high backscatter. Both Qmsc and Qmsd typically have abrupt landward contacts with bedrock (units Tgr, Tsm, Tkfs, fsr) and form irregular to lenticular exposures that are commonly elongate in the shore-normal direction. Contacts between units Qmsc and Qms are typically gradational. Unit Qmsd forms erosional lags in scoured depressions that are bounded by relatively sharp and less commonly diffuse contacts with unit Qms horizontal sand sheets. These depressions are typically a few tens of centimeters deep and range in size from a few 10's of sq m to more than one sq km.

Similar Qmsd scour depressions are common along this stretch of the California coast (see, for example, Cacchione and others, 1984; Hallenbeck and others, 2012) where surficial offshore sandy sediment is relatively thin (thus unable to fill the depressions) due to both lack of sediment supply and to erosion and transport of sediment during large northwest winter swells. Such features have been referred to as "rippled-scour depressions" (see, for example, Cacchione and others, 1984) or "sorted bedforms" (see, for example, Goff and others, 2005; Trembanis and Hume, 2011). Although the general areas in which both Qmsd scour depressions and surrounding mobile sand sheets occur are not likely to change substantially, the boundaries of the individual Qmsd depressions are likely ephemeral, changing seasonally and during significant storm events.

Unit Qmsf lies offshore of unit Qms, and consists primarily of mud and muddy sand and is commonly extensively bioturbated. The water depth of the transition from sand-dominated marine sediment (unit Qms) to mud-dominated marine sediment (Qmsf) increases from about 45 to 50 m directly offshore of the mouth of the Russian River to as much as about 60 m adjacent to the rocky outcrops along the northern map boundary. This change is clearly related to the large amount of fine sediment load carried by the Russian River, which feeds a widespread, mid-shelf, mud belt that extends along the mid-shelf from Point Arena to Point Reyes (Klise, 1983; Drake and Cacchione, 1985; Demirpolat, 1991).

Map unit polygons were digitized over underlying 2-meter base layers developed from multibeam bathymetry and backscatter data (see Bathymetry--Offshore Fort Ross, California and Backscattter A to C--Offshore Fort Ross, California, DS 781, for more information). The bathymetry and backscatter data were collected between 2006 and 2009.

References Cited

Cacchione, D.A., Drake, D.E., Grant, W.D., and Tate, G.B., 1984, Rippled scour depressions of the inner continental shelf off central California: Journal of Sedimentary Petrology, v. 54, p. 1,280-1,291.

Demirpolat, S., 1991, Surface and near-surface sediments from the continental shelf off the Russian River, northern California: Marine Geology, v. 99, p. 163-173.

Drake, D.E., and Cacchione, D.A., 1985, Seasonal variation in sediment transport on the Russian River shelf, California: Continental Shelf Research, v. 14, p. 495-514.

Farnsworth, K.L., and Warrick, J.A., 2007, Sources, dispersal, and fate of fine sediment supplied to coastal California: U.S. Geological Survey Scientific Investigations Report 2007-5254, 77 p.

Goff, J.A., Mayer, L.A., Traykovski, P., Buynevich, I., Wilkens, R., Raymond, R., Glang, G., Evans, R.L., Olson, H., and Jenkins, C., 2005, Detailed investigations of sorted bedforms or "rippled scour depressions", within the Martha’s Vineyard Coastal Observatory, Massachusetts: Continental Shelf Research, v. 25, p. 461-484.

Hallenbeck, T.R., Kvitek, R.G., and Lindholm, J., 2012, Rippled scour depressions add ecologically significant heterogeneity to soft-bottom habitats on the continental shelf: Marine Ecology Progress Series, v. 468, p. 119-133.

Klise, D.H., 1983, Modern sedimentation on the California continental margin adjacent to the Russian River: M.S. thesis, San Jose State University, 120 p.

Lambeck, K., and Chappell, J., 2001, Sea level change through the last glacial cycle: Science, v. 292, p. 679-686, doi: 10.1126/science.1059549.

Peltier, W.R., and Fairbanks, R.G., 2005, Global glacial ice volume and Last Glacial Maximum duration from an extended Barbados sea level record: Quaternary Science Reviews, v. 25, p. 3,322-3,337.

Trembanis, A.C., and Hume, T.M., 2011, Sorted bedforms on the inner shelf off northeastern New Zealand-Spatiotemporal relationships and potential paleo-environmental implications: Geo-Marine Letters, v. 31, p. 203-214.
Purpose:
To expand geologic mapping to the seafloor within the California's State Waters, to update coastal geologic mapping, and to contribute to a uniform regional geologic database, which can be used geographic information systems. Additionally, to provide a geologic map for the public and geoscience community to aid in assessments and mitigation of geologic hazards in the Fort Ross coastal region and to provide sufficient geologic information for land-use and land-management decisions both onshore and offshore. This information is not intended for navigational purposes.
Supplemental_Information:

Map political location: San Mateo County, California Compilation scale: 1:24,000 Base maps used are hillshades generated from IfSAR, LiDAR, and multibeam mapping both onshore and offshore (see Bathymetry--Offshore of Fort Ross Map Area, California).
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 2006
Ending_Date: 2009
Currentness_Reference: ground condition

Status:
Progress: Complete
Maintenance_and_Update_Frequency: none planned

Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -123.31
East_Bounding_Coordinate: -123.10
North_Bounding_Coordinate: 38.56
South_Bounding_Coordinate: 38.40

Keywords:
Theme:
Theme_Keyword_Thesaurus: Global Change Master Directory (GCMD)
Theme_Keyword: Oceans > Bathymetry/SeafloorTopography > Bathymetry
Theme_Keyword: Oceans > Bathymetry/SeafloorTopography > Seafloor Topography
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: geoscientificInformation
Theme_Keyword: environment
Theme_Keyword: oceans
Theme_Keyword: imageryBaseMapsEarthCover
Place:
Place_Keyword_Thesaurus: Geographic Names Information System (GNIS)
Place_Keyword: Pacific Ocean
Place_Keyword: State of California
Place_Keyword: Fort Ross
Place_Keyword: Jenner
Place_Keyword: Russian River
Access_Constraints:
If physical samples or materials are available, constraints on their on-site access are described in "WR CMG Sample Distribution Policy" at URL: http://walrus.wr.usgs.gov/infobank/programs/html/main/sample-dist-policy.html
Use_Constraints:
This information is not intended for navigational purposes.
Read and fully comprehend the metadata prior to data use. Uses of these data should not violate the spatial resolution of the data. Where these data are used in combination with other data of different resolution, the resolution of the combined output will be limited by the lowest resolution of all the data.
Acknowledge the U.S. Geological Survey in products derived from these data. Share data products developed using these data with the U.S. Geological Survey.
This 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.
Although this Federal Geographic Data Committee-compliant metadata file is intended to document these data in nonproprietary form, as well as in ArcInfo format, this metadata file may include some ArcInfo-specific terminology.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: USGS Pacific Coastal and Marine Science Center
Contact_Person: Stephen Hartwell
Contact_Position: Geologist
Contact_Address:
Address_Type: physical address
Address: 400 Natural Bridges Drive
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060
Country: USA
Contact_Voice_Telephone: (831) 460-7814
Contact_Facsimile_Telephone: (831) 427-4748
Contact_Electronic_Mail_Address: shartwell@usgs.gov

Native_Data_Set_Environment:
Microsoft Windows Server 2008 R2 Version 6.1 (Build 7601) Service Pack 1; ESRI ArcGIS 10.0.0.2414

Browse_Graphic:
Browse_Graphic_File_Name:
<https://pubs.usgs.gov/ds/781/OffshoreFortRoss/images/Geology_OffshoreFortRoss.jpg>
Browse_Graphic_File_Description: Geology offshore Fort Ross.
Browse_Graphic_File_Type: JPEG

Data_Quality_Information:
Logical_Consistency_Report:
Map elements were visually checked for overshoots, undershoots, duplicate features, polygon closure, and other errors by the lead authors and by the GIS technician(s) who created the digital database. Review drafts of the map were reviewed internally by at least two other geologists for consistency with basic geologic principles and general conformity to USGS mapping standards.
Completeness_Report:
Data are complete: no offshore features that could be accurately identified and represented at the compilation scale of 1:24,000 were eliminated or generalized. The smallest area represented is approximately 100 square meters. All geospatial database elements are attributed.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Polygons were primarily mapped by one of the following methods: (1) interpretation of 2-meter-resolution hillshaded bathymetry data from bathymetric lidar and sonar surveys (see Bathymetry--Offshore of Fort Ross Map Area, California); (2) interpretation of 2-meter-resolution amplitude (backscatter) data from bathymetric sonar surveys (see Backscatter--Offshore of Fort Ross Map Area, California); (3) interpretation of 2-meter interpretation of seismic-reflection-profile data (see field activity S-8-09-NC).
Map Unit contact locations were interpreted typically at a scale of between 1:1,000 and 1:2,000 using the above base data. Bathymetric sonar and LiDAR data have a horizontal accuracy greater than the resolution of the base data.
Map unit contacts were digitized by heads-up screen digitization of line data on 2-meter-resolution DEMs described above. Horizontal accuracy is estimated to be between 2 and 5 meters depending on how clearly contacts can be resolved.
Most digitized positions on the map are estimated to have better than 5 m horizontal accuracy. There is no elevation data in the database.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: Carrie K. Bretz
Originator: Rikk G. Kvitek
Originator: Peter Dartnell
Originator: Eleyne L. Phillips
Publication_Date: 2014
Title: Bathymetry--Offshore of Fort Ross Map Area, California
Geospatial_Data_Presentation_Form: raster digital data
Series_Information:
Series_Name: Scientific Data Series
Issue_Identification: DS 781
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Other_Citation_Details:
See metadata for bathymetry ("Bathymetry_OffshoreFortRoss_metadata.txt") in DS 781 for source data and postprocessing/reprocessing information.
Online_Linkage:
https://pubs.usgs.gov/ds/781/OffshoreFortRoss/metadata/Bathymetry_OffshoreFortRoss_metadata.txt
Type_of_Source_Media: digital file of gridded bathymetry data (ArcInfo GRID)
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 2006
Ending_Date: 2009
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation: Bathymetry--Offshore of Fort Ross
Source_Contribution: Gridded bathymetry data (2-meter resolution).

Source_Information:
Source_Citation:
Citation_Information:
Originator: Carrie K. Bretz
Originator: Rikk G. Kvitek
Originator: Peter Dartnell
Originator: Eleyne L. Phillips
Publication_Date: 2014
Title: Backscatter--Offshore of Fort Ross Map Area, California
Geospatial_Data_Presentation_Form: raster digital data
Series_Information:
Series_Name: Scientific Data Series
Issue_Identification: DS 781
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Other_Citation_Details:
See metadata for Backscatter ("BackscatterA_8101_OffshoreFortRoss_metadata.txt", "BackscatterB_7125_OffshoreFortRoss_metadata.txt", and "BackscatterC_Swath_OffshoreFortRoss_metadata.txt") in DS 781 for amplitude source data and postprocessing/reprocessing information.
Online_Linkage:
https://pubs.usgs.gov/ds/781/OffshoreFortRoss/metadata/BackscatterA_8101_OffshoreFortRoss_metadata.txt
Online_Linkage:
https://pubs.usgs.gov/ds/781/OffshoreFortRoss/metadata/BackscatterB_7125_OffshoreFortRoss_metadata.txt
Online_Linkage:
https://pubs.usgs.gov/ds/781/OffshoreFortRoss/metadata/BackscatterC_Swath_OffshoreFortRoss_metadata.txt

Type_of_Source_Media: digital file of gridded amplitude data (ArcInfo GRID)
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 2006
Ending_Date: 2007
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation: Backscatter--Offshore of Fort Ross
Source_Contribution: Gridded amplitude data (2-meter resolution).

Source_Information:
Source_Citation:
Citation_Information:
Originator:
U.S. Geological Survey (USGS) , Coastal and Marine Geology Program (CMGP)
Publication_Date: 2013
Title:
Subbottom survey data of field activity S-8-09-NC in Stinson Beach to Point Arena (CA) from 09/08/2009 to 09/30/2009
Publication_Information:
Publication_Place: Menlo Park, CA
Publisher:
U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG)
Online_Linkage: http://walrus.wr.usgs.gov/infobank/gos/s-8-09-nc.fmeta.xml
Online_Linkage:
http://walrus.wr.usgs.gov/infobank/s/s809nc/html/s-8-09-nc.meta.html
Type_of_Source_Media: ASCII lat/long shot point files
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20090908
Ending_Date: 20090930
Source_Currentness_Reference: ground condition
Source_Citation_Abbreviation: S-8-09-NC
Source_Contribution:
Digital seismic data used to interpret subsurface geologic structure

Process_Step:
Process_Description:
Faults were mapped onto shot lines based on the latitude and longitude of seismic picks from field activity S-8-09-NC.
Process_Date: 2013

Process_Step:
Process_Description:
Map unit polygons were digitized over underlying 2-meter base layers developed from multibeam bathymetry and backscatter data. Derivatives such as slope and curvature were generated from source rasters. Interpreted rasters include amplitude, hillshaded bathymetry (using various illumination angles and vertical exaggeration), slope, and curvature. Curvature was decomposed into profile and plan curvature for analysis purposes.
Process_Date: 2012

Process_Step:
Process_Description:
The mapped area was extended to the shoreline by using digital orthophotos to interpret the region between the inner edge of the multibeam bathymetry and the approximate shoreline. The approximate shoreline was generated at the NAVD88 +1.46 m contour, defined as the operational MHW shoreline by Weber and others (2005). The resulting boundary was transformed to WGS 84 UTM Zone 10 North in ArcGIS 10 using the NAD83 to WGS84 (ITRF00) transformation algorithm. This boundary was then used to extend and trim both onshore and offshore geology in the print and PDF product. The transformed boundary is contained within the WGS84 "contours" feature class and identified as a water boundary in the associated representation rules.
References Cited:

Blake, M.C., Jr., Graymer, R.W., and Stamski, R.E., 2002, Geologic map and map database of western Sonoma, northernmost Marin, and southernmost Mendocino counties, California: U.S. Geological Survey Miscellaneous Field Studies Map 2402, scale 1:100,000.

California Geological Survey, 1974, Alquist-Priolo Earthquake Fault Zone Maps of Arched Rock, Fort Ross and Plantation quadrangles, scale 1:24,000.

Huffman, M.E., 1972, Geology for planning on the Sonoma County coast between the Russian and Gualala Rivers: California Division of Mines and Geology Preliminary Report 16, 38 p., 4 plates, scale 1:24,000.

Klise, D.H., 1983, Modern sedimentation on the California continental margin adjacent to the Russian River: M.S. thesis, San Jose State University, 120 p.

Manson, M.W., Huyette, C.M., Wills, C.J., Huffman, M.E., Smelser, M.G., Fuller, M.E., Domrose, C., and Gutierrez, C., 2006, Landslides in the Highway 1 corridor between Bodega Bay and Fort Ross, Sonoma County, California: California Geological Survey Special Report 196, 26 p., 2 plates, 38 maps, scale 1:12,000.

Wagner, D.L., and Gutierrez, C.I., 2010, Preliminary Geologic Map of the Napa 30’ x 60’ Quadrangle, California: California Geological Survey, scale 1:100,000.

Wagner and Gutierrez, in press, Preliminary Geologic Map of the Bodega Bay 30’ x 60’ Quadrangle, California: California Geological Survey, scale 1:100,000.

Weber, K.M., List, J.H., and Morgan, K.L., 2005, An operational Mean High Water datum for determination of shoreline position from topographic lidar data: U.S. Geological Survey Open-File Report 2005-1027, accessed April 5, 2011, at https://pubs.usgs.gov/of/2005/1027/.

Witter, R.C., Knudsen, K.L., Sowers, J.M., Wentworth, C.M., Koehler, R.D., Randolph, C.E., Brooks, S.K., and Gans, K.D., 2006, Maps of Quaternary Deposits and Liquefaction Susceptibility in the Central San Francisco Bay Region, California, U.S. Geological Survey Open-File Report 06-1037, scale 1:24,000.
Process_Date: 2013

Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains
Point_and_Vector_Object_Count: 322

Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Map_Projection:
Map_Projection_Name: WGS 1984 UTM Zone 10N
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.9996
Longitude_of_Central_Meridian: -123.0
Latitude_of_Projection_Origin: 0.0
False_Easting: 500000.0
False_Northing: 0.0
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 0.0001
Ordinate_Resolution: 0.0001
Planar_Distance_Units: Meter
Geodetic_Model:
Horizontal_Datum_Name: D WGS 1984
Ellipsoid_Name: WGS 1984
Semi-major_Axis: 6378137.0
Denominator_of_Flattening_Ratio: 298.257223563

Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: MapUnitPolys
Entity_Type_Definition: Polygons representing geologic / geomorphic map units
Entity_Type_Definition_Source: This report
Attribute:
Attribute_Label: FID
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: Shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: MapUnitAbb
Attribute_Definition: Map Unit abbreviation
Attribute_Definition_Source: This report
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Qms
Enumerated_Domain_Value_Definition: Marine nearshore and shelf deposits
Enumerated_Domain_Value_Definition_Source: This report
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Qmsd
Enumerated_Domain_Value_Definition: Marine shelf scour depressions
Enumerated_Domain_Value_Definition_Source: This report
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Qmsc
Enumerated_Domain_Value_Definition: Coarse-grained marine nearshore and shelf deposits
Enumerated_Domain_Value_Definition_Source: This report
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Qmsf
Enumerated_Domain_Value_Definition: Fine-grained marine shelf deposits
Enumerated_Domain_Value_Definition_Source: This report
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Qmsl
Enumerated_Domain_Value_Definition: Marine mid-shelf sediment lobes
Enumerated_Domain_Value_Definition_Source: This report
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Tsm
Enumerated_Domain_Value_Definition: Sandstone and mudstone of the Fort Ross area
Enumerated_Domain_Value_Definition_Source: This report
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Tgr
Enumerated_Domain_Value_Definition: German Rancho Formation
Enumerated_Domain_Value_Definition_Source: This report
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: TKfs
Enumerated_Domain_Value_Definition:
Franciscan Complex, sandstone within the Coastal or Central belt
Enumerated_Domain_Value_Definition_Source: This report
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: fsr
Enumerated_Domain_Value_Definition: Franciscan Complex, mélange in Central belt
Enumerated_Domain_Value_Definition_Source: This report
Attribute:
Attribute_Label: Shape_Area
Attribute_Definition: Area of feature in internal units squared.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Positive real numbers that are automatically generated.
Metadata_Reference_Information:
Metadata_Date: 2013
Metadata_Review_Date: 20140922
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey, Coastal and Marine Geology Program
Contact_Person: Stephen R. Hartwell
Contact_Address:
Address_Type: mailing and physical address
Address: 400 Natural Bridges Drive
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060-5792
Country: US
Contact_Voice_Telephone: 831-460-7814
Contact_Facsimile_Telephone: 831-427-4748
Contact_Electronic_Mail_Address: shartwell@usgs.gov
Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Generated by mp version 2.9.32 on Mon Nov 23 10:10:43 2015