Identification_Information:
Citation:
Citation_Information:
Originator: Stephen C. Wolf
Originator: Christina E. Gutmacher
Publication_Date: 2004
Title:
Geologic and bathymetric reconnaissance overview of the
San Pedro shelf region, southern California
Edition: Version 1.0, May 2004
Geospatial_Data_Presentation_Form: map
Series_Information:
Series_Name: USGS Open-File Report
Issue_Identification: USGS OF 2004-1049
Publication_Information:
Publication_Place: Menlo Park, California
Publisher: U.S. Geological Survey
Other_Citation_Details:
Seven oversized sheets with maps at
various scales.
Online_Linkage:
Description:
Abstract:
This report presents a series of maps that describe the
bathymetry and late Quaternary geology of the San Pedro shelf
area as interpreted from seismic-reflection profiles and 3.5-kHz
and multibeam bathymetric data. Some of the seismic-reflection profiles
were collected with Uniboom and 120-kJ sparker during surveys conducted
by the U.S. Geological Survey (USGS) in 1973 (K-2-73-SC), 1978
(S-2-78-SC), and 1979 (S-2a-79-SC). The remaining seismic-reflection
profiles were collected in 2000 using Geopulse boomer and minisparker
during USGS cruise A-1-00-SC. The report consists of seven oversized
sheets:
1. Map of 1978 and 1979 uniboom seismic-reflection and 3.5-kHz
tracklines used to map faults and folds on San Pedro Shelf.
2. Maps of multibeam shaded bathymetric relief with faults and folds,
and bathymetric contours.
3. Isopach map of unconsolidated sediment, seismic-reflection
profile across the San Pedro shelf, seismic-reflection profile
across San Gabriel paleo-valley.
4. Seismic-reflection profiles across the Palos Verdes Fault Zone.
5. Geologic map and samples of Uniboom and 120-kJ sparker
seismic-reflection profiles used to make the map.
6. Map showing thickness of uppermost (Holocene?) sediment layer.
7. Map of San Gabriel Canyon paleo-valley and associated
drainage basins.
Purpose:
These data are intended for science researchers, students, policy
makers, and the general public.
Supplemental_Information:
Additional information about the field activities K-2-73-SC, S-2-78-SC,
S-2a-79-SC and A-1-00-SC from which this data set was derived are
available online at
;
;
;
and
.
Any use of trade, product, or firm names is for descriptive purposes
only and does not imply endorsement by the U.S. Government.
Although this Federal Geographic Data Committee-compliant metadata
file is intended to document the data set in nonproprietary form,
as well as in ArcInfo format, this metadata file may include some
ArcInfo-specific terminology.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 2002
Currentness_Reference: Ground Condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None Planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -118.33333
East_Bounding_Coordinate: -117.83333
North_Bounding_Coordinate: 33.78333
South_Bounding_Coordinate: 33.46667
Keywords:
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: sediment isopach
Theme_Keyword: paleo-valley
Theme_Keyword: erosional surface
Theme_Keyword: Uniboom
Theme_Keyword: Geopulse
Theme_Keyword: 120-kJ sparker
Theme_Keyword: minisparker
Theme_Keyword: 3.5-kHz bathymetry
Theme_Keyword: multibeam bathymetry
Theme_Keyword: sedimentary basin
Theme:
Theme_Keyword_Thesaurus:
NASA/Global Change Master Directory
(GCMD) Earth Science Keywords. Version 4.2.2
Theme_Keyword: bathymetry
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: Palos Verdes Fault Zone
Place_Keyword: Cabrillo Fault
Place_Keyword: San Pedro shelf
Place_Keyword: Los Angeles River
Place_Keyword: San Pedro Sea Valley
Place:
Place_Keyword_Thesaurus:
Geographic Names Information System
(GNIS), USGS, Reston, VA
Place_Keyword: Long Beach, California
Place_Keyword: Newport Beach, California
Place_Keyword: San Pedro Escarpment
Place_Keyword: San Pedro, California
Place_Keyword: Huntington Beach, California
Place_Keyword: Santa Ana River
Place_Keyword: Sunset Bay
Place_Keyword: San Gabriel River
Place_Keyword: San Gabriel Canyon
Temporal:
Temporal_Keyword_Thesaurus: None
Temporal_Keyword: Holocene
Temporal_Keyword: Quaternary
Access_Constraints: None
Use_Constraints:
The map dimensions may have been distorted in
conversion to these graphics.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Christina Gutmacher
Contact_Organization:
United States Geological Survey (USGS)
Coastal and Marine Geology (CMG)
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: USGS, MailStop 999, 345 Middlefield Road
City: Menlo Park
State_or_Province: CA
Postal_Code: 94025-3561
Country: USA
Contact_Voice_Telephone: (650) 329-5309
Contact_Facsimile_Telephone: (650) 329-5190
Contact_Electronic_Mail_Address: cgutmacher@usgs.gov
Native_Data_Set_Environment: Adobe Illustrator
Browse_Graphic:
Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2004/1049/images/minimap.jpg
Browse_Graphic_File_Description: preview image of report
Browse_Graphic_File_Type: gif or jpg
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report: Not evaluated.
Logical_Consistency_Report:
Observations mean the same thing
throughout this report.
Completeness_Report: Data are complete.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report: Not evaluated.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: Gardner, James V.
Originator: Dartnell, Peter
Title: Multibeam mapping of the Los Angeles, California, margin
Publication_Date: 2002
Series_Information:
Series_Name: U.S. Geological Survey Open-file Report
Issue_Identification: 02-162
Online_Linkage: http://geopubs.wr.usgs.gov/open-file/of02-162/
Type_of_Source_Media: map
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 2002
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: Gardner and Dartnell (2002)
Source_Contribution: bathymetry data and shaded-relief imagery
Source_Information:
Source_Citation:
Citation_Information:
Originator: Jennings, C.W. (compiler)
Title: Geologic Map of California, Long Beach sheet
Publication_Date: 1962
Series_Information:
Series_Name: Geologic Atlas of California
Issue_Identification: Long Beach sheet
Source_Scale_Denominator: 250000
Type_of_Source_Media: paper
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 1962
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: Jennings (1962)
Source_Contribution:
Cabrillo Fault and onshore part of Palos
Verdes Fault, offshore bedrock sample locations and ages
Process_Step:
Process_Description:
Shaded relief and bathymetric contours extracted from early
Version of Gardner and Dartnell (2002); faults traced from
Jennings (1962). All exported to Adobe Illustrator. Michael Hamer.
Process_Date: 2000
Process_Step:
Process_Description:
Seismic-reflection profiles interpreted, sediment isopachs constructed,
other geologic structures mapped in Adobe Illustrator. Stephen Wolf.
Process_Date: 2000
Process_Step:
Process_Description:
Smooth Gardner and Dartnell (2002) bathymetry for use in open file
maps. Florence Wong.
Process_Date: 2003
Process_Step:
Process_Description: Assist in editing per reviewer's comments. Christina Gutmacher.
Process_Date: 2003
Process_Step:
Process_Description:
First draft of metadata created by Florence Wong using
FGDCMETA.AML ver. 1.35 08/02/2000 on ArcInfo data set
/we5/florence/socalmin/covswolf/box
Process_Date: 20030812
Process_Step:
Process_Description:
Corrected metadata format and browse graphic link. Florence Wong
Process_Date: 20060504
Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: String
Point_and_Vector_Object_Count: 1
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name: Universal Transverse Mercator
Universal_Transverse_Mercator:
UTM_Zone_Number: 11
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.9996
Longitude_of_Central_Meridian: -117.0
Latitude_of_Projection_Origin: 0.0
False_Easting: 500000
False_Northing: 0
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 5.702245332676
Ordinate_Resolution: 5.702245332676
Planar_Distance_Units: Meters
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: GRS1980
Semi-major_Axis: 6378206.4
Denominator_of_Flattening_Ratio: 294.98
Entity_and_Attribute_Information:
Overview_Description:
Entity_and_Attribute_Overview:
Sediment thickness expressed as isopachs in meters. Outlines of drainage
basins, axes of feeder channels as vectors. Folds and faults identified
in seismic-reflection profiles as vectors.
Entity_and_Attribute_Detail_Citation: none
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
United States Geological Survey (USGS)
Coastal and Marine Geology (CMG)
Contact_Person: Christina Gutmacher
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: USGS, MailStop 999, 345 Middlefield Road
City: Menlo Park
State_or_Province: CA
Postal_Code: 94025-3561
Country: USA
Contact_Voice_Telephone: (650) 329-5309
Contact_Facsimile_Telephone: (650) 329-5190
Contact_Electronic_Mail_Address: cgutmacher@usgs.gov
Resource_Description: U.S. Geological Survey Open-File Report 2004-1049.
Distribution_Liability:
Please recognize the U.S. Geological Survey (USGS) as the source of
this information.
Although these data have been used by the U.S. Geological Survey,
U.S. Department of the Interior, no warranty expressed or implied
is made by the U.S. Geological Survey as to the accuracy of the
data.
The act of distribution shall not constitute any such warranty,
and no responsibility is assumed by the U.S. Geological Survey in
the use of this data, software, or related materials.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: unspecified
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
URL
Fees: No charge.
Ordering_Instructions:
Download from URL
.
Metadata_Reference_Information:
Metadata_Date: 20060504
Metadata_Review_Date: 200405
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
United States Geological Survey (USGS)
Coastal and Marine Geology (CMG)
Contact_Person: Florence L. Wong
Contact_Position: Geologist, GIS Coordinator
Contact_Address:
Address_Type: mailing and physical address
Address: USGS, MailStop 999, 345 Middlefield Road
City: Menlo Park
State_or_Province: CA
Postal_Code: 94025-3561
Country: USA
Contact_Voice_Telephone: (650) 329-5327
Contact_Facsimile_Telephone: (650) 329-5190
Contact_Electronic_Mail_Address: fwong@usgs.gov
Metadata_Standard_Name:
FGDC Content Standards for Digital
Geospatial Metadata ("CSDGM version 2")
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Access_Constraints: none
Metadata_Use_Constraints: none