Ground-magnetic studies of the Amargosa desert region, California and Nevada

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Metadata:

Identification_Information
Spatial_Data_Organization_Information
Spatial_Reference_Information
Entity_and_Attribute_Information
Distribution_Information
Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator: Blakely, Richard J.
Originator: Hillhouse, John W.
Originator: Morin, Robert L.
Title:

Ground-magnetic studies of the Amargosa desert region, California and Nevada

Publication_Date: 2005
Series_Information:

Series_Name: Open-File Report
Issue_Identification: 2005-1132

Publication_Information:

Publication_Place: Menlo Park, California
Publisher: Geological Survey (U.S.)

Online_Linkage: http://pubs.usgs.gov/of/2005/1132/

Description:

Abstract:

Hand-held magnetometer and sample magnetic susceptibility measurements used to help interpret complex patterns in the magnetic anomaly of this area.

Purpose:

Provide ground-truth information for magnetic anomaly studies designed to determine the cause of low-amplitude aeromagnetic anomalies over Quaternary alluvial deposits in the study area.

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: -116.862633
East_Bounding_Coordinate: -116.272033
North_Bounding_Coordinate: 36.502867
South_Bounding_Coordinate: 36.313817

Keywords:

Theme:

Theme_Keyword_Thesaurus: ISO 19115 Topic Categories
Theme_Keyword: geoscientificInformation

Theme:

Theme_Keyword_Thesaurus: General glossary for mineral resources spatial data
Theme_Keyword: Portable Document Format

Theme:

Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: geophysics
Theme_Keyword: geologic structure
Theme_Keyword: earth material properties
Theme_Keyword: magnetic field (earth)
Theme_Keyword: magnetometer measurement
Theme_Keyword: maps and atlases
Theme_Keyword: geospatial datasets

Place:

Place_Keyword_Thesaurus: Augmented FIPS 10-4 and FIPS 6-4
Place_Keyword: f06027 = Inyo
Place_Keyword: f32023 = Nye

Access_Constraints: none
Use_Constraints: none
Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Richard J Blakely
Contact_Organization: USGS WR SW GD

Contact_Address:

Address_Type: mailing address
Address:

345 Middlefield Road
Mail Stop 989

City: Menlo Park
State_or_Province: CA
Postal_Code: 94025
Country: USA

Contact_Voice_Telephone: 650-329-5316
Contact_Facsimile_Telephone: 650-329-5133
Contact_Electronic_Mail_Address: blakely@usgs.gov

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Point
Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: Entity point
Point_and_Vector_Object_Count: 33

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Geographic:

Geographic_Coordinate_Units: decimal degrees

Geodetic_Model:

Horizontal_Datum_Name: World Geodetic System 1984
Ellipsoid_Name: WGS 84
Semi-major_Axis: 6378137
Denominator_of_Flattening_Ratio: 298.257

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: 2005-1132.dbf
Entity_Type_Definition:

Magnetic susceptibility measurements in the Amargosa Desert region

Attribute:

Attribute_Label: SITE
Attribute_Definition: Site identification
Attribute_Domain_Values:

Unrepresentable_Domain: Textual identifier without substantial scientific significance

Attribute:

Attribute_Label: LATITUDE
Attribute_Definition: Geographic latitude
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 36.3138170
Range_Domain_Maximum: 36.5028670
Attribute_Units_of_Measure: decimal degrees

Attribute:

Attribute_Label: LONGITUDE
Attribute_Definition: Geographic longitude
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -116.8626330
Range_Domain_Maximum: -116.2720330
Attribute_Units_of_Measure: decimal degrees

Attribute:

Attribute_Label: MEAN
Attribute_Definition: Average magnetic susceptibility measurement at the site
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.0050
Range_Domain_Maximum: 1.7300

Attribute:

Attribute_Label: SD
Attribute_Definition:

Standard deviation of magnetic susceptibility measurements at the site

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.0000
Range_Domain_Maximum: 0.7390

Attribute:

Attribute_Label: N
Attribute_Definition: Number of magnetic susceptibility measurements at the site
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 4
Range_Domain_Maximum: 12
Attribute_Units_of_Measure: observations

Attribute:

Attribute_Label: COMMENT
Attribute_Definition: Description of the local rocks at the site
Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Calcareous spring deposit

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value:

Calcite cemented conglomerate; volcanic and metasedimentary clasts (see Fig. 8)

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Calcite crack fillings; iron stained (see Fig. 11)

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Caliche rubble

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Clayey siltstone

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Cobbles on desert pavement

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Dolomite at Devils Hole

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Dried mud

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Fanglomerate cobbles; calcium-carbonate cemented

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Fanglomerate next to calcite-filled cracks

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Fanglomerate; above tuffaceous bed

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Fanglomerate; Furnace Creek Formation

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Fanglomerate; Furnace Creek Formationgraphical

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Fine sandstone, tuffaceous(?), white

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Pebbles on sand

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Pebbly deposit on playa

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Pebbly matrix

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Pebbly surface

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Scraped surface; calcium carbonate deposit

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Siltstone

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Siltstone with calcite nodules

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Siltstone, Furnace Creek Formation

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Siltstone, laminated

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Siltstone, laminated, tuffaceous

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Siltstone, white, resistant

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Siltstone; laminated, green-white

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Siltstone; white and gray

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Siltstone; white and tan

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: White siltstone in road bed

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: USGS Information Services

Contact_Address:

Address_Type: mailing
Address: Box 25286, Denver Federal Center
City: Denver
State_or_Province: Colorado
Postal_Code: 80255-0046
Country: USA

Contact_Voice_Telephone: 1-888-ASK-USGS
Contact_Facsimile_Telephone: 1-303-202-4695
Contact_Electronic_Mail_Address: infoservices@usgs.gov

Resource_Description: USGS Open-File Report 2005-1123
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.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: Shapefile
Format_Version_Number: 1.0
Format_Information_Content: Ground magnetic anomaly station data
File_Decompression_Technique: unzipp

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name: http://pubs.usgs.gov/of/2005/1132/data/2005-1132.zip

Fees: none

Metadata_Reference_Information:

Metadata_Date: 20160610
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

This page is <https://geo-nsdi.er.usgs.gov/metadata/open-file/2005/1132/metadata.html>