Gravity and magnetic surveys over the Santa Rita fault system, southeastern Arizona

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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: Hegmann, Mary
Title:

Gravity and magnetic surveys over the Santa Rita fault system, southeastern Arizona

Publication_Date: 2001
Series_Information:

Series_Name: Open-File Report
Issue_Identification: 01-503

Publication_Information:

Publication_Place: Tucson, Arizona
Publisher: Geological Survey (U.S.)

Online_Linkage: http://pubs.usgs.gov/of/2001/of01-503/

Description:

Abstract:

Gravity station data and hand-held magnetometer measurements with analysis and description of methodology.

Purpose:

Gravity and magnetic surveys were performed in the northeast portion of the Santa Rita Experimental Range, in southeastern Arizona, to identify faults and gain a better understanding of the subsurface geology

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 199710
Ending_Date: 200005

Currentness_Reference: Field measurements made during this time period

Status:

Progress: Complete
Maintenance_and_Update_Frequency: None planned

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -110.855617
East_Bounding_Coordinate: -110.805267
North_Bounding_Coordinate: 31.908967
South_Bounding_Coordinate: 31.876317

Access_Constraints: none
Use_Constraints: none
Keywords:

Place:

Place_Keyword_Thesaurus: Augmented FIPS 10-4 and FIPS 6-4
Place_Keyword: f04019 = Pima

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: geospatial datasets
Theme_Keyword: gravimeter measurement
Theme_Keyword: gravitational field (earth)
Theme_Keyword: magnetic field (earth)
Theme_Keyword: magnetometer measurement

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Mark E Gettings
Contact_Organization: USGS WR SW GD

Contact_Position: Research Geophysicist
Contact_Address:

Address_Type: mailing address
Address: 520 N. Park Avenue
City: Tucson
State_or_Province: AZ
Postal_Code: 85719-5035
Country: USA

Contact_Voice_Telephone: 520-670-5507
Contact_Facsimile_Telephone: 520-670-5571
Contact_Electronic_Mail_Address: mgetting@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: 1056

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Geographic:

Geographic_Coordinate_Units: decimal degrees

Geodetic_Model:

Horizontal_Datum_Name: North American Datum of 1927
Ellipsoid_Name: Clarke 1866
Semi-major_Axis: 6378206.4
Denominator_of_Flattening_Ratio: 294.98

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: gravity.dbf
Entity_Type_Definition: Principal facts for gravity stations, Appendix A of the report

Attribute:

Attribute_Label: STA
Attribute_Definition: Gravity station 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: 31.87631700
Range_Domain_Maximum: 31.90896700
Attribute_Units_of_Measure: decimal degrees

Attribute:

Attribute_Label: LONGITUDE
Attribute_Definition: Geographic longitude
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -110.8556170
Range_Domain_Maximum: -110.8052670
Attribute_Units_of_Measure: decimal degrees

Attribute:

Attribute_Label: ELEV_UNITS
Attribute_Definition: Units of elevation
Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: f
Enumerated_Domain_Value_Definition: feet

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: m
Enumerated_Domain_Value_Definition: meters

Attribute:

Attribute_Label: ELEVATION
Attribute_Definition: Elevation of surface at the site
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 993.930
Range_Domain_Maximum: 3353.000
Attribute_Units_of_Measure: value of ELEV_UNITS

Attribute:

Attribute_Label: OBS_GRAV
Attribute_Definition: Observed gravity
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 979114.150
Range_Domain_Maximum: 979135.270
Attribute_Units_of_Measure: mGal

Attribute:

Attribute_Label: FR_AIR_AN
Attribute_Definition: Free air anomaly
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -36.240
Range_Domain_Maximum: -12.800
Attribute_Units_of_Measure: mGal

Attribute:

Attribute_Label: BOUG_SIMP
Attribute_Definition: Simple Bouguer anomaly
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -149.440
Range_Domain_Maximum: -137.040
Attribute_Units_of_Measure: mGal

Attribute:

Attribute_Label: BOUG_COMPL
Attribute_Definition: Complete Bouguer anomaly
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -149.700
Range_Domain_Maximum: -137.060
Attribute_Units_of_Measure: mGal

Attribute:

Attribute_Label: IZT_CORR
Attribute_Definition: Inner terrain correction
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.000
Range_Domain_Maximum: 0.130

Attribute:

Attribute_Label: TOT_CORR
Attribute_Definition: Total terrain correction
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.730
Range_Domain_Maximum: 1.550

Attribute:

Attribute_Label: UNCER_CBGA
Attribute_Definition: Uncertainty in the complete Bouguer anomaly
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.150
Range_Domain_Maximum: 1.020
Attribute_Units_of_Measure: mGal

Detailed_Description:

Entity_Type:

Entity_Type_Label: magnetic.dbf
Entity_Type_Definition: Handheld magnetometer measurements, Appendix B of the report

Attribute:

Attribute_Label: STATION
Attribute_Definition: Unique identifier for the measurement station
Attribute_Domain_Values:

Unrepresentable_Domain: Textual identifier without substantial scientific significance

Attribute:

Attribute_Label: EASTING_M
Attribute_Definition: East-west coordinate in UTM zone 12N, NAD27
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 515345.20
Range_Domain_Maximum: 518425.90
Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: NORTHING_M
Attribute_Definition: North-south coordinate in UTM zone 12N, NAD27
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 3528497.60
Range_Domain_Maximum: 3530169.90
Attribute_Units_of_Measure: meters

Attribute:

Attribute_Label: AVE_NT
Attribute_Definition: Reading average
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 48588.10
Range_Domain_Maximum: 48945.20
Attribute_Units_of_Measure: nanoTeslas

Attribute:

Attribute_Label: CORR_SRA01
Attribute_Definition: Reading corrected for diurnal variation to base station sra-01
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.00
Range_Domain_Maximum: 48943.20
Attribute_Units_of_Measure: nanoTeslas

Attribute:

Attribute_Label: IGRF_NT
Attribute_Definition: IGRF reference field value
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 48949.40
Range_Domain_Maximum: 48956.30
Attribute_Units_of_Measure: nanoTeslas

Attribute:

Attribute_Label: CORR_IGRF
Attribute_Definition: Anomaly calculated with respect to IGRF value
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -365.20
Range_Domain_Maximum: -8.00
Attribute_Units_of_Measure: nanoTeslas

Attribute:

Attribute_Label: COMMENTS
Attribute_Definition: Additional information about the station
Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: 5m from fence

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: 7m from steel post

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: <25m from fence

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: sra-17

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: srb-0

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: src-54

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: sre-0

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: parallel to fence, ~10m to S

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: Primary base

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 01-503
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: Principal facts for gravity at each station
File_Decompression_Technique: unzip

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name:

http://pubs.usgs.gov/of/2001/of01-503/data/of01-503_shapefiles.zip

Fees: none

Metadata_Reference_Information:

Metadata_Date: 20160614
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/01-503/metadata.html>