IDENTIFICATION_INFORMATION
Citation: Citation_Information: Originator: Mark Coolbaugh, GBCGE Publication_Date: Title: Nbmgiso (Basement Isostatic Residual Gravity Field for Nevada) Edition: 1 Geospatial_Data_Presentation_Form: Map Publication_Information: Publication_Place: Reno, NV Publisher: Great Basin Center for Geothermal Energy Other_Citation_Details: Grid was converted from a shapefile obtained from the Nevada Bureau of Mines and Geology at http: HTTP://www.nbmg.unr.edu/dox/ofr962/index.htm Online_Linkage: HTTP://www.unr.edu/Geothermal/ Larger_Work_Citation: Citation_Information: Originator: Publication_Date: Title: Publication_Information: Publication_Place: Publisher: Online_Linkage: Description: Abstract: This field was calculated by estimating the effect caused by variations in thickness of Cenozoic deposits on the observed isostatic residual gravity field, then removing it to derive a basement isostatic residual gravity field. Purpose: For geologic, mineral, or geothermal exploration Supplemental_Information: ESRI real number GRID format, cell size 500 m, 1548 rows, 1046 columns For details on theory behind grid construction, see Jachens, R.C., Moring, B.C., and Schruben, P.G., 1996, Thickness of Cenozoic deposits and the isostatic residual gravity over basement (Chapter 2), in Singer, D.A., ed., An analysis of Nevada's metal bearing mineral resources: Nevada Bureau of Mines and Geology Open-File Report 96-2. Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: Ending_Date: Currentness_Reference: Status: Progress: Complete Maintenance_and_Update_Frequency: Unknown Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -104.1421 East_Bounding_Coordinate: -87.6348 North_Bounding_Coordinate: 78.8562 South_Bounding_Coordinate: 73.8185 Keywords: Theme: Theme_Keyword_Thesaurus: None Theme_Keyword: Geophysics Theme_Keyword: Gravity Theme_Keyword: Basement Theme_Keyword: Residual Theme_Keyword: Cenozoic Place: Place_Keyword_Thesaurus: None Place_Keyword: Great Basin Place_Keyword: Nevada Place_Keyword: Western United States Access_Constraints: Use_Constraints: This spatial information was derived from a variety of sources. Care was taken in the creation of these themes, but they are provided "as is". The Great Basin Center for Geothermal Energy, the University of Nevada, Reno or any of the data providers cannot accept any responsibility for errors, omissions, or positional accuracy in the digital data or underlying records. There are no warranties, expressed or implied, accompanying this data set. Point_of_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: Great Basin Center for Geothermal Energy Contact_Person: Richard Zehner Contact_Position: Research Scientist/Assistant GIS Specialist Contact_Address: Address_Type: mailing and physical address Address: MS 172, University of Nevada, Reno City: Reno State_or_Province: NV Postal_Code: 89557 Country: USA Contact_Voice_Telephone: 775-784-7055 Contact_Facsimile_Telephone: Contact_Electronic_Mail_Address: zehner@unr.edu Hours_of_Service: 8-5 M-F Pacific Time Native_Data_Set_Environment: ESRI Grid format Top
DATA_QUALITY_INFORMATION
Attribute_Accuracy: Attribute_Accuracy_Report: unknown Logical_Consistency_Report: Completeness_Report: Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: unknown Vertical_Positional_Accuracy: Vertical_Positional_Accuracy_Report: unknown Lineage: Source_Information: Source_Citation: Citation_Information: Originator: Great Basin Center for Geothermal Energy Publication_Date: 2002 Title: NBMGiso (Basement Isostatic Residual Gravity Field for Nevada) Edition: 1 Geospatial_Data_Presentation_Form: map Publication_Information: Publication_Place: Reno, NV Publisher: Great Basin Center for Geothermal Energy Other_Citation_Details: see above Online_Linkage: HTTP://www.unr.edu/Geothermal/ Larger_Work_Citation: Citation_Information: Originator: Publication_Date: Title: Publication_Information: Publication_Place: Publisher: Online_Linkage: Source_Scale_Denominator: Type_of_Source_Media: Source_Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: Ending_Date: Source_Currentness_Reference: current Source_Citation_Abbreviation: Source_Contribution: Process_Step: Process_Description: Source_Used_Citation_Abbreviation: Process_Date: Source_Produced_Citation_Abbreviation: Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Organization: Great Basin Center for Geothermal Energy Contact_Person: Mark Coolbaugh Contact_Position: Research Associate Professor Contact_Address: Address_Type: mailing and physical address Address: MS 172, University of Nevada, Reno City: Reno State_or_Province: NV Postal_Code: 89557 Country: USA Contact_Voice_Telephone: 775-784-1415 Contact_Facsimile_Telephone: Contact_Electronic_Mail_Address: mfc@unr.nevada.edu Hours_of_Service: Top
SPATIAL_DATA_ORGANIZATION_INFORMATION
Direct_Spatial_Reference_Method: Raster Raster_Object_Information: Raster_Object_Type: Grid Cell Row_Count: 1548 Column_Count: 1046 Top
SPATIAL_DATA_ORGANIZATION_INFORMATION
Direct_Spatial_Reference_Method: Vector Point_and_Vector_Object_Information: SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: Complete Chain Point_and_Vector_Object_Count: 9384 Top
SPATIAL_REFERENCE_INFORMATION
Horizontal_Coordinate_System_Definition: Planar: Map_Projection: Map_Projection_Name: Lambert Conformal Conic Lambert_Conformal_Conic: Standard_Parallel: 33.000000 Standard_Parallel: 45.000000 Longitude_of_Central_Meridian: -117.000000 Latitude_of_Projection_Origin: 0.000000 False_Easting: 0.000000 False_Northing: 0.000000 Standard_Parallel: 33.000000 Standard_Parallel: 45.000000 Longitude_of_Central_Meridian: -117.000000 Latitude_of_Projection_Origin: 0.000000 False_Easting: 0.000000 False_Northing: 0.000000 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: Coordinate pair Coordinate_Representation: Abscissa_Resolution: Ordinate_Resolution: Planar_Distance_Units: Meters Geodetic_Model: Horizontal_Datum_Name: North American Datum of 1927 Ellipsoid_Name: Clarke 1866 Semi-major_Axis: 6378206.4000000 Denominator_of_Flattening_Ratio: 294.98 Top
ENTITY_AND_ATTRIBUTE_INFORMATION
Overview_Description: Entity_and_Attribute_Overview: Unknown Entity_and_Attribute_Detail_Citation: Unknown Top
DISTRIBUTION_INFORMATION
Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: Great Basin Center for Geothermal Energy Contact_Person: Richard E. Zehner Contact_Position: Research Scientist/Assistant GIS Specialist Contact_Address: Address_Type: mailing and physical address Address: MS 172, University of Nevada, Reno City: Reno State_or_Province:NV Postal_Code: 89557 Country: USA Contact_Voice_Telephone:775-784-7055 Contact_Facsimile_Telephone: Contact_Electronic_Mail_Address: zehner@unr.edu Hours_of_Service: 8-5, M-F, Pacific Time Resource_Description: Distribution_Liability:This spatial information was derived from a variety of sources. Care was taken in the creation of these themes, but they are provided "as is". The Great Basin Center for Geothermal Energy, the University of Nevada, Reno or any of the data providers cannot accept any responsibility for errors, omissions, or positional accuracy in the digital data or underlying records. There are no warranties, expressed or implied, accompanying this data set. Top
METADATA_REFERENCE_INFORMATION
Metadata_Date: 8/16/2004 Metadata_Review_Date: Metadata_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization:Great Basin Center for Geothermal Energy Contact_Person: Richard E. Zehner Contact_Position: Research Scientist/Assistant GIS Specialist Contact_Address: Address_Type: Mailing and physical address Address: MS 172, University of Nevada, Reno City: Reno State_or_Province:NV Postal_Code: 89557 Country: USA Contact_Voice_Telephone: 775-784-7055 Contact_Facsimile_Telephone: Contact_Electronic_Mail_Address: zehner@unr.edu Hours_of_Service: 8-5 M-F Pacific Time Metadata_Standard_Name: FGDC CSDGM Metadata_Standard_Version: FGDC-STD-001-1998---------------------------------------------------------------------------------------------------------------------------------
Additional Information
Title: Basement Isostatic Residual Gravity Field for Nevada.
Description: This field was calculated by estimating the effect caused by variations in thickness of Cenozoic deposits on the observed isostatic residual gravity field, then removing it to derive a basement isostatic residual gravity field. For details, see Jachens et al. (1996). This grid was converted from a shapefile obtained from the web site of the Nevada Bureau of Mines and Geology at:
http://www.nbmg.unr.edu/dox/ofr962/index.htm
Reference for this shapefile:
Jachens, R.C., Moring, B.C., and Schruben, P.G., 1996, Thickness of Cenozoic deposits and the isostatic residual gravity over basement (Chapter 2); in Singer, D.A., ed., An Analysis of Nevada’s Metal Bearing Mineral Resources: Nevada Bureau of Mines and Geology Open-File Report 96-2.
Caveat: This spatial information was derived from a variety of sources. Care was taken in the creation of these themes, but they are provided "as is". The Great Basin Center for Geothermal Energy, the University of Nevada, Reno or any of the data providers cannot accept any responsibility for errors, omissions, or positional accuracy in the digital data or underlying records. There are no warranties, expressed or implied, accompanying this data set.
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