Geothermometry Data for the Great Basin as of 2001

Table of Contents



IDENTIFICATION_INFORMATION

Citation: Citation_Information: Originator: Coolbaugh, M.F., Taranik, J.V. Originator: Raines, G.L. Originator: Shevanell, L.A. Originator: Sawatzky, D.L., Minor, T., Bedell, R. Publication_Date: 2002 Title: Geothermometry Data for the Great Basin as of 2001 Edition: Geospatial_Data_Presentation_Form: Map Publication_Information: Publication_Place: Reno, NV Publisher: Great Basin Center for Geothermal Energy Other_Citation_Details: Reference for this shapefile: Coolbaugh, M.F., Taranik, J.V., Raines, G.L., Shevenell, L.A., Sawatzky, D.L., Minor,T.B., and Bedell, R., 2002, A geothermal GIS for Nevada: defining regional controls and favorable exploration terrains for extensional geothermal systems; Proceedings, Annual Meeting, Reno, NV., Sept. 22-25, 2002, Geothermal Resources Council Transactions, v. 26, p. 485-490. 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 is a specialized, reduced set of geochemical data on hot springs and geothermal systems of Nevada designed to be used for spatial statistical analysis. This data set has been used to assess correlations between geothermal systems in Nevada and geological, geochemical, and geophysical phenomena. One of the more distinctive features of this data set is the fact that no two data points lie less than 10 kilometers from each other. This restriction was imposed in order to minimize distortions in statistics when large numbers of individual spring or well analyses exist for a single “geothermal system”. Purpose: For geothermal exploration. Supplemental_Information: Selection Criteria: This shapefile contains all geothermal systems in Nevada that fit the following restrictive criteria: 1) Unless measured temperatures were ³ 100 °C, no geothermal system was included if geothermometer estimates were not available. 2) A minimum distance of 10 km between geothermal systems was required. Higher temperature systems had preference over lower temperature systems where two candidates occurred less than 10 km apart. 3) Oil wells greater than 500 meters in depth were not used, because in many of them, temperatures don’t appreciably exceed the regional gradient. Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: Ending_Date: Currentness_Reference: Status: Progress: Complete Maintenance_and_Update_Frequency: As needed Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -122.5217 East_Bounding_Coordinate: -110.7299 North_Bounding_Coordinate: 43.7706 South_Bounding_Coordinate: 35.0047 Keywords: Theme: Theme_Keyword_Thesaurus: None Theme_Keyword: Geothermal Theme_Keyword: Geochemistry Theme_Keyword: Geothermometer Place: Place_Keyword_Thesaurus: None Place_Keyword: Great Basin Place_Keyword: Arizona Place_Keyword: California Place_Keyword: Idaho Place_Keyword: Nevada Place_Keyword: Oregon Place_Keyword: Utah Place_Keyword: Wyoming 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: 775-327-5801 Contact_Electronic_Mail_Address: zehner@unr.edu Hours_of_Service: M-F 8-5 Native_Data_Set_Environment: ArcView version 3.3 shapefile format  Top

DATA_QUALITY_INFORMATION

Attribute_Accuracy: Attribute_Accuracy_Report: Logical_Consistency_Report: Completeness_Report: Selection Criteria: This shapefile contains all geothermal systems in Nevada that fit the following restrictive criteria: 1) Unless measured temperatures were ³ 100 °C, no geothermal system was included if geothermometer estimates were not available. 2) A minimum distance of 10 km between geothermal systems was required. Higher temperature systems had preference over lower temperature systems where two candidates occurred less than 10 km apart. 3) Oil wells greater than 500 meters in depth were not used, because in many of them, temperatures don’t appreciably exceed the regional gradient. Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: Unknown. Vertical_Positional_Accuracy: Vertical_Positional_Accuracy_Report: Lineage: Source_Information: Source_Citation: Citation_Information: Originator: Coolbaugh, M.F., Taranik, J.V. Originator: Raines, G.L. Originator: Shevanell, L.A. Originator: Sawatzky, D.L., Minor, T., Bedell, R. Publication_Date: 2005 Title: Edition: Geospatial_Data_Presentation_Form: map Publication_Information: Publication_Place: Reno, NV Publisher: Great Basin Center for Geothermal Energy Other_Citation_Details: Reference for this shapefile: Coolbaugh, M.F., Taranik, J.V., Raines, G.L., Shevenell, L.A., Sawatzky, D.L., Minor, T.B., and Bedell, R., 2002, A geothermal GIS for Nevada: defining regional controls and favorable exploration terrains for extensional geothermal systems; Proceedings, Annual Meeting, Reno, NV., Sept. 22-25, 2002, Geothermal Resources Council Transactions, v. 26, p. 485-490. 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: Source_Citation_Abbreviation: Source_Contribution: Sources of Data: Geothermal systems and hot springs: Blackett, R. and Wakefield, S., 2002, Geothermal Resources of Utah: Utah Geological Survey Open-File Report 397 Blackwell, D., 1983, SMU geothermal web site: http: HTTP://www.smu.edu/geothermal/. Garside, L., 1994, Nevada low-temperature geothermal resource assessment: 1994: Nevada Bureau of Mines and Geology, Open File Report 94-2. Geo-Heat Center, 2002, Geo-Heat Center State Geothermal Databases: Oregon Institute of Technology, 3201 Campus Drive, Klamath Falls, OR 97601; http: HTTP://geoheat.oit.edu Geothermal Resources of California, 1980, California Geologic Data Map Series Map No. 4 (DOE funded) Geothermal Resources of Idaho, 1980, Idaho Department of Water Resources Water Information Bulletin No. 30, Plate 1 (DOE funded) Geothermal Resources of Oregon, 1982, Oregon Department of Geology and Mineral Industries (DOE funded) Geothermal Resources of Utah, 1980, Utah Geological and Mineral Survey (DOE funded) Shevenell, L., Garside, L.J., and Hess, R.H., 2000, Nevada Geothermal Resources: Nevada Bureau of Mines and Geology, Map 126. Geothermometry: L., 1994, Nevada low-temperature geothermal resource assessment: 1994: Nevada Bureau of Mines and Geology, Open File Report 94-2. Mariner, R.H., Presser, T.S., and Evans, W.C., 1983, Geochemistry of active geothermal systems in the northern Basin and Range province: Geothermal Resources Council, Special Report No. 13, p. 95-119. Process_Step: Process_Description: Selection Criteria: This shapefile contains all geothermal systems in Nevada that fit the following restrictive criteria: 1) Unless measured temperatures were ³ 100 °C, no geothermal system was included if geothermometer estimates were not available. 2) A minimum distance of 10 km between geothermal systems was required. Higher temperature systems had preference over lower temperature systems where two candidates occurred less than 10 km apart. 3) Oil wells greater than 500 meters in depth were not used, because in many of them, temperatures don’t appreciably exceed the regional gradient. Methods of calculating the Na-K-Ca-Mg and SiO2 geothermometers are the same as those used by Mariner et al. (1983) Source_Used_Citation_Abbreviation: Process_Date: March 15, 2005 Source_Produced_Citation_Abbreviation: Process_Contact: Contact_Information: Contact_Person_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: 775-327-5801 Contact_Electronic_Mail_Address: zehner@unr.edu Hours_of_Service: M-F 8-5 Top

SPATIAL_DATA_ORGANIZATION_INFORMATION

Direct_Spatial_Reference_Method: Point Point_and_Vector_Object_Information: SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: Point Point_and_Vector_Object_Count: 1588 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: Row and column 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: Description of fields in the attribute table database: Id: identification number Name: name of geothermal system or hot springs State: state of location Type: type of energy produced, if any Source: first or principal reference County: county of location Name_2: secondary name the geothermal system may be known by Class_4: Classed according to maximum temperature (Max_temp): ³ 160°C = high, 100-159°C = medium, 70-99°C = low, 37-69°C = warm. Mw_e: Megawatts of electric power generating capacity Max_meas_t: Maximum measured temperature (°C) Geotherm_t: Average of silica and Na-K-Ca-Mg geothermometer temperature estimates (°C). Methods of calculating the Na-K-Ca-Mg and SiO2 geothermometers are the same as those used by Mariner et al. (1983, see below). Max_temp: Greater of maximum measured temperature (Max_meas_t) and geothermometer estimated temperature (Geotherm_t) (°C). Entity_and_Attribute_Detail_Citation: Top

DISTRIBUTION_INFORMATION

Distributor: 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: 775-327-5801 Contact_Electronic_Mail_Address: zehner@unr.edu Hours_of_Service: M-F 8-5 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: March 28, 2005 Metadata_Review_Date: Metadata_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: 775-327-5801 Contact_Electronic_Mail_Address: zehner@unr.edu Hours_of_Service: M-F 8-5 Metadata_Standard_Name: FGDC CSDGM Metadata_Standard_Version: FGDC-STD-001-1998 Top