Geologic map of the Alligator Ridge area, including the Buck Mountain East and Mooney Basin Summit Quadrangles and parts of the Sunshine Well NE and Long Valley Slough Quadrangles, White Pine County, Nevada

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Constance J. Nutt
Publication_Date: 2000
Title:
Geologic map of the Alligator Ridge area, including the Buck Mountain East and Mooney Basin Summit Quadrangles and parts of the Sunshine Well NE and Long Valley Slough Quadrangles, White Pine County, Nevada
Edition: 1.0
Geospatial_Data_Presentation_Form: map
Series_Information:
Series_Name: U.S. Geological Survey Geologic Investigations Series Map
Issue_Identification: I-2691
Publication_Information:
Publication_Place: Denver, Colorado
Publisher: U.S. Geological Survey
Online_Linkage: http://pubs.usgs.gov/imap/i-2691/
Description:
Abstract:
Data set describes the geology of Paleozoic through Quaternary units in the Alligator Ridge area, which hosts disseminated gold deposits. These digital files were used to create the 1:24,000-scale geologic map of the Buck Mountain East and Mooney Basin Summit Quadrangles and parts of the Sunshine Well NE and Long Valley Slough Quadrangles, White Pine County, east-central Nevada.
Purpose:
Digital representation of geologic mapping facilitates the presentation and analysis of earth-science data. Digital maps may be displayed at any scale or projection, however the geologic data in this coverage is not intended for use at a scale larger that 1:24,000.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 2000
Currentness_Reference: publication date
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -115.625
East_Bounding_Coordinate: -115.41
North_Bounding_Coordinate: 39.875
South_Bounding_Coordinate: 39.626
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: geology
Theme_Keyword: geologic maps
Theme_Keyword: gold
Theme_Keyword: metallic ores
Theme_Keyword: bedrock geologic units
Theme_Keyword: geologic structure
Theme_Keyword: geospatial datasets
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Categories
Theme_Keyword: geoscientificInformation
Place:
Place_Keyword_Thesaurus: none
Place_Keyword: Alligator Ridge
Place_Keyword: White Pine County
Place_Keyword: Nevada
Place_Keyword: USA
Place:
Place_Keyword_Thesaurus: Augmented FIPS 10-4 and FIPS 6-4
Place_Keyword: f32033 = White Pine
Access_Constraints: none
Use_Constraints:
This database is not meant to be used or displayed at any scale other than 1:24,000.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Constance J. Nutt
Contact_Organization: U.S. Geological Survey
Contact_Position: geologist
Contact_Address:
Address_Type: mailing address
Address: MS 905, USGS, Denver Federal Center
City: Denver
State_or_Province: CO
Postal_Code: 80225
Country: USA
Contact_Voice_Telephone: (303) 236-1562
Contact_Electronic_Mail_Address: cnutt@usgs.gov
Browse_Graphic:
Browse_Graphic_File_Name: http://pubs.usgs.gov/imap/i-2691/i-2691so.pdf
Browse_Graphic_File_Description: graphic representation of the map layout
Browse_Graphic_File_Type: PDF
Data_Set_Credit:
Constance J. Nutt mapped the geology from 1993 to 1997. Map was digitized by and ARC/INFO database created by Tracey Mercier, Clark Woodward, and Nancy Shock. Database structure checked by Nancy Shock. Norma J. Maes prepared the Adobe Illustrator map layout, which was used for the printed paper map and gif and pdf plot and browse graphic files. F.C. Brunstein edited the geologic map and the Illustrator layout and prepared the metadata.
Native_Data_Set_Environment: ARC/INFO version 7.1.2
Data_Quality_Information:
Logical_Consistency_Report:
Visual proof of computer plot against orginal inked geology on greenline mylar.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: Constance J. Nutt
Publication_Date: 1997
Title:
unpublished mapping of the Alligator Ridge area, White Pine County, Nevada
Source_Scale_Denominator: 24000
Type_of_Source_Media: hand drawn inked greenline mylar
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 1993
Ending_Date: 1997
Source_Currentness_Reference: period in which field mapping was carried out
Source_Citation_Abbreviation: Nutt (1997)
Source_Contribution: New and compiled geologic mapping
Source_Information:
Source_Citation:
Citation_Information:
Originator: U.S. Geological Survey
Publication_Date: 1982 and 1990
Title:
Buck Mountain East (provisional edition), Mooney Basin Summit (provisional edition), Long Valley Slough, and Sunshine Well NW 7.5 minute topographic quadrangles, Nevada
Source_Scale_Denominator: 24000
Type_of_Source_Media: conventional negatives
Source_Time_Period_of_Content:
Time_Period_Information:
Multiple_Dates/Times:
Single_Date/Time:
Calendar_Date: 1982
Single_Date/Time:
Calendar_Date: 1990
Source_Currentness_Reference: revision dates
Source_Citation_Abbreviation: Topographic base maps
Source_Contribution: base map for geologic map
Process_Step:
Process_Description:
The original inked geology was digitized in ARC/INFO. The lines and polygon attributes were checked against the original geology and corrected as neccessary. Shadeset and lineset attributes were added in ARC. The digital database was quality checked against original materials, and the database structure was checked. The ARC/INFO files were imported into Illustrator 8, and the map layout was completed in Illustrator. The Illustrator layout was used to produce the GIF and PDF browse graphic files and the plot file, as well as the printed paper map. The illustrator layout was proofed before the GIF and PDF files were made and before the map was printed.
Process_Date: 1999
Process_Step:
Process_Description:
Conventional negatives and clear-film positives for all four quadrangles were obtained from USGS National Mapping Division. Clear-film positives of the four quadrangles were trimmed and mosaicked conventionally; then contact negative and clear-film positives of the mosaicked base were produced by NMD photolab. The clear-film mosaic was scanned as an 8-bit index color TIFF (.tif) file. The file was opened in Adobe Photoshop: 8-bit indexed color was changed to 8-bit grayscale; Unsharp mask was applied to clean up and sharpen the image; specks, scratches, and other imperfections were cleaned up; file was then changed from 8-bit grayscale to 1-bit and resaved as a .tif file. File was georeferenced in ARC/INFO and then imported into Illustrator layout using MaPublisher filter to align georeferenced base. Several very small dropouts occurred when scanning the base map; author and editor agreed that the dropouts were not critical to the quality of the base map.
Process_Date: 1999
Process_Step:
Process_Description: Creation of original metadata record
Process_Date: 20001117
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Frederick C Brunstein
Contact_Organization: U.S. Geological Survey, CR
Contact_Address:
Address_Type: mailing address
Address:
Mail Stop 902
P.O. Box 25046
City: Denver
State_or_Province: CO
Postal_Code: 80225
Country: USA
Contact_Voice_Telephone: 303-236-5477
Contact_Facsimile_Telephone: 303-236-6287
Contact_Electronic_Mail_Address: cbrunste@usgs.gov
Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: vector
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Map_Projection:
Map_Projection_Name: Transverse Mercator
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 1
Longitude_of_Central_Meridian: -115.5
Latitude_of_Projection_Origin: 0.0
False_Easting: 0
False_Northing: 0
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 1
Ordinate_Resolution: 1
Planar_Distance_Units: Meters
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
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Address:
Address_Type: mailing address
Address: USGS Information Services
Address: PO Box 25286
Address: Denver Federal Center
City: Denver
State_or_Province: CO
Postal_Code: 80225
Country: USA
Contact_Voice_Telephone: 1 (888) ASK-USGS
Distribution_Liability:
Although these data have been used by the USGS and have been successfully imported into data base programs, no warranty, expressed or implied, is made by the USGS as to how successfully or accurately the data can be imported into any specific application software running on any specific hardware platform. The fact of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in connection therewith. This data base GIS is not meant to be used or displayed at any scale other than 1:24,000.
Resource_Description: USGS Geologic Investigations Series I-2691
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ARCE
Format_Version_Number: 7.1.2
Format_Information_Content: Geologic units and structural features
Transfer_Size: 3.8
Digital_Transfer_Option:
Online_Option:
Fees: none
Metadata_Reference_Information:
Metadata_Date: 20160205
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

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