Identification_Information: Citation: Citation_Information: Originator: Morin, R.L. Title: Isostatic Gravity map of Yukon Flats, East-Central Alaska Geospatial_Data_Presentation_Form: web site Series_Information: Series_Name: Open File Report Issue_Identification: of02-322 Publication_Information: Publication_Place: Menlo Park, California Publisher: U.S. Geological Survey Online_Linkage: http:geopubs.wr.usgs.gov/open-file/of02-322 Description: Abstract: An isostatic gravity map of Yukon Flats at a scale of 1:500,000 was prepared using all know publicly available gravity data. The data were gridded at 0.25 x 0.25 km interval and contoured at 5 mGal interval. Purpose: This map was produced to examine gravity anomalies associated with sedimentary basins in the area. Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2002 Currentness_Reference: publication date Status: Progress: Complete Maintenance_and_Update_Frequency: none planned Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -152.000 East_Bounding_Coordinate: -141.000 North_Bounding_Coordinate: 68.000 South_Bounding_Coordinate: 65.000 Keywords: Theme: Theme_Keyword_Thesaurus: none Theme_Keyword: gravity Theme_Keyword: isostatic Place: Place_Keyword_Thesaurus: none Place_Keyword: Yukon Flats Place_Keyword: Alaska Access_Constraints: none Use_Constraints: none Point_of_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Robert L. Morin Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: Mailing Address Address: 345 Middlefield Rd, MS989 City: Menlo Park State_or_Province: CA Postal_Code: 94025 Country: U.S.A. Contact_Voice_Telephone: 650-329-5320 Contact_Electronic_Mail_Address: morin@usgs.gov Browse_Graphic: Browse_Graphic_File_Name: Browse_Graphic_File_Description: graphical representation of map Browse_Graphic_File_Type: PDF Native_Data_Set_Environment: SUN Ultra4000, UNIX platform Cross_Reference: Citation_Information: Originator: Morin, R.L. Publication_Date: 2002 Title: Isostatic Gravity map of Yukon Flats, East-Central Alaska Edition: version 1.0 Geospatial_Data_Presentation_Form: Series_Information: Series_Name: Open-File Report Issue_Identification: of02-322 Publication_Information: Publication_Place: Menlo Park, California Publisher: U.S. Geological Survey Online_Linkage: http://geopubs.wr.usgs.gov/open-file/of02-322 Data_Quality_Information: Attribute_Accuracy: Attribute_Accuracy_Report: Observed gravity data are accurate to about 0.05 milligals. Logical_Consistency_Report: Gravity anomalies were visually checked and reviewed at a scale of 1:500,000. Completeness_Report: This map was produced to be used at a map scale of 1:500,000. Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: Accuracy of the data is about 18 m. Lineage: Source_Information: Source_Citation: Citation_Information: Originator: Morin, R. L. Publication_Date: 2002 Title: Isostatic Gravity map of Yukon Flats, East-Central Alaska Edition: first edition Series_Information: Series_Name: Open-File Report Issue_Identification: of02-322 Publication_Information: Publication_Place: Menlo Park, California Publisher: U.S. Geological Survey Type_of_Source_Media: Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2002 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: Morin 2002 Source_Contribution: reference Process_Step: Process_Description: data collected Process_Date: 1959 to 1984 Process_Step: Process_Description: data reviewed Process_Date: 2001 to 2002 Process_Step: Process_Description: data published Process_Date: 2002 Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: point Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Geographic: Latitude_Resolution: 0.01 minute Longitude_Resolution: 0.01 minute Geographic_Coordinate_Units: Degrees and decimal minutes Geodetic_Model: Horizontal_Datum_Name: North American Datum of 1927 Ellipsoid_Name: CLARKE 1866 Projection: Transverse Mercator Central meridian: -146.5 Base latitude: 65 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: 345 Middlefield Road MS 951 City: Menlo Park State_or_Province: CA Postal_Code: 94025 Country: USA Contact_Voice_Telephone: 1-888-ASK-USGS Resource_Description: Distribution_Liability: Although this digital spatial data has been subjected to rigorous review and is substantially complete, it is released on the condition that neither the USGS nor the United States Government may be held liable for any damage resulting from its authorized or unauthorized use. Standard_Order_Process: Non-digital_Form: Fees: for current prices please see http://rmmcweb.cr.usgs.gov/public/mod/order.html Metadata_Reference_Information: Metadata_Date: 20020310 Metadata_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Robert Morin Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing address Address: USGS Address: 345 Middlefield Road MS 989 City: Menlo Park State_or_Province: CA Postal_Code: 94025 Country: USA Contact_Voice_Telephone: 650-329-5320 Contact_Electronic_Mail_Address: morin@usgs.gov Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998 Metadata_Access_Constraints: none Metadata_Use_Constraints: none