National Geochronological Database

Metadata Updated: June 8, 2018

Radiometric ages of geological materials by K-Ar, Rb-Sr, Sm-Nd, fission track, and U-Th-Pb dating methods. A revision of DDS-14 correcting locations and providing the data in more convenient formats.

Access & Use Information

License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Dates

Metadata Date December 4, 2017
Metadata Created Date December 2, 2017
Metadata Updated Date June 8, 2018
Reference Date(s) January 1, 2003 (publication)
Frequency Of Update asNeeded
Frequency Of Update asNeeded

Metadata Source

Harvested from DOI CKAN Harvest Source

Graphic Preview

Sample locations in the conterminous United States, (768 x 512 pixels)

Additional Metadata

Resource Type Dataset
Metadata Date December 4, 2017
Metadata Created Date December 2, 2017
Metadata Updated Date June 8, 2018
Reference Date(s) January 1, 2003 (publication)
Responsible Party Eastern Mineral Resources Team (Point of Contact)
Contact Email
Access Constraints Use Constraints: none, Access Constraints: none
Bbox East Long -67.021389
Bbox North Lat 71
Bbox South Lat 26.5625
Bbox West Long -179.119444
Coupled Resource
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Any use of trade, firm, or product\\\\\\\\\\\\\\\\nnames is for descriptive purposes only and does not imply endorsement\\\\\\\\\\\\\\\\nby the U.S. Government.\\\\\\\\\\\\\\\"]\\\\\\\", \\\\\\\"metadata_type\\\\\\\": \\\\\\\"geospatial\\\\\\\", \\\\\\\"responsible-party\\\\\\\": \\\\\\\"[{\\\\\\\\\\\\\\\"name\\\\\\\\\\\\\\\": \\\\\\\\\\\\\\\"Eastern Mineral Resources Team\\\\\\\\\\\\\\\", \\\\\\\\\\\\\\\"roles\\\\\\\\\\\\\\\": [\\\\\\\\\\\\\\\"pointOfContact\\\\\\\\\\\\\\\"]}]\\\\\\\", \\\\\\\"spatial-data-service-type\\\\\\\": \\\\\\\"\\\\\\\", \\\\\\\"metadata-language\\\\\\\": \\\\\\\"\\\\\\\"}\\\", \\\"metadata-language\\\": \\\"\\\"}\", \"metadata-language\": \"\"}", "metadata-language": ""}
Frequency Of Update asNeeded
Graphic Preview Description Sample locations in the conterminous United States, (768 x 512 pixels)
Graphic Preview File https://mrdata.usgs.gov/geochron/ofr-2003-236.png
Graphic Preview Type PNG
Guid
Harvest Object Id 0cafbdb2-6e3b-4bde-8330-e783eea1670d
Harvest Source Id 34ce571b-cb98-4e0b-979f-30f9ecc452c5
Harvest Source Title DOI CKAN Harvest Source
Licence This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey (USGS) editorial standards or with the North American Stratigraphic Code. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Metadata Language
Metadata Type geospatial
Progress completed
Spatial Data Service Type
Spatial Reference System
Spatial Harvester true

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