USGS Mineral Resources: National Geochronological Database

From the site: "Radiometric and fission-track age determinations of geologic materials from the continental US and Alaska."

Data and Resources

http://mrdata.usgs.gov/geochron/HTML
From the site: "Radiometric and fission-track age determinations of geologic...
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Field	Value
Source
Version
Author
Author Email
Maintainer
Maintainer Email
Shared (this field will be removed in the future)	Open
IB1 Sensitivity Class
IB1 Trust Framework
IB1 Dataset Assurance
IB1 Trust Framework
citation	Ben Schubert, USGS Mineral Resources: National Geochronological Database, 2014-06-04, https://edx.netl.doe.gov/dataset/usgs-mineral-resources-national-geochronological-database
netl_product	no
organization_acronym	USGS
spatial	{"type":"MultiPolygon","coordinates":[[[[-62.9296875,72.39570570653261],[-62.9296875,18.979025953255267],[-175.078125,18.979025953255267],[-175.078125,72.39570570653261],[-62.9296875,72.39570570653261]]]]}