{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Kelly D Thomson", "hasEmail": "mailto:kthomson@usgs.gov"}, "description": "USGS Geochron is a database of geochronological and thermochronological dates and data. The USGS Geochron: Data Compilation Templates data release hosts Microsoft Excel-based data compilation templates for the USGS Geochron database. Geochronological and thermochronological methods currently archived in the USGS Geochron database include radiocarbon, cosmogenic (10Be, 26Al, 3He), fission track, (U-Th)/He, U-series, U-Th-Pb, 40Ar/39Ar, K-Ar, Lu-Hf, Rb-Sr, Sm-Nd, and Re-Os dating methods. For questions or to submit data please contact geochron@usgs.gov", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P14SSWBH", "description": "Landing page for access to the data", "format": "XML", "mediaType": "application/http", "title": "Digital Data"}, {"@type": "dcat:Distribution", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.6787f406d34e60ddd4de2996.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_6787f406d34e60ddd4de2996", "keyword": ["(U-Th)/He", "40Ar/39Ar", "Cosmogenic", "Fission track", "Geochronology", "K-Ar", "Lu-Hf", "Optically stimulated luminescence", "Radiocarbon", "Radiometric dating", "Rb-Sr", "Re-Os", "Sm-Nd", "Thermochronology", "U-Th-Pb", "U-series", "USGS:6787f406d34e60ddd4de2996", "geoscientificInformation"], "modified": "2025-06-05T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-180.0000, -90.0000, 180.0000, 90.0000", "theme": ["geospatial"], "title": "USGS Geochron: Data Compilation Templates (2.0, June 2025)"}