{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Ian Hillenbrand", "hasEmail": "mailto:ihillenbrand@usgs.gov"}, "description": "This U.S. Geological Survey (USGS) data release presents U-Th-Pb concentrations, isotopic ratios, and geochronologic data collected by thermal ionization mass spectrometry (TIMS) for Proterozoic igneous and metamorphic rocks of the Mojave Province, California and Nevada. Sample and data collection occurred by 1984 and 1990.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P1LW7SXA", "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.67c5d356d34ea599a3b993d2.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_67c5d356d34ea599a3b993d2", "keyword": ["Arizona", "California", "Mojave desert", "Mountain Pass", "Nevada", "U.S. Geological Survey", "USGS:67c5d356d34ea599a3b993d2", "critical minerals", "geochronology", "geoscientificInformation", "igneous rocks", "metamorphic rocks", "monazite", "rare earth elements", "thermal ionization mass spectrometry", "zircon"], "modified": "2025-03-20T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-115.4776, 33.5600, -114.9728, 35.6752", "theme": ["geospatial"], "title": "Data release of U-Pb TIMS zircon and monazite geochronology for Proterozoic rocks of the Mojave Province, California and Nevada, USA"}