{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Adam M. Hudson", "hasEmail": "mailto:ahudson@usgs.gov"}, "description": "This dataset includes tables of He-isotopic data used to calculate surface exposure ages for samples of basalt, and U- and Th-isotopic data used to calculate uranium-series age estimates (230Th/U method) and initial 234U/238U activity ratios for samples of pedogenic carbonate formed in soils on alluvial fans in the San Luis Valley, Colorado, USA.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P9966N16", "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.5d1b7ff1e4b0941bde620e1e.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_5d1b7ff1e4b0941bde620e1e", "keyword": ["Colorado", "Conejos County", "Costilla County", "Holocene", "New Mexico", "Pleistocene", "Rio Grande Del Norte National Monument", "Rio Grande Gorge", "San Luis Valley", "Taos County", "USGS:5d1b7ff1e4b0941bde620e1e", "geochronology", "isotope analysis", "radiometric dating"], "modified": "2020-08-20T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-105.845264, 36.356736, -105.59817, 37.27635", "theme": ["geospatial"], "title": "Data release for Middle Pleistocene formation of the Rio Grande Gorge, San Luis Valley, south-central Colorado and north-central New Mexico, USA: Process, timing, and downstream implications"}