{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Mark Stelten", "hasEmail": "mailto:mstelten@usgs.gov"}, "description": "The data are the results of mass spectrometer experiments to measure 40Ar/39Ar ages of sanidine crystals hosted in Yellowstone rhyolites. The data were collected using a MAP216 noble gas mass spectrometer and a Nu Noblesse noble gas mass spectrometer at the USGS facility in Menlo Park, Calif.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P9MSBGDW", "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.5b0df6fce4b0c39c934b0f55.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_5b0df6fce4b0c39c934b0f55", "keyword": ["USGS:5b0df6fce4b0c39c934b0f55", "geochronology"], "modified": "2020-08-27T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-111.77215576096, 44.065565786662, -111.10748290942, 44.4667989057", "theme": ["geospatial"], "title": "Ar isotope data for pre- and post-caldera rhyolites associated with the Mesa Falls Tuff, Yellowstone Plateau volcanic field"}