{"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 groundmass and mineral separates from volcanic rocks in northern Harrat Rahat, Kingdom of Saudi Arabia. The data were collected using a MAP216 noble gas mass spectrometer at the USGS facility in Menlo Park, Calif. These data were collected as part of a collaborative study conducted by the U.S. Geological Survey and Saudi Geological survey to assess the volcanic and seismic hazards associated with the northern Harrat Rahat volcanic field.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P92FB6AQ", "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.619d65b4d34eb622f695fba0.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_619d65b4d34eb622f695fba0", "keyword": ["Al Madinah Al Munawwarah, Kingdom of Saudi Arabia", "Harrat Rahat volcanic field", "Quaternary", "Tertiary", "USGS:619d65b4d34eb622f695fba0", "geochronology"], "modified": "2021-11-23T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "39.413889, 23.896111, 40.461667, 24.439167", "theme": ["geospatial"], "title": "Ar isotope data for volcanic rocks from the northern Harrat Rahat volcanic field and surrounding area, Kingdom of Saudi Arabia"}