{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Theodore R. Brandt", "hasEmail": "mailto:tbrandt@usgs.gov"}, "description": "The San Luis Valley and associated underlying basin of south-central\nColorado and north-central New Mexico is the largest structural and\nhydrologic basin of the Rio Grande Rift and fluvial system.  The\nsurrounding San Juan and Sangre de Cristo Mountains reveal evidence\nof widespread volcanism and transtensional tectonism beginning in\nthe Oligocene and continuing to the present, as seen in fault\ndisplacement of Pleistocene to Holocene deposits along the eastern\nbasin-bounding Sangre de Cristo fault system and fault zones along\nthe western margin of the basin.  The San Luis basin can generally\nbe subdivided into northern and southern basins at the structural\nand physiographic high terrain of the San Luis Hills in the center\nof the basin, proximal to the Colorado-New Mexico stateline.  The\nnorthern San Luis Valley can be subdivided into two subbasins at\napproximately the latitude of the Great Sand Dunes and San Luis\nLakes, where the endorheic northern subbasin surface and subsurface\nflow currently accumulate in a series of playa lakes. To the south\nof this playa region, the Rio Grande has captured basin hydrology\ninto a through-going fluvial system cutting through the San Luis\nHills, carving the Rio Grande gorge, and ultimately flowing into\nthe Gulf of Mexico.  This surficial geologic map of the northern\nSan Luis Valley, paired with the Alamosa, CO 1:100,000-scale\ngeologic map (U.S. Geological Survey Scientific Investigations Map\n3342) provides new and compiled geologic mapping that characterizes\nbasin deposits and locates the traces of active faults, with the\ngoal to provide geospatial data for future investigations related to\nwestern North American neotectonics, Pleistocene paleoclimate, and\nrelated geomorphic processes.  In addition, present natural and\nanthropogenic water bodies have been located and updated for\nhydrologic modeling and water-usage investigations.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P9PUTQYK", "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.5f46b7c182ce4c3d122576e8.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_5f46b7c182ce4c3d122576e8", "keyword": ["3He cosmogenic nuclide", "Alamosa", "Alamosa County", "Alamosa River", "Bishop Tuff", "Blanca Peak", "Bull Lake age", "Bull Lake glaciation", "Center", "Chiquita Peak", "Colorado", "Conejos County", "Conejos River", "Costilla County", "Crestone", "Custer County", "Del Norte", "Fort Garland", "Fremont County", "Great Sand Dunes", "Greenie Ridge", "Hayden Pass", "Holocene", "Huckleberry Ridge Tuff", "La Jara Creek", "La Veta Pass", "Lake Alamosa", "Lava Creek B", "Medano Creek", "Medano Pass", "Mineral Hot Springs fault", "Miocene", "Miocene volcanics", "Moffet", "Monte Vista", "Mosca Pass", "Neogene", "Oligocene", "Orient Iron Mine", "Pinedale Glaciation", "Pinedale age", "Pleistocene", "Pleistocene Glaciation", "Pleistocene river incision", "Pliocene", "Pliocene volcanics", "Poncha Pass", "Quaternary", "Rio Grande", "Rio Grande County", "Rio Grande incision", "Rio Grande rift", "Rocky Mountain glaciation", "Saguache", "Saguache County", "Saguache Creek", "San Juan Mountains", "San Juan volcanic field", "San Luis Creek", "San Luis Lakes", "San Luis Valley", "San Luis basin", "Sand Creek", "Sangre de Cristo Mountains", "Sangre de Cristo fault", "Sangre de Cristo fault system", "Santa Fe Group", "Servilleta Basalt", "Taos Plateau volcanic field", "Terrace Reservoir", "Tertiary", "Tusas Mountains", "USA", "USGS:5f46b7c182ce4c3d122576e8", "United States", "Valley View Hot Springs", "Villa Grove", "Villa Grove fault zone", "Zapata Creek", "Zapata Falls", "active fault", "early Pleistocene", "landslides", "late Pleistocene", "late middle Pleistocene", "marine oxygen isotope stage 10", "marine oxygen isotope stage 11", "marine oxygen isotope stage 12", "marine oxygen isotope stage 2", "marine oxygen isotope stage 5", "marine oxygen isotope stage 6", "marine oxygen isotope stage 7", "marine oxygen isotope stage 8", "marine oxygen isotope stage 9", "marine-terrestrial marine isotope correlation", "middle Pleistocene", "middle Pleistocene glaciation", "neotectonics", "pre-Bull Lake age", "pre-Bull Lake glaciation", "soil carbonate"], "modified": "2021-06-21T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-106.4070, 37.2830, -105.3520, 38.4050", "theme": ["geospatial"], "title": "Data release for Surficial Geology of the Northern San Luis Valley, Saguache, Fremont, Custer, Alamosa, Rio Grande, Conejos, and Costilla Counties, Colorado"}