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Audiomagnetotelluric sounding data, station 7, Taos Plateau Volcanic Field, New Mexico, 2009 This dataset includes the audio-magnetotelluric (AMT) sounding data collected in 2009 in and near the San Luis Basin, New Mexico. The U.S. Geological Survey conducted a series of multidisciplinary studies, including AMT surveys, in the San Luis Basin to improve understanding of the hydrogeology of the Santa Fe Group and the nature of the sedimentary deposits comprising the principal groundwater aquifers of the Rio Grande rift. The shallow unconfined and the deeper confined Santa Fe Group aquifers in the San Luis Basin are the main sources of municipal water for the region. The population of the San Luis Basin region is growing rapidly and water shortfalls could have serious consequences. Future growth and land management... Tags: AMT, Cerro, Cerro De La Olla, GGGSC, GPS measurement, All tags... Geology, Geophysics, and Geochemistry Science Center, Guadalupe Mountain, MRP, MT, Mineral Resources Program, New Mexico, No Agua Peaks, Questa, Rio Grande, Rio Grande Basin, Rio Grande rift, San Luis Basin, Sangre de Cristo Mountains, Santa Fe Group, Taos County, Taos Plateau Volcanic Field, apparent resistivity, aquifer, audiomagnetotelluric, deformation (geologic), electromagnetic surveying, geologic framework, geophysics, geoscientificInformation, groundwater, hydrogeology, impedance, impedance phase, impedance strike, magnetic field (earth), magnetic surveying, magnetotelluric surveying, regional fluid flow, sedimentary deposits, sedimentation, sounding, tipper, Fewer tags Audiomagnetotelluric sounding data, station 9, Taos Plateau Volcanic Field, New Mexico, 2009 This dataset includes the audio-magnetotelluric (AMT) sounding data collected in 2009 in and near the San Luis Basin, New Mexico. The U.S. Geological Survey conducted a series of multidisciplinary studies, including AMT surveys, in the San Luis Basin to improve understanding of the hydrogeology of the Santa Fe Group and the nature of the sedimentary deposits comprising the principal groundwater aquifers of the Rio Grande rift. The shallow unconfined and the deeper confined Santa Fe Group aquifers in the San Luis Basin are the main sources of municipal water for the region. The population of the San Luis Basin region is growing rapidly and water shortfalls could have serious consequences. Future growth and land management... Tags: AMT, Cerro, Cerro De La Olla, GGGSC, GPS measurement, All tags... Geology, Geophysics, and Geochemistry Science Center, Guadalupe Mountain, MRP, MT, Mineral Resources Program, New Mexico, No Agua Peaks, Questa, Rio Grande, Rio Grande Basin, Rio Grande rift, San Luis Basin, Sangre de Cristo Mountains, Santa Fe Group, Taos County, Taos Plateau Volcanic Field, apparent resistivity, aquifer, audiomagnetotelluric, deformation (geologic), electromagnetic surveying, geologic framework, geophysics, geoscientificInformation, groundwater, hydrogeology, impedance, impedance phase, impedance strike, magnetic field (earth), magnetic surveying, magnetotelluric surveying, regional fluid flow, sedimentary deposits, sedimentation, sounding, tipper, Fewer tags Audiomagnetotelluric sounding data, stations 1-9, Taos Plateau Volcanic Field, New Mexico, 2009 This dataset includes the audio-magnetotelluric (AMT) sounding data collected in 2009 in and near the San Luis Basin, New Mexico. The U.S. Geological Survey conducted a series of multidisciplinary studies, including AMT surveys, in the San Luis Basin to improve understanding of the hydrogeology of the Santa Fe Group and the nature of the sedimentary deposits comprising the principal groundwater aquifers of the Rio Grande rift. The shallow unconfined and the deeper confined Santa Fe Group aquifers in the San Luis Basin are the main sources of municipal water for the region. The population of the San Luis Basin region is growing rapidly and water shortfalls could have serious consequences. Future growth and land management... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: AMT, Cerro, Cerro De La Olla, GGGSC, GPS measurement, All tags... Geology, Geophysics, and Geochemistry Science Center, Geophysics, Guadalupe Mountain, Hydrogeology, MRP, MT, Mineral Resources Program, New Mexico, No Agua Peaks, Questa, Rio Grande, Rio Grande Basin, Rio Grande rift, San Luis Basin, Sangre de Cristo Mountains, Santa Fe Group, Taos County, Taos Plateau Volcanic Field, USGS Science Data Catalog (SDC), Water Resources, apparent resistivity, aquifer, audiomagnetotelluric, deformation (geologic), electromagnetic surveying, geologic framework, geophysics, geoscientificInformation, groundwater, hydrogeology, impedance, impedance phase, impedance strike, magnetic field (earth), magnetic surveying, magnetotelluric surveying, regional fluid flow, sedimentary deposits, sedimentation, sounding, tipper, Fewer tags Audiomagnetotelluric sounding data, station 1, Taos Plateau Volcanic Field, New Mexico, 2009 This dataset includes the audio-magnetotelluric (AMT) sounding data collected in 2009 in and near the San Luis Basin, New Mexico. The U.S. Geological Survey conducted a series of multidisciplinary studies, including AMT surveys, in the San Luis Basin to improve understanding of the hydrogeology of the Santa Fe Group and the nature of the sedimentary deposits comprising the principal groundwater aquifers of the Rio Grande rift. The shallow unconfined and the deeper confined Santa Fe Group aquifers in the San Luis Basin are the main sources of municipal water for the region. The population of the San Luis Basin region is growing rapidly and water shortfalls could have serious consequences. Future growth and land management... Tags: AMT, Cerro, Cerro De La Olla, GGGSC, GPS measurement, All tags... Geology, Geophysics, and Geochemistry Science Center, Guadalupe Mountain, MRP, MT, Mineral Resources Program, New Mexico, No Agua Peaks, Questa, Rio Grande, Rio Grande Basin, Rio Grande rift, San Luis Basin, Sangre de Cristo Mountains, Santa Fe Group, Taos County, Taos Plateau Volcanic Field, apparent resistivity, aquifer, audiomagnetotelluric, deformation (geologic), electromagnetic surveying, geologic framework, geophysics, geoscientificInformation, groundwater, hydrogeology, impedance, impedance phase, impedance strike, magnetic field (earth), magnetic surveying, magnetotelluric surveying, regional fluid flow, sedimentary deposits, sedimentation, sounding, tipper, Fewer tags Audiomagnetotelluric sounding data, station 2, Taos Plateau Volcanic Field, New Mexico, 2009 This dataset includes the audio-magnetotelluric (AMT) sounding data collected in 2009 in and near the San Luis Basin, New Mexico. The U.S. Geological Survey conducted a series of multidisciplinary studies, including AMT surveys, in the San Luis Basin to improve understanding of the hydrogeology of the Santa Fe Group and the nature of the sedimentary deposits comprising the principal groundwater aquifers of the Rio Grande rift. The shallow unconfined and the deeper confined Santa Fe Group aquifers in the San Luis Basin are the main sources of municipal water for the region. The population of the San Luis Basin region is growing rapidly and water shortfalls could have serious consequences. Future growth and land management... Tags: AMT, Cerro, Cerro De La Olla, GGGSC, GPS measurement, All tags... Geology, Geophysics, and Geochemistry Science Center, Guadalupe Mountain, MRP, MT, Mineral Resources Program, New Mexico, No Agua Peaks, Questa, Rio Grande, Rio Grande Basin, Rio Grande rift, San Luis Basin, Sangre de Cristo Mountains, Santa Fe Group, Taos County, Taos Plateau Volcanic Field, apparent resistivity, aquifer, audiomagnetotelluric, deformation (geologic), electromagnetic surveying, geologic framework, geophysics, geoscientificInformation, groundwater, hydrogeology, impedance, impedance phase, impedance strike, magnetic field (earth), magnetic surveying, magnetotelluric surveying, regional fluid flow, sedimentary deposits, sedimentation, sounding, tipper, Fewer tags Data release for Geologic Map of the Poncha Pass Area, Chaffee, Fremont, and Saguache Counties, Colorado This release presents the GIS data (in GDB, shapefile, and e00 [coverage] formats) and metadata for a 1:24,000-scale geologic map of the Poncha Pass area in central Colorado. A cartographic version of the geologic map, including map unit descriptions, interpretative text, and accessory figures and tables, is being separately published as a U.S. Geological Survey Scientific Investigations Map (SIM). The map area is irregular in shape, covering all of one 7.5' quadrangle (Poncha Pass) and parts of five others (Mount Ouray, Maysville, Salida West, Salida East, and Wellsville). The map boundaries were drawn to cover all of the "Poncha mountain block", coincident with the approximately 15-kilometer-long northwestern... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 40Ar/39Ar age, Arkansas River, Bear Creek, Bonanza Tuff, Bull Lake glaciation, All tags... Chaffee County, Cleveland Mountain, Clover Creek, Colorado, Conejos Formation, Droz Creek, Dry Union Formation, Fremont County, Geomorphology, Laramide orogeny, Little Cochetopa Creek, Mears Junction, Methodist Mountain, Mineral Resources, Mount Ouray, Murphys Hole, O’Haver Lake, Pinedale Glaciation, Poncha Creek, Poncha Mountain, Poncha Pass, Poncha Springs, Rio Grande rift, Round Hill, Saguache County, Salida, San Luis Creek, San Luis Valley, Sand Gulch, Sangre de Cristo Mountains, Sawatch Range, Silver Creek, Simmons Peak, South Arkansas River, Stratigraphy, Structural Geology, U-Pb age, USA, USGS Science Data Catalog (SDC), United States, Upper Arkansas Valley, Volcanology, basement rocks, basin-fill deposits, dike, fault slip, intrusive rocks, metamorphic rocks, mountain block, normal fault, oblique-slip fault, pre-Bull Lake glaciation, range-front fault, reverse fault, sedimentary rocks, sill, strike slip, surficial deposits, uplift, volcanic rocks, Fewer tags Digital Data from Mineral Investigation of Sangre de Cristo Wilderness Study Area, Alamosa, Custer, Fremont, Huerfano, and Saguache Counties, Colorado, USA This Data Release provides tabular and geospatial data digitized by the U.S. Geological Survey (USGS) from a U.S. Bureau of Mines (USBoM) report titled Mineral Investigation of Sangre de Cristo Wilderness Study Area, Alamosa, Custer, Fremont, Huerfano, and Saguache Counties, Colorado. The original preliminary paper report, numbered Mineral Land Assessment 65-83 (MLA 65-83; Ellis and others, 1983), presented the results of a mineral resource potential survey of areas in and around the Sangre de Cristo Range flanking the northeastern extent of San Luis Valley in south-central Colorado. Included in this Data Release are georeferenced scans of the regional plate maps, digitized sample site locations, analytical... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Alamosa County, Alamosa County, Baca National Wildlife Refuge, Blanca Peak, Cañon City, All tags... Colorado, Colorado, Costilla County, Costilla County, Crestone, Crestone Needle, Crestone Peak, Custer County, Custer County, Duncan, Economic Geology, Fremont County, Fremont County, GGGSC, GIS and Information Management Project, Geochemistry, Geology, Geophysics, and Geochemistry Science Center, Geomorphology, Great Sand Dunes National Park and Preserve, Great Sand Dunes National Park and Preserve, Great Sand Dunes National Preserve, Gunnison National Forest, Hayden Pass, Hermit Pass, Huerfano Conty, Huerfano County, Huerfano County, Humboldt Peak, Kit Carson Mountain, La Veta Pass, Liberty, MLA 65-83, MRP, Medano Pass, Mineral Land Assessment, Mineral Land Assessment 65-83, Mineral Resources, Mineral Resources Program, Mining claim, Mosca Pass, Music Pass, Poncha Pass, Prospecting, Rio Grande National Forest, Rio Grande Rift, Rita Alta copper mine, Saguache County, Saguache County, Salida, San Isabel National Forest, San Luis Valley, San Luis Valley, Sangre de Cristo Mountains, Sangre de Cristo Range, Sangre de Cristo Range, Sangre de Cristo Wilderness, Sangre de Cristo Wilderness, Silver Cliff, Structural geology, U.S. Bureau of Mines, U.S. Bureau of Mines, U.S. Geological Survey, U.S. Geological Survey, USBoM, USGS, USGS Science Data Catalog (SDC), Westcliffe, Wet Mountain Valley, Wilderness, Wilderness Study Area, abandoned mines and quarries, atomic absorption analysis, chemical analysis, colorimetry, copper, fire assay, fluorimetry, geologic maps, geologic structure, geoscientificInformation, geospatial datasets, gold, lead, mass spectroscopy, mine adit, mine dump, mine shaft, mine stockpile, mineral resources, mineralized outcrop, mineralogy, molybdenum, ore formation, petrology, prospect pit, quarry, sample sites, silver, tectonic processes, tungsten, uranium, Fewer tags Audiomagnetotelluric sounding data, station 4, Taos Plateau Volcanic Field, New Mexico, 2009 This dataset includes the audio-magnetotelluric (AMT) sounding data collected in 2009 in and near the San Luis Basin, New Mexico. The U.S. Geological Survey conducted a series of multidisciplinary studies, including AMT surveys, in the San Luis Basin to improve understanding of the hydrogeology of the Santa Fe Group and the nature of the sedimentary deposits comprising the principal groundwater aquifers of the Rio Grande rift. The shallow unconfined and the deeper confined Santa Fe Group aquifers in the San Luis Basin are the main sources of municipal water for the region. The population of the San Luis Basin region is growing rapidly and water shortfalls could have serious consequences. Future growth and land management... Tags: AMT, Cerro, Cerro De La Olla, GGGSC, GPS measurement, All tags... Geology, Geophysics, and Geochemistry Science Center, Guadalupe Mountain, MRP, MT, Mineral Resources Program, New Mexico, No Agua Peaks, Questa, Rio Grande, Rio Grande Basin, Rio Grande rift, San Luis Basin, Sangre de Cristo Mountains, Santa Fe Group, Taos County, Taos Plateau Volcanic Field, apparent resistivity, aquifer, audiomagnetotelluric, deformation (geologic), electromagnetic surveying, geologic framework, geophysics, geoscientificInformation, groundwater, hydrogeology, impedance, impedance phase, impedance strike, magnetic field (earth), magnetic surveying, magnetotelluric surveying, regional fluid flow, sedimentary deposits, sedimentation, sounding, tipper, Fewer tags U-Pb zircon data for: The Poncha Pass and Deadman Creek areas, northern Sangre de Cristo Mountains of south-central Colorado Geologic mapping, characterization of geologic structures, and sampling for geochronology was completed in two areas of the northwestern Sangre de Cristo Mountains from 2011 through 2017. This data release provides the raw analytical data, metadata and sample information for 20 zircon U-Pb age analyses from laser ablation-inductively coupled plasma mass spectrometry (LA-ICPMS). The two areas include the Poncha Pass area where the entire 71/2’ Poncha Pass quadrangle and parts of five other quadrangles (Mount Ouray, Maysville, Salida West, Salida East, and Wellsville) were mapped at a scale of 1:24,000 (see Minor and others, 2019). The Deadman thrust fault is the second area, approximately 80 km southwest of the Poncha... Categories: Data; Tags: Colorado, Deadman Thrust Fault, Detrital Zircon, GGG, Geochemistry, All tags... Geochronology, Geology, Geophysics, and Geochemistry Science Center, Igneous Zircon, LA-ICPMS, Laramide orogeny, Laser-Ablation Inductively-Coupled Plasma Mass Spectrometry, Maysville, Mount Ouray, Poncha Pass, Poncha Springs, Radiometric Dating, Rio Grande rift, Salida, Salida East, Salida West, Sangre de Cristo Mountains, Structural Geology, Structural Geology, U-Pb, U.S. Geological Survey, USGS, USGS Science Data Catalog (SDC), Uranium-Lead, Wellsville, Fewer tags Data Release for Luminescence: Construction and modification of debris-flow alluvial fans as captured in the geomorphic and sedimentary record: examples from the western Sangre de Cristo Mountains, south-central Colorado The following report summarizes the dating results from the San Luis Valley-Pioneer Fan 2017-2019 dating project. Within this report, we detail the methodology used by the USGS Luminescence Geochronology Laboratory to obtain ages including sample preparation methods, luminescence measurement, equivalent dose determination, and dating-related calculations. We recommend that this report be included as the supplementary material for any publication(s) that use the ages within this report. Categories: Data; Tags: Geomorphology, Pioneer Fan, San Luis Valley, Sangre de Cristo Mountains, Sedimentology, All tags... South-Central Colorado, USGS Science Data Catalog (SDC), Western Range, age estimation methods, biota, geochronology, luminescence dating, optically-stimulated luminescence, radiation dosimetry, Fewer tags U-Pb SHRIMP zircon isotopic data for ages used on the Poncha Pass map U-Pb isotopic data from zircon measured using the SHRIMP-RG ion microprobe at Stanford University, CA. These data are used to calculate absolute ages of the samples from which the zircons were extracted. These samples are shown on the Poncha Pass map being submitted for publication (Minor, et al., in prep) Categories: Data; Tags: Colorado, Colorado, Geochemistry, Poncha Pass, SHRIMP, All tags... Sangre de Cristo Mountains, U-Pb isotopes, USGS Science Data Catalog (SDC), zircon ages, Fewer tags Base flow monitoring for stream temperature and intermittency at Baca National Wildlife Refuge The Baca National Wildlife Refuge is located in the San Luis Valley of South-central Colorado on the western flank of the Sangre de Cristo massif, northwest of the Great Sand Dunes National Park. Wildlife managers at the refuge are tasked with protecting two fish species of special concern, the Rio Grande Chub (Gila pandora) and the Rio Grande Sucker (Catostomus plebeius). The U.S. Geological Survey (USGS) collected surface water data with Stream Temperature, Intermittency, and Conductivity (STIC) instruments deployed at the Baca NWR from 2016–2019. STIC instruments are unique for this type of investigation for the purpose of simultaneously collecting temperature data and an electrical resistance signal to determine... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Baca National Wildlife Refuge, Colorado, Cottonwood Creek, Crestone, Crestone Creek, All tags... GGGSC, Geology, Geophysics, and Geochemistry Science Center, Great Sand Dunes National Park, MRP, Mineral Resources Program, NCCWSC, Rio Grande Chub (Gila pandora), Rio Grande Sucker (Catostomus plebeius), Saguache County, San Luis Valley, Sangre de Cristo mountains, Streamflow, Surface water (non-marine), Temperature (water), USGS Science Data Catalog (SDC), Water sampling, Willow Creek, Fewer tags Data release for Surficial Geology of the Northern San Luis Valley, Saguache, Fremont, Custer, Alamosa, Rio Grande, Conejos, and Costilla Counties, Colorado The San Luis Valley and associated underlying basin of south-central Colorado and north-central New Mexico is the largest structural and hydrologic basin of the Rio Grande Rift and fluvial system. The surrounding San Juan and Sangre de Cristo Mountains reveal evidence of widespread volcanism and transtensional tectonism beginning in the Oligocene and continuing to the present, as seen in fault displacement of Pleistocene to Holocene deposits along the eastern basin-bounding Sangre de Cristo fault system and fault zones along the western margin of the basin. The San Luis basin can generally be subdivided into northern and southern basins at the structural and physiographic high terrain of the San Luis Hills in the... Tags: 3He cosmogenic nuclide, Alamosa, Alamosa County, Alamosa River, Bishop Tuff, All tags... Blanca Peak, Bull Lake glaciation, Center, Chiquita Peak, Colorado, Conejos County, Conejos River, Costilla County, Crestone, Custer County, Del Norte, Fort Garland, Fremont County, Geomorphology, Glaciology, Great Sand Dunes, Greenie Ridge, Hayden Pass, Huckleberry Ridge Tuff, La Jara Creek, La Veta Pass, Lake Alamosa, Lava Creek B, Medano Creek, Medano Pass, Mineral Hot Springs fault, Miocene volcanics, Moffet, Monte Vista, Mosca Pass, Orient Iron Mine, Pinedale Glaciation, Pleistocene Glaciation, Pleistocene river incision, Pliocene volcanics, Poncha Pass, 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, Soil Sciences, Structural Geology, Taos Plateau volcanic field, Terrace Reservoir, Tusas Mountains, USA, USGS Science Data Catalog (SDC), United States, Valley View Hot Springs, Villa Grove, Villa Grove fault zone, Zapata Creek, Zapata Falls, active fault, landslides, 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 glaciation, neotectonics, pre-Bull Lake glaciation, soil carbonate, Fewer tags