Filters: Tags: "San Juan" County (X) > Types: OGC WFS Layer (X)

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Audiomagnetotelluric sounding data in the Silverton Caldera complex, Colorado, 2018 This data release includes audiomagnetotelluric (AMT) sounding data collected in July 2018 in the Silverton Caldera complex, Colorado, in the Southern Rocky Mountain Volcanic Field, by the U.S. Geological Survey (USGS). Along with geologic mapping, airborne magnetics, airborne electromagnetics, and magnetotellurics, the USGS collected AMT data at 24 sites along four profiles ranging from 3 to 6 kilometers in length across the north-western structural margin of the Silverton caldera in Mineral Basin (MB01-MB05), across the south-eastern margin of the caldera along Cunningham Creek (CC01-CC05), within the caldera in Eureka Graben (EG01-EG05), and within the caldera along upper Cement Creek near the Gold King mine... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: "San Juan" County, AMT, Colorado, Environmental Health, GGGSC, All tags... GPS measurement, Geology, Geophysics, and Geochemistry Science Center, Geophysics, Hydrogeology, MRP, MT, Mineral Resources Program, Mineralogy, Silverton, USGS Science Data Catalog (SDC), Volcanology, Water Quality, apparent resistivity, audiomagnetotelluric, economy, electric field (earth), geophysics, impedance, impedance phase, impedance strike, magnetic field (earth), magnetotelluric, magnetotelluric surveying, sounding, tipper, Fewer tags Airborne electromagnetic and magnetic survey data, Silverton, Colorado, 2019 Airborne electromagnetic (AEM) and magnetic survey data were collected during April and May 2019 along 1,467 line-kilometers in the San Juan-Silverton Caldera complex, Colorado, in the Southern Rocky Mountain Volcanic Field. Data were acquired by Geotech, Ltd. with the versatile time-domain electromagnetic (VTEM-ET) system together with a Geometrics optically pumped cesium vapor magnetometer. The survey was flown at a mean flight height of 140 meters (m) above terrain in various line directions and line spacings ranging from 150 m to 600 m. Multiple variable-spaced lines were flown along rivers and streams in the survey area. USGS provided the contractor with the San Juan National Forest Lidar Point Cloud elevation... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: "Mineral Resources", "San Juan" County, "Structural Geology"], Animas River, Bonita Peak Mining District, All tags... Cement Creek, Colorado, Geology, Geophysics, and Geochemistry Science Center (GGGSC), Mineral Creek, Mineral Resources Program (MRP), San Juan Mountains, Silverton, Silverton Caldera, Southern Rocky Mountains Volcanic Field, USGS Science Data Catalog (SDC), ["Geophysics", aeromagnetic surveying, electromagnetic surveying, environment, geologic structure, geophysics, geoscientificInformation, geospatial datasets, groundwater, hydrogeology, magnetic anomaly maps, magnetic field, resistivity, Fewer tags