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A mineral resource assessment was performed by the U.S. Geological Survey (USGS) to assess the potential of undiscovered skarn-hosted tungsten resources in the Northern Rocky Mountain region of eastern Idaho and western Montana. This region has seen moderate tungsten trioxide (WO3) production in the past from a variety of mineralization styles including skarn, vein and replacement, and wolframite-quartz veins. The geology of the area is dominated by large plutons of Cretaceous to Tertiary age, emplaced into a belt of sedimentary rock ranging from Mesoproterozoic to Permian age, and affected by tectonism related to the Sevier and later Laramide orogenies. Known tungsten (W) skarn mineral sites are associated with...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Ashton, Bald Mountain, Beaverhead County, Bitterroot Range, Boise County, All tags...
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This dataset shows Marinas within the Gulf of Mexico
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Alabama, Aransas County, Baldwin County, Boat, Boat Ramps, All tags...
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The data release for the geologic map of the Butte 1 degree x 2 degrees quadrangle, Montana, is a Geologic Map Schema (GeMS)-compliant version that updates the GIS files for the geologic map published in Montana Bureau of Mines and Geology Open File Report MBMG 363 (Lewis, 1998). The updated digital data present the attribute tables and geospatial features (points, lines and polygons) in the format that meets GeMS requirements. This data release presents the geologic map as shown on the plates and captured in geospatial data for the published map. Minor errors, such as mistakes in line decoration or differences between the digital data and the map image, are corrected in this version. The database represents the...


    map background search result map search result map Marinas in the Gulf of Mexico Spatial data associated with tungsten skarn resource assessment of the Northern Rocky Mountains, Montana and Idaho GIS Data for Geologic Map of the Butte 1 x 2 Degrees Quadrangle, Montana GIS Data for Geologic Map of the Butte 1 x 2 Degrees Quadrangle, Montana Spatial data associated with tungsten skarn resource assessment of the Northern Rocky Mountains, Montana and Idaho Marinas in the Gulf of Mexico