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This is land use and land coverage digital data collected by the U.S. Geological Survey. The data was converted to an ARC/INFO coverage by the Environmental Protection Agency. The individual coverages were merged by the USGS to form a single coverage. This theme was created specifically for the National Coal Resource Assessment in the Northern Rocky Mountains and Great Plains Region.
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Whole-rock and calcite geochemical data are reported for twelve carbonatite samples collected from the Bear Lodge alkaline complex, Wyoming and from the Mountain Pass mine, California. Calcite geochemical data was collected using electron microprobe and laser ablation inductively coupled plasma-mass spectrometry (LA-ICP-MS) analyses. Reported whole-rock data was measured by inductively coupled plasma-optical emission spectrometry (ICP-OES), inductively coupled plasma-mass spectrometry (ICP-MS), ion selective electrode-fluoride (ISE-F), and wavelength dispersive X-ray fluorescence (WDXRF). Geochemical data are presented in downloadable .csv files. Spatial data of sample collection sites are provided as polygons in...
Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Bear Lodge Mountains, Black Hills, California, California, Carbonatite, All tags...


    map background search result map search result map Carbonatite whole-rock and calcite geochemistry from the Bear Lodge alkaline complex, Wyoming and Mountain Pass mine, California Powder River Basin boundary, 1999 Coal Resource Assessment (prbbndg.shp) Coal Bed Methane Project Area new environmental impact statement area in Powder River Basin. From 1999 National Coal Resource Assessment (prbcbmg.shp) Geology of the Powder River Basin, 1999 National Coal Resource Assessment (prbgeolg) Wyodak-Anderson mine and lease areas in the Powder River Basin, Wyoming and Montana (prbleasg.shp) Land use and land cover in the Powder River Basin area (prblulcg.shp) Coal Bed Methane Project Area new environmental impact statement area in Powder River Basin. From 1999 National Coal Resource Assessment (prbcbmg.shp) Wyodak-Anderson mine and lease areas in the Powder River Basin, Wyoming and Montana (prbleasg.shp) Geology of the Powder River Basin, 1999 National Coal Resource Assessment (prbgeolg) Land use and land cover in the Powder River Basin area (prblulcg.shp) Powder River Basin boundary, 1999 Coal Resource Assessment (prbbndg.shp) Carbonatite whole-rock and calcite geochemistry from the Bear Lodge alkaline complex, Wyoming and Mountain Pass mine, California