Sedimentary exhalative (sedex) zinc-lead-silver deposit model
This report draws on previous syntheses and basic research studies of sedimentary exhalative (sedex) deposits to arrive at the defining criteria, both descriptive and genetic, for sedex-type deposits. Studies of the tectonic, sedimentary, and fluid evolut |
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Rare earth element mineral deposits in the United States
Summarizes importance of rare earth elements, characteristics of REE deposits, REE-bearing minerals, and the types of mineral deposits that contain these elements. |
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GIS and data tables for focus areas for potential domestic nonfuel sources of rare earth elements
Locations of focus areas to be used for planning and collection of geophysical, geological, and topographic (lidar) data pertaining to the study of rare earth element resources in the US. |
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