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Stratabound copper-silver deposits of the Mesoproterozoic Revett Formation, Montana and Idaho with a section on databases and spatial-data files for the geology and mineral deposits of the Revett Formation
Includes deposits, occurrences, and prospects; drill core logs and measured sections; and spatial databases for geologic maps, untested exploration areas, and permissive tracts for undiscovered mineral deposits. |
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Geology and resource assessment of the Venezuelan Guayana Shield at 1:500,000 scale
Mineral resource assessment of the Venezuelan Guayana Shield, including geologic unit map |
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| Geologic map of the Río Caura 2 degree x 3 degree Quadrangle, Estado Bolívar and Estado Amazonas, Venezuela | Info |