Name of site | Bullion gold mine |
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Development | former gold mine |
State | SD |
County | Pennington |
Geographic location: | -103.4203, 43.9007 |
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Fibrous mineral | radiating groups of needles or fibers of cummingtonite"" (Roberts and Rapp, 1965, p. 12) |
Associated minerals | garnet hornblende quartz feldspar |
Host rock types | iron-formation |
Geologic map unit | -103.4203, 43.9007 |
Nearby scientific data | Find additional scientific data near this location |