Mine detail: Black Diamond

Previously called '*eary'

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Location

Lat / long: 40.6927, -117.55206

Resource(B)

Tertiary: Manganese, Phosphorus-Phosphates, Aluminum, Barium-Barite, Copper, Gold, Iron, Silica
Other material: Jasper, Psilomelane, Pyrolusite, Rhodonite
Discovery year: 1940

Production

Operation type: Surface
Development status: Past Producer
First production started: 1946

Geology

References

MAS320130049
DEP10246728
Reference{Deposit:: BUMINES R. I. 5446 PP. 16 AND 20}{Deposit:: USGS BULL. 710F P. 239 THRU 240}{Deposit:: BUMINES ORE DRESSING STUDIES 1941 CONFIDENTIAL REPORT IN MAS}
ReporterMcmahan