Mine detail: Black Rock Mine

Previously called 'Nigger Joe'

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Location

Lat / long: 40.5985, -117.22875

Resource(B)

Tertiary: Aluminum, Barium-Barite, Calcium, Gold, Iron, Manganese, Phosphorus-Phosphates, Silver
Other material: Chalcedony, Chert, Psilomelane, Pyrolusite, Wad
Discovery year: 1940

Production

Operation type: Surface
Development status: Past Producer
First production started: 1941

Geology

References

MAS320150014
DEP10198228
Reference{Deposit:: USBM RPT OF INVEST 4713, 1950, P. 1}{Deposit:: USGS PROF PAPER 459B, 1965, P. B1-B94.}{Deposit:: USBM RPT OF INVEST. 5163, 1955, P. 5}{Deposit:: USBM RPT OF INVEST. 54463, 1959, P. 23.}{Deposit:: MAS FILE ON PROJECT 312.}
ReporterMcmahan