Mine detail: Mahoney 1 Mine

Previously called 'Johnson MineDoak Mine'

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Location

Lat / long: 37.64321, -121.50042

Resource(M)

Tertiary: Manganese, Silica
Other material: Chert, Psilomelane
Discovery year: 1914

Production

Operation type: Underground
Development status: Past Producer
First production started: 1915

Geology

References

MRDSM020146
MAS60770005
DEP10116352
Reference{Deposit:: C.D.M.G. BULL. 152, PP. 226-7 PLATE 10,1950}{Deposit:: U.S. BUREAU OF MINES RI 4580, 1949; NW. OF THE LADD MINE.}
ReporterBurnett