Mine detail: Ladd Mine

Previously called ''

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Location

Lat / long: 37.60681, -121.49682

Resource(B)

Tertiary: Phosphorus-Phosphates, Manganese, Barium-Barite, Calcium, Iron, Silica, Aluminum
Other material: Chert, Psilomelane, Rhodochrosite, Rhodonite
Discovery year: 1867

Production

Operation type: Unknown
Development status: Unknown
First production started: 1867

Geology

References

MRDSM024304
MAS60770004
DEP10286747
Reference{Deposit:: MANGANESE IN CALIFORNIA DM&G BULLETIN 152 PP 223-6,1950}{Deposit:: D.M.G. BULL. 76, PG. 76,1918}{Deposit:: U.S.B.M. REP. OF INVESTIGATION 4580,1949}
ReporterWestern Field Operations Center (WFOC)