Mine detail: Madeira Claim

Previously called ''

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Location

Lat / long: 38.59321, -123.01136

Resource(M)

Primary: Chromium
Ore: Chromite
Orebody form: LENSE

Production

Operation type: Unknown
Production size: None
Development status: Occurrence
Last production ended: 1916

Geology

Host type:Serpentinite

References

MRDSM100313
DEP10095692
Reference{Deposit:: LOGAN, C.A., 1918, CHROMIUM, IN BRADLEY, W.W., AND OTHERS, MANGANESE AND CHROMIUM IN CALIFORNIA: CALIF. STATE MINING BUREAU BULLETIN NO. 76, P. 201.}{Deposit:: DOW, D.H. AND THAYER, T.P., 1946, GEOLOGICAL INVESTIGATIONS OF CHROMITE IN CALIF.: CALIF. DIVISION OF MINES BULLETIN 134 PART 2, CHAPT. 1, P 27, 36.}
ReporterOster, Karel L. (Albers, John P.)