Mine detail: Callahan Prospect

Previously called ''

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Location

Lat / long: 37.9813, -120.75018

Resource(M)

Tertiary: Manganese
Ore: Psilomelane, Rhodonite

Production

Operation type: Unknown
Production size: None
Development status: Prospect

Geology

References

MRDSM005737
DEP10028640
Reference{Deposit:: CALIF. B. 152,P. 40-41; B. 125, P. 106}{Deposit:: EC. MINERAL MAP NO. 5, 1943}{Deposit:: USBM R.I. 5579, P. 22}{Deposit:: CALIF. COUNTY REPT. NO. 2 , P. 211 AND PL. D; USGS MR-23}
ReporterGere, W., Von Dohlen, E.; Albers, J.