Mine detail: Fortner Ranch Prospect

Previously called ''

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Location

Lat / long: 38.22574, -120.66407

Resource(M)

Tertiary: Manganese
Ore: Psilomelane, Pyrolusite, Spessartite

Production

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

Geology

References

MRDSM006074
DEP10028845
Reference{Deposit:: CALIF. B. 152, P. 42-43; B. 125, P. 106; B.76, P.31}{Deposit:: EC MINERAL MAP NO.5, 1943}{Deposit:: USBM R.I. 5579, P.22}{Deposit:: REPT. 21 , P. 163 ; COUNTY REPT. NO. 2 , P. 212 AND PL. D; USGS MR-23}
ReporterGere, W., Von Dohlen, E.; Albers, J.