Mine detail: Richards Mine

Previously called 'Rough and Ready Mine 1918'

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Location

Lat / long: 37.90825, -120.49239

Resource(M)

Primary: Chromium
Ore: Chromite
Orebody form: LENSE

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer

Geology

Host rock:Calaveras
Host type:Dunite
Structure:Bear Mountain Fault Zone Trending Nw, Shearing In Host Rock Strongly Developed In A N 65-75 W Direction.
Alteration processes:Serpentinization And Silicification Of Host Rock.

References

MRDSM100612
DEP10043707
Reference{Deposit:: STINSON, M. C., 1975, CDMG MINERAL PROPERTY REPORT, UNPUBLISHED}{Deposit:: CATER, F. W. JR., 1948, CDMG BULL 134, PART 3, CHAPT. 1, P. 27, 28.}
ReporterOster, Karel L. (Albers, John P.)