Mine detail: Grau Mine

Previously called 'North Elder Creek Group'

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Location

Lat / long: 40.02656, -122.67279

Resource(M)

Primary: Chromium
Tertiary: Iron
Other material: Antigorite, Chromite, Enstatite, Magnesite, Olivine
Discovery year: 1886

Production

Operation type: Underground
Development status: Past Producer
First production started: 1942

Geology

References

MRDSW025876
MAS61030008
DEP10165565
Reference{Deposit:: CALIF DIV MINES GEOL BULL 134 CH3 PP133-191 1965.}{Deposit:: USGS BULL 945-G PP190-210 1946.}{Deposit:: CALIF JOUR MINES GEOL V42 NO3 PP183-195 1946.}{Deposit:: CALIF STATE DIV MINES 39TH REPT STATE MINERAL CH1 PP90-92 19}{Deposit:: WFOC MIN PROP FILE.}
ReporterWetzel, Nicholas