Commodities
PrimaryChromium
Commodity typeM
Deposit
WorkingsSurface, Underground
Materials
Other materialsChromite, Magnetite, Olivine, Pyroxene, Serpentine
Economic & production
Development statusPast Producer
First production1917
Discovery year1880
Identification
Deposit ID10286725
MRDS IDW025008
Alternate namesSan Juan Mine, Sweetwater Chrome Mine, San Juan Chrome Mine, Pierce and Benadon Group
RegionNA
Data scoreB
Coordinates35.41827, -120.75428
References
CALIF. STATE MINING BUR. BULLETIN 76, 1918, P. 177-178.CALIF. JOUR. MINES AND GEOL. V. 37, 1941, P. 140.U.S. GEOLOGICAL SURVEY BULLETIN 945-B, 1944, P. 36-37.U.S. BUREAU OF MINES RI 4783, 1951, P. 3-4.CALIF. DIV. MINES BULLETIN 134, 1953, PART II, CHAPT. 2,P. 67.