Commodities
TertiaryIron, Chromium
Commodity typeM
Materials
Other materialsChromite, Olivine, Opal, Pyroxene, Serpentine
Economic & production
Development statusPast Producer
First production1918
Identification
Deposit ID10141637
MRDS IDW025929
Alternate namesGrassely Claims, Pedro Lease, Horseshoe
RegionNA
Data scoreC
Coordinates37.90432, -120.5052
References
CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 134,PART 3, CHAPTER 1, 1948, P. 26-27.CALIFORNIA DIVISON OF MINES AND GEOLOGY SPECIAL REPORT 41,P. 55, PLATES 2-4.