California · Trinity County
Past Producer

Black Jack Occurrence

Trinity County, California, United States
Chromium
⌖ Show on mapUSGS source ↗
Commodities
PrimaryChromium
Commodity typeM
Deposit
Deposit sizeS
Orebody formLENSE
Materials
Ore mineralsChromite
Economic & production
Development statusPast Producer
First production1917
Last production1917
Identification
Deposit ID10043469
MRDS IDM100237
RegionNA
Data scoreC
Coordinates40.41902, -123.22639
References
WELLS, F.G. AND HAWKES, H.E., 1965, CDMG BULL 134, PART 1, CHAPT. 3, P. 169, 172.O'BRIEN, J.C., 1965, CDMG COUNTY REPORT NO. 4, P. 56.CDMG BULL 134, PT. 1, CHAPT. 3, P. 172