Commodities
PrimaryGold
SecondaryManganese
Commodity typeM
Deposit
Deposit sizeS
Orebody formPOCKET
Materials
Ore mineralsPyrite
GangueCalcite, Iron, Quartz
Geology
Host rockMeta-Basalt,Andesite
Associated rockDiorite,Lamprophyre,Granite
Economic & production
Development statusPast Producer
Discovery year1888
Identification
Deposit ID10086649
MRDS IDX025901
Alternate namesOro Grande
RegionNA
Data scoreB
Coordinates41.07817, -122.68917
References
BROWN, G. CHESTER, 1913, THE COUNTIES OF SHASTA, SISKIYOU AND TRINITY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 14, PT. 4, P. 896CRAWFORD, J.J., 1894, THIRTEENTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 12, P. 313AVERILL, C.V., 1931, PRELIMINARY REPORT ON THE ECONOMIC GEOLOGY OF THE SHASTA QUADRANGLE: CALIF. JOUR. MINES & GEOLOGY, V. 27, P. 54TUCKER, W.B., 1922, TRINITY COUNTY: CALIF. JOUR. MINES AND GEOLOGY V. 18, P. 600.5) MACDONALD, D.F., 1912, GOLD LODES OF THE CARRVILLE DISTRICT, CA.: U.S. GEOLOGICAL SURVEY BULL. 530-D, P. 35-36.BROWN (1913)