California · Siskiyou County
Past Producer

Blue Ledge

Siskiyou County, California, United States
CopperZincSilverGoldLead
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper, Zinc
SecondarySilver, Gold, Lead
Commodity typeM
Deposit
Model184: Massive sulfide, kuroko
Deposit sizeS
WorkingsUnderground
Orebody formLENTICULAR
Materials
Ore mineralsChalcopyrite, Galena, Limonite, Malachite, Pyrite, Pyrrhotite, Sphalerite
GangueBiotite, Calcite, Quartz, Tourmaline
Geology
Host rockSchist
AlterationQuartz-Sericite
Economic & production
Development statusPast Producer
Production years1917 - 1920 AND 1929 - 1930
Identification
Deposit ID10072341
MRDS IDW017560
RegionNA
Data scoreB
Coordinates41.94983, -123.10113
References
AVERILL, C. V., 1935 , MINES AND MINERAL RESOURCES OF SISKIYOU COUNTY; JOUR. MINES AND GEOLOGY; VOL. 31 , NO. 3 , P. 271 - 272GOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIFORNIA; JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 3 & 4 P. 701.O'BRIEN, J. C., 1947 , MINES AND MINERALS OF SISKIYOU COUNTY: JOUR. MINES AND GEOLOGY VOL. 43 , NO. 4 , P. 424.GOODWIN, J. G., 1957 , (SEE REF.)