California · Calaveras County
Past Producer

Jumper

Calaveras County, California, United States
Gold
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Materials
Ore mineralsGalena, Gold, Pyrite, Sphalerite
GangueQuartz
Geology
Host rockMica Schist
StructureVein Accompanied By Dike
Economic & production
Development statusPast Producer
Identification
Deposit ID10034754
MRDS IDM021648
Alternate namesRose Rock
RegionNA
Data scoreC
Coordinates38.17491, -120.45294
References
CLARK, W.B., LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF. COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P. 160CRAWFORD, J.J., 1896 , CALAVERAS COUNTRY: CALIF. MIN. BUR. 13TH REPORT STATE MINERALOGIST, P. 109LOGAN, C.A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 32 , NO. 3 ; DIV. OF MINES, P. 309