Commodities
SecondaryCopper
TertiaryCobalt
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
Ore controlShear Zones; Dip Steeply Eastward, Trend In Two Directions, N 10 - 25 W And N 45 - 60 W. Feather Joints Along Walls Of Shear Zones Strike Due To North To N 10 E.
Materials
Ore mineralsChalcopyrite, Cobaltite, Pyrite, Pyrrhotite, Sphalerite
GangueBiotite, Graphite, Muscovite, Quartz
Geology
Host rockSchist
Associated rockDiorite
StructureFaults: Displacement Along Shear Zone Of Up To 50 Ft.
Economic & production
Development statusPast Producer
Production years1919 - 1942
Identification
Deposit ID10067585
MRDS IDW000370
RegionNA
Data scoreB
Coordinates37.14299, -119.94959
References
COX, M. W. AND WYANT, D. G., 1948 , THE JESSE BELLE COPPER MINE, MADERA COUNTY, CA.; COPPER IN CALIFORNIA BULL. 144 DIV. OF MINES, P. 151 - 157 .GOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIFORNIA; CA. JOUR. MINES AND GEOLOGY, VOL. 53 , NOS. 3 & 4 ; P. 543COX AND WYANT, 1948 , P. 156 .UNPUBLISHED CO REPORT; REF. (1)