California · Mariposa County
Past Producer

Iron Duke

Mariposa County, California, United States
Gold
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Ore controlFissure Ore Taken From Where Cutter Veins Join Blue Lead, Or From Cutter Veins Themselves.
Materials
Ore mineralsGold, Marcasite
GangueQuartz
Geology
Host rockSlate,Andesite
Economic & production
Development statusPast Producer
Production years1865 , 1934 - 1935 , 1938 - 1941
Identification
Deposit ID10076870
MRDS IDW024147
RegionNA
Data scoreC
Coordinates37.62214, -120.21655
References
BOWEN, O. E., JR., GRAY, C. H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIFORNIA: CALIF. JOUR. MINES AND GEOLOGY, V. 53 , NOS. 1 AND 2 , PP 113 - 114 .LAIZURE, C. MCK., 1928 , SAN FRANCISCO FIELD DIVISION IN TWENTY-FOURTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA STATE MINING BUREAU, P. 133 .BOWEN & GRAY 1957