California · Nevada County
Past Producer
Washington Chief Con
Nevada County, California, United States
Gold Copper
Land & claims · BLM · live
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Surface manager + active mining claims at this point, live from BLM. The "open to location" notes are a general 1872-Mining-Law guide, not BLM output — decision-support only; verify with BLM MLRS and on the ground before staking or entry.
Commodities
PrimaryGold
SecondaryCopper
Commodity typeMetallic
Deposit
Deposit sizeSmall
WorkingsSurface/Underground
Materials
Ore mineralsGold
GangueBarite, Calcite, Quartz
Geology
Host rockGranite
Associated rockGranite
Structure4 - 5 Ft Thick Shear Zone
Economic & production
Development statusPast Producer
Community notes
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References
LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , PL. 3, no. 56 .MACBOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 257 .SOUTHERN PACIFIC COMPANY, 1964 , MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA, V. 2 , P. 24 , 32 .
Identification
Deposit ID10101324
MRDS IDC011946
Alternate namesJefferson
RegionNA
Data scoreC
Coordinates39.38689, -120.69903
Base: USGS MRDS (public domain, frozen 2011). Community notes © their authors, CC-BY. Land data live from BLM.