Commodities
PrimaryGold
SecondaryManganese
TertiaryIron
Commodity typeM
Deposit
Deposit sizeS
Orebody formSEAMS, STRINGERS
Ore controlFaults
Materials
Ore mineralsGold, Hematite, Psilomelane, Rhodonite
GangueLimonite, Quartz
Geology
Host rockDiabase
Associated rockSlate,Argillite,Chert
StructureDikes, 2 - 10 Ft. Thick, Cut Associated Rocks, Which Strike N To N 45 W And Dip 60 Ne To Nearly Vertical.
AlterationDikes Highly Altered; Soft, Crumbly Porphyritic Rock Rich In Hematite And Limonite.
Economic & production
Development statusPast Producer
Identification
Deposit ID10101300
MRDS IDC011589
RegionNA
Data scoreB
Coordinates39.33461, -120.95659
References
LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY; CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , PL. 3 .SOUTHERN PACIFIC COMPANY, 1964 , MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA, V. 2 , P. 31 , 60 .MACBOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 229 .TRASK, P. D., WILSON, I. F., AND SIMONS, F. S., 1943 , MANGANESE DEPOSITS OF CALIFORNIA, A SUMMARY REPORT: CALIFORNIA DIVISION OF MINES AND GEOLOGY, BULL. 125 , P. 148 .