Commodities
PrimaryGold
Commodity typeM
Materials
Ore mineralsGold, Pyrite
GangueCalcite, Feldspar, Quartz
Geology
Host rockSlate
Associated rockSlate · Mariposa Formation
StructureStruct Of Gen Area Is Of Tightly Compressed, Steeply Plunging Folds With Thrust Faults Dipping 20 To 35 E Have Disrupted Contacts And In Some Cases Localized Gold Mineralization. Main Fault Offset Vein And Ore Shoot 200 Ft Btwn. 400 And 500 Ft Level. Small Amt. Of Gold Recovered Below Fault.
Economic & production
Development statusPast Producer
Production years1934 - 1942
Identification
Deposit ID10007027
MRDS IDC008022
RegionNA
Data scoreB
Coordinates38.85768, -120.84824
References
CLARK, W. B., AND CARLSON, D. W., 1956 , MINES AND MINERAL RESOURCES OF EL DORADO CO., CALIF.: CALIF. JOUR. OF MINES AND GEOL., VOL. 52 , NO. 4 , PG. 409 - 411 , 488 AND PL 10 .LOGAN, C. A., 1935 , MOTHER LODE GOLD BELT OF CALIF.: CALIF. DIV. MINES BULL. 108 , PG. 20 - 21 .LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. OF MINES AND GEOL., VOL. 34 , NO. 3 , PG. 223 - 224 , 259 .CLARK ( 1956 )