California · El Dorado County
Past Producer

Union

El Dorado County, California, United States
Gold
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
Commodity typeM
Deposit
Deposit sizeM
WorkingsSurface/Underground
Materials
Ore mineralsGold
GangueQuartz
Geology
Host rockSlate
Economic & production
Development statusPast Producer
Identification
Deposit ID10101079
MRDS IDC007696
Alternate namesSpringfield
RegionNA
Data scoreC
Coordinates38.64712, -120.82824
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. 427 , 428 , 536 .LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. MINES AND GEOL., VOL. 34 , NO. 3 , PL. 2 .LOGAN, C. A., 1935 , MOTHER LODE GOLD BELT OF CALIF.: CALIF. DIV. MINES BULL. 108 , PG. 42 , 43 .CLARK AND CARLSON, 1956 , LOGAN, 1935 .