The Eldorado Custer County is a gold and silver mine located in Custer county, South Dakota at an elevation of 6,040 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 6,040 Feet (1,841 Meters)
Commodity: Gold, Silver
Lat, Long: 43.82556, -103.64889
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Eldorado Custer County MRDS details
Site Name
Primary: Eldorado Custer County
Secondary: Old Bill Group
Commodity
Primary: Gold
Primary: Silver
Location
State: South Dakota
County: Custer
District: Unorganized District
Land Status
Administrative Organization: Black Hills
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: Group Of Custer Men.
Home Office: Custer, S.D.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year Last Production: 1937
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Interior Plains
Physiographic Province: Great Plains Province
Physiographic Section: Black Hills
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Slate
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Gold
Ore: Silver
Gangue: Quartz
Comments
Comment (Commodity): RICHEST GOLD ORE IS NEAR THE HANGING WALL.
Comment (Production): FROM 20 TONS QUARTZ.
Comment (Deposit): 10 PATENTED CLAIMS. QUARTZ FISSURE VEINS CUT OBLIQUELY ACROSS HOST ROCKS.
Comment (Workings): MAIN SHAFT IS 6 X 8 FT.
References
Reference (Deposit): USBM INFO CIRC 7707, P. 86
Reference (Production): USBM INFO CIRC 7707, P. 86.
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