The Deadwood-Heidelberg Mine is a gold mine located in Lawrence county, South Dakota at an elevation of 5,000 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: 5,000 Feet (1,524 Meters)
Commodity: Gold
Lat, Long: 44.37306, -103.65889
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.
Deadwood-Heidelberg Mine MRDS details
Site Name
Primary: Deadwood-Heidelberg Mine
Secondary: Mascot Mining Company
Commodity
Primary: Gold
Location
State: South Dakota
County: Lawrence
District: Two Bit District
Land Status
Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Administrative Organization: Black Hills National Forest
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Mascot Mining Co.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Discovery Year: 1911
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: Plutonic Rock
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Name: Plutonic Rock
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Cambrian
Name: Plutonic Rock
Role: Associated
Age Type: Host Rock
Age Young: Late Cambrian
Name: Plutonic Rock
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Gold
Comments
Comment (Location): NW 1/4 SEC. 29 AND SW 1/4 SEC. 20
Comment (Development): 9 UNPATENTED CLAIMS, LAST DEVELOPMENT IN 1927
Comment (Workings): 420 FOOT ADIT EXTENDING NORTHEAST INTO THE HILLSIDE AND A 440 FOOT CROSSCUT 122 FEET FROM THE PORTAL. NEAR THE INTERSECTION OF THE MAIN DRIFT AND THE CROSSCUT AN 86 FOOT SHAFT EXTENDS TO THE SURFACE.
References
Reference (Deposit): US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688
Reference (Production): US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .
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