The Trojan Mine is a silver and gold mine located in Lawrence county, South Dakota at an elevation of 6,401 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: 6,401 Feet (1,951 Meters)
Commodity: Silver, Gold
Lat, Long: 44.34444, -103.83417
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.
Trojan Mine MRDS details
Site Name
Primary: Trojan Mine
Commodity
Primary: Silver
Primary: Gold
Location
State: South Dakota
County: Lawrence
District: Bald Mountain District
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Bald Mountain Mining Co.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
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
Form: IRREGULAR
Structure
Not available
Alterations
Not available
Rocks
Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Rhyolite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Late Cambrian
Name: Rhyolite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Cambrian
Analytical Data
Not available
Materials
Ore: Gold
Ore: Silver
Comments
Comment (Deposit): THE SOUTH END OF THE ORE BODY IS REPORTED TO HAVE BEEN DIVIDED BY A RHYOLITE DIKE. HIGH SILVER VALUES.
Comment (Workings): IRREGULAR STOPE
Comment (Location): IN THE EXTREME NORTHWEST CORNER OF SECTION
Comment (Production): HIGH SILVER VALUES WERE CHARACTERISTIC OF THE ORE
References
Reference (Production): US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .
Reference (Deposit): US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688
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