The Horseshoe - Comet Mine is a silver and sulfur-pyrite 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: Silver, Sulfur-Pyrite
Lat, Long: 44.32806, -103.63750
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.
Horseshoe - Comet Mine MRDS details
Site Name
Primary: Horseshoe - Comet Mine
Commodity
Primary: Silver
Primary: Sulfur-Pyrite
Secondary: Lead
Secondary: Gold
Tertiary: Copper
Tertiary: Zinc
Location
State: South Dakota
County: Lawrence
District: Galena 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
Not available
Ownership
Not available
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
Alteration Type: L
Alteration Text: Less Oxidized Than Other Mines In The Area
Rocks
Name: Plutonic Rock
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Name: Plutonic Rock
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Plutonic Rock
Role: Associated
Age Type: Host Rock
Age Young: Late Cambrian
Name: Plutonic Rock
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Cambrian
Analytical Data
Not available
Materials
Ore: Pyrite
Ore: Chalcopyrite
Ore: Silver
Ore: Gold
Ore: Galena
Ore: Tetrahedrite
Ore: Sphalerite
Comments
Comment (Commodity): BRECCIATED PYRITE IN SOME SECTIONS
Comment (Location): NE 1/4 , NEAR THE CENTER OF THE NORTH EDGE 150 FEET ABOVE BEAR BUTTE CREEK
Comment (Workings): WORKINGS HAVE BEEN DEVELOPED OVER A VERTICAL RANGE OF NEARLY 100 FEET.
References
Reference (Deposit): US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .
Reference (Deposit): SHAPIRO, LEWIS H., AND GRIES, JOHN P., 1970 , ORE DEPOSITS IN ROCKS OF PALEOZOIC AND TERTIARY AGE OF THE NORTHERN BLACK HILLS, SOUTH DAKOTA, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY.
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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