The Red Spar Mine is a beryllium, mica, and feldspar mine located in Custer county, South Dakota at an elevation of 5,203 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: 5,203 Feet (1,586 Meters)
Commodity: Beryllium, Mica, Feldspar
Lat, Long: 43.69417, -103.72500
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.
Red Spar Mine MRDS details
Site Name
Primary: Red Spar Mine
Commodity
Primary: Beryllium
Primary: Mica
Primary: Feldspar
Location
State: South Dakota
County: Custer
District: Unorganized District
Land Status
Administrative Organization: Black Hills
Holdings
Not available
Workings
Type: Surface
Ownership
Owner Name: Consolidated Feldspar Corp.
Home Office: Trenton, N.J.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year Last Production: 1945
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: DIKES
Structure
Type: L
Description: The Dikes Form The Point Of A Ridge
Alterations
Not available
Rocks
Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: THE MICA IS GREEN AND SHOWS AN "A" STRUCTURE.
Materials
Ore: Beryl
Ore: Mica
Ore: Feldspar
Comments
Comment (Commodity): THE FELDSPAR IS OF GOOD QUALITY.
Comment (Production): IN 1945 FELDSPAR AND BERYL WERE PRODUCED, NO PRODUCTION DATA IS AVAILABLE.
Comment (Workings): THREE CUTS HAVE BEEN MADE. ALL THREE ARE APPROXIMATELY 5 TO 10 FEET DEEP.
Comment (Geology): THE PEGMATITE IS FINE IN TEXTURE.
Comment (Deposit): PATENTED. TWO PEGMATITE DIKES. THE FIRST DIKE IS ON THE WEST SIDE. THE SECOND DIKE IS 15 FT FROM THE FIRST AT THE SOUTH END OF THE DEPOSIT AND IS 80 FT LONG AND 10 FT WIDE. IT STRIKES N30E.
Comment (Location): ON LIGHTENING CREEK.
References
Reference (Deposit): U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707
Reference (Production): U.S. BUREAU OF MINES INFO CIRCULAR 7707.
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