The Warren Draw Mine is a feldspar, beryllium, and mica mine located in Custer county, South Dakota at an elevation of 5,761 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: 5,761 Feet (1,756 Meters)
Commodity: Feldspar, Beryllium, Mica
Lat, Long: 43.74361, -103.71389
Map: View on Google Maps
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Warren Draw Mine MRDS details
Site Name
Primary: Warren Draw Mine
Secondary: Warren Gulch Mine
Commodity
Primary: Feldspar
Primary: Beryllium
Primary: Mica
Location
State: South Dakota
County: Custer
District: Custer 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: Surface/Underground
Ownership
Owner Name: Gladys Wells
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Interior Plains
Physiographic Province: Great Plains Province
Physiographic Section: Black Hills
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR, ANGLE-SHAPED
Structure
Not available
Alterations
Not available
Rocks
Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Albite
Ore: Beryl
Ore: Muscovite
Ore: Plagioclase
Gangue: Triphylite
Gangue: Amblygonite
Gangue: Quartz
Comments
Comment (Deposit): FOUR ZONES-BORDER ZONE OF QUARTZ-PLAGIOCLASE-MUSCOVITE; WALL ZONE OF PLAGIOCLASE-QUARTZ-PERTHITE-MUSCOVITE; INTERMEDIATE ZONE OF QUARTZ AND MUSCOVITE; AND CORE OF PERTHITE AND QUARTZ
Comment (Geology): MOST BERYL IS IN THE WALL ZONE, ASSOCIATED WITH PODLIKE QUARTZ MASSES.
Comment (Location): NW 1/4, SW 1/4
Comment (Production): OVERALL CUMULATIVE PRODUCTION. DATE IS APPROXIMATE.
Comment (Development): ECON.COM: MOST MICA IS SUITABLE ONLY FOR SCRAP, AND IS FOUND IN THE 3 OUTER ZONES.
Comment (Workings): DEVELOPMENT CONSISTS OF 5 OPENCUTS AND A SHALLOW INCLINED SHAFT. THE MAIN OPENCUT IS 75 FEET DEEP.
References
Reference (Deposit): U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707
Reference (Deposit): ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18
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