The Mountain Beryl Claim is a feldspar, beryllium, and mica mine located in Custer county, South Dakota at an elevation of 5,121 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: 5,121 Feet (1,561 Meters)
Commodity: Feldspar, Beryllium, Mica
Lat, Long: 43.63194, -103.61389
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.
Mountain Beryl Claim MRDS details
Site Name
Primary: Mountain Beryl Claim
Commodity
Primary: Feldspar
Primary: Beryllium
Primary: Mica
Location
State: South Dakota
County: Custer
District: Pringle District
Land Status
Administrative Organization: Black Hills
Holdings
Not available
Workings
Not available
Ownership
Owner Name: S. T. Gambler
Home Office: Custer S.D.
Years: 1942 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
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: 2 DIKES
Structure
Not available
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
Not available
Materials
Ore: Beryl
Ore: Feldspar
Gangue: Quartz
Gangue: Tourmaline
Gangue: Columbite
Gangue: Biotite
Comments
Comment (Production): YEARS UNKNOWN.
Comment (Deposit): THE 2ND DIKE IS 10 BY 400 FT. UNPATENTED 20 ACRE CLAIM.
Comment (Workings): 5 SHALLOW PROSPECT PITS.
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): USGS PP 247, P. 162.
Reference (Production): USBM INFO CIRCULAR 7707, P. 164.
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