Mountain Beryl Claim

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

Name: Mountain Beryl Claim  

State:  South Dakota

County:  Custer

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.


Satelite image of the Mountain Beryl Claim

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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