Oreville Spar Mica Mine

The Oreville Spar Mica Mine is a mine located in Pennington county, South Dakota at an elevation of 5,600 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: Oreville Spar Mica Mine

State:  South Dakota

County:  Pennington

Elevation: 5,600 Feet (1,707 Meters)

Commodity:

Lat, Long: 43.8597, -103.62250

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 Oreville Spar Mica Mine

Oreville Spar Mica Mine MRDS details

Site Name

Primary: Oreville Spar Mica Mine


Commodity

Tertiary: Mica
Tertiary: Tin
Tertiary: Feldspar


Location

State: South Dakota
County: Pennington
District: Hill City District


Land Status

Land ownership: National Monument
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.


Holdings

Type: Located Claim


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Mining Method: 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

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Unknown: Amblygonite
Unknown: Beryl
Unknown: Cassiterite
Unknown: Muscovite
Unknown: Feldspar


Comments

Comment (Deposit): PROPERTY IS NOTED FOR ITS OCCURRENCES OF SHEET MICA. CASSIT FOUND ONLY AS A MINOR OCCURRENCE. MINE WORKINGS CONSIST OF A SINGLE LARGE OPEN CUT (100 FT LON FT DEEP, 10-15 FT WIDE) AND NUMEROUS PROSPECT PITS.


References

Reference (Deposit): BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA, PT 2. 1955, USBM IC

Reference (Deposit): P 79.

Reference (Deposit): PAGE, LINCOLN, 1955, PEGMATITE INVESTIGATIONS, 1942-1945, BL

Reference (Deposit): HILLS, SOUTH DAKOTA. USGS PROF PAPER 247, P 174-5.


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