Smith Mine

The Smith Mine is a feldspar mine located in Custer county, South Dakota at an elevation of 4,629 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

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.

Site Name

Primary: Smith Mine

Commodity

Primary: Feldspar
Tertiary: Beryllium

Location

State: South Dakota
County: Custer
District: Pringle District

Land Status

Administrative Organization: Black Hills

Holdings

Not available

Workings

Type: Surface

Ownership

Owner Name: Smith

Owner Name: Consolidated Feldspar Corp.
Home Office: Trenton, N.J.

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

Not available

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
Age Young: Neoproterozoic

Analytical Data

Not available

Materials

Ore: Beryl
Gangue: Tourmaline
Gangue: Quartz

Comments

Comment (Commodity): FELDSPAR IS NEARLY PURE IN THE CENTER. NEAR THE WALLS THE FELDSPAR IS MIXED WITH TOURMALINE.

Comment (Location): NEAR THE SOUTH QUARTER CORNER OF THE SECTION, ON THE SMITH RANCH. ON THE LINE BETWEEN THE TWO SECTIONS.

Comment (Production): TOTAL PRODUCTION IS NOT KNOWN, THIS IS ONE OF THE LARGEST FELDSPAR MINES IN THE AREA.

Comment (Deposit): NEAR THE CENTER OF THE PEGMATITE IS A LENS OF NEARLY PURE FELDSPAR.

Comment (Workings): FOUR CUTS WERE MADE INTO THE DEPOSIT.

References

Reference (Deposit): FISHER, D. JEROME, 1945, PRELIMINARY REPORT ON THE MINERALOGY OF SOME PEGMATITES NEAR CUSTER, SOUTH DAKOTA GEOLOGICAL SURVEY REPORT OF INVESTIGATIONS 50.

Reference (Production): USBM INFO CIRC 7707.

Reference (Deposit): U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707.

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