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Red Spar Mine

Past Producer in Custer county in South Dakota, United States with commodities Feldspar, Beryllium, Mica
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10012472
MRDS ID D008118
Record type Site
Current site name Red Spar Mine

Geographic coordinates

Geographic coordinates: -103.72557, 43.69413 (WGS84)
Elevation 1586
Relative position 7.5 MILES SOUTHWEST OF CUSTER, SOUTH DAKOTA.

Site location context

Political divisions (FIPS codes)

Custer(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fourmile(quadrangle 1:24,000 scale)

Mount Rushmore(quadrangle 1:100,000 scale)

Hot Springs(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Angostura Reservoir(hydrologic unit)

Cheyenne(hydrologic accounting unit)

Cheyenne(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Black Hills National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States South Dakota Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 004S 003E 23 NW OF NE South Dakota

Comments on the location information

  • ON LIGHTENING CREEK.

Commodities

Commodity Importance
Feldspar Primary
Beryllium Critical Primary
Mica Primary

Comments on the commodity information

  • THE FELDSPAR IS OF GOOD QUALITY.

Materials information

Materials Type of material
Beryl Ore
Feldspar Ore
Mica Ore

Analytical data

Result THE MICA IS GREEN AND SHOWS AN "A" STRUCTURE.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -103.72557, 43.69413
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description The Dikes Form The Point Of A Ridge

Ore body information

  • General form DIKES
    Strike N15E
    Dip 25E
    Length 60.96M
    Width 7.62M

Comments on the geologic information

  • THE PEGMATITE IS FINE IN TEXTURE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Year of last production 1945

Mining district

District name Unorganized District

Land status

Ownership category
Area name Black Hills

Ownership information

  • Type Owner
    Owner Consolidated Feldspar Corp.
    Home office Trenton, N.J.

Comments on the production information

  • IN 1945 FELDSPAR AND BERYL WERE PRODUCED, NO PRODUCTION DATA IS AVAILABLE.

Workings at the site

  • Type of workings Surface
    Overall depth 3.05M
    Overall length 6.1M
    Overall width 6.1M

Comments on the workings information

  • THREE CUTS HAVE BEEN MADE. ALL THREE ARE APPROXIMATELY 5 TO 10 FEET DEEP.

Reference information

Bibliographic references

  • Deposit

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

  • Production

    U.S. BUREAU OF MINES INFO CIRCULAR 7707.

General comments

Subject category Comment text
Deposit PATENTED. TWO PEGMATITE DIKES. THE FIRST DIKE IS ON THE WEST SIDE. THE SECOND DIKE IS 15 FT FROM THE FIRST AT THE SOUTH END OF THE DEPOSIT AND IS 80 FT LONG AND 10 FT WIDE. IT STRIKES N30E.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1981 Barari, Rachel A. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Maps centered on this site