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McKirahan Mica Prospect

Past Producer in Custer county in South Dakota, United States with commodity 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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10012480
MRDS ID D008127
Record type Site
Current site name McKirahan Mica Prospect

Geographic coordinates

Geographic coordinates: -103.45973, 43.63829 (WGS84)
Elevation 1341
Location accuracy 500(meters)
Relative position 8 MILES NORTHEAST OF PRINGLE, 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

Mount Coolidge(quadrangle 1:24,000 scale)

Mount Rushmore(quadrangle 1:100,000 scale)

Hot Springs(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Cheyenne-Spring(hydrologic unit)

Cheyenne(hydrologic accounting unit)

Cheyenne(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Wind Cave National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States South Dakota Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 005S 006E 06 SW OF SW South Dakota

Comments on the location information

  • WIND CAVE NATIONAL PARK.

Commodities

Commodity Importance
Mica Primary

Materials information

Materials Type of material
Muscovite Ore
Albite Gangue
Biotite Gangue

Alteration

  • (Local) Iron Staining, Weathering

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 Metamorphic Rock > Schist

Nearby scientific data

(1) -103.45973, 43.63829
ListMap

Economic information

Ore body information

  • General form IRREGULAR

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No

Mining district

District name Pringle District

Ownership information

  • Type Operator
    Owner Edward C. Gray And Langford Landis
    Home office Custer, S.D.
    First year 1942
  • Type Owner
    Owner Orien Mckirahan
    Home office Buffalo Gap, S.D.

Workings at the site

  • Type of workings Surface
    Area 0.003HA
    Overall depth 5.49M
    Overall length 6.1M
    Overall width 4.57M

Comments on development

  • PATENTED 1903 BY JAMES COLE.

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.

  • Deposit

    USGS PP 247, P. 148.

  • Production

    USBM INFO CIRC 7707.

General comments

Subject category Comment text
Deposit PATENTED HOMESTEAD. HARD, RUBY MICA IN BOOKS UP TO 8 INCHES IN DIAMETER MAKES UP FROM 10 - 15% OF THE PEGMATITE. ABOUT 30% OF THE MICA IS CLEAR; THE REST IS BLACK-STAINED.

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.

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