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White Dog Mica Mine

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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  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 10010801
MRDS ID D004782
Record type Site
Current site name White Dog Mica Mine

Geographic coordinates

Geographic coordinates: -103.62195, 43.75746 (WGS84)
Elevation 1643
Relative position 1 MILE 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

Custer(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

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 003S 004E 27 South Dakota

Comments on the location information

  • SE 1/4

Commodities

Commodity Importance
Mica Primary

Materials information

Materials Type of material
Muscovite Ore
Albite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Pegmatite
    Rock description Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Schist
    Rock description Schist

Nearby scientific data

(1) -103.62195, 43.75746
ListMap

Economic information

Ore body information

  • General form IN ECHELON
    Strike N 33 W
    Dip 50 SW
    Thickness 1.22M
    Length 25.3M

Economic information about the deposit and operations

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

Mining district

District name Custer District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner
    Owner Ralph D. Turner, Lawrence Neimen And Patrick Dudley

Comments on the production information

  • SOME OF THE SHIPMENTS CONTAINED UP TO 50 PERCENT NO. 1 AND NO 2 QUALITY SHEET MICA.

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 24.38M
    Overall length 23.47M

Comments on the workings information

  • DEVELOPMENT INCLUDES AN INCLINED SHAFT WITH SHORT DRIFTING AT 33- AND 80- FOOT LEVELS AND AN OPEN PIT THAT IS 17 FEET DEEP.

Comments on development

  • ECON.COM: MICA IS GOOD QUALITY, WHITE TO LIGHT RUBY.

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

    ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18

  • Production

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

General comments

Subject category Comment text
Deposit 2 SMALL PEGMATITES. THE SECOND PEGMATITE IS 90 FEET LONG AND 4 FEET WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1980 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