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Climax 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 10011984
MRDS ID D007204
Record type Site
Current site name Climax Mica Mine

Geographic coordinates

Geographic coordinates: -103.55278, 43.76302 (WGS84)
Elevation 1646
Location accuracy 500(meters)
Relative position 2 1/2 MILES SOUTHEAST OF CUSTER, S.D.

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 005E 29 NW South Dakota

Commodities

Commodity Importance
Mica Primary

Comments on the commodity information

  • COMMERCIAL MICA IS FOUND IN THE WALL ZONE. IT IS PALE RUBY IN BOOKS UP TO 2 FEET ACROSS. SOME IS RULED AND AIR STAINED.

Materials information

Materials Type of material
Muscovite Ore
Albite Gangue
Amblygonite Gangue
Quartz Gangue
Triphylite Gangue

Analytical data

Result IN 1943, 4-5 PERCENT OF THE SHEET MICA WAS NO. 1 QUALITY
Result 20 PERCENT WAS NO. 2 QUALITY.

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) -103.55278, 43.76302
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Strike N 55 E
    Dip 90

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Year of first production 1880

Mining district

District name Custer District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner
    Owner J. K. Mining Co.
    Home office Custer, S.D.

Comments on the production information

  • TOTAL VALUE OF $114,000

Workings at the site

  • Type of workings Underground
    Overall depth 54.25M

Comments on the workings information

  • WITH LEVELS AT 80, 110, AND 160 FEET THE MICA BEARING ZONE IS MINED ABOVE THE 160 FOOT LEVEL, BELOW 160 FOOT LEVEL THE PEGMATITE IS TOO NARROW TO BE MINED

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

General comments

Subject category Comment text
Deposit 2 ZONES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-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