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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Black Diamond Mine

Occurrence in Custer county in South Dakota, United States with commodities Lithium, 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 10055721
MRDS ID SD02448
Record type Site
Current site name Black Diamond Mine

Geographic coordinates

Geographic coordinates: -103.5775, 43.70274 (WGS84)
Elevation 1695
Relative position 5.5 MILES SOUTH-SOUTHEAST 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

Cicero Peak(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 004S 005E 18 SW South Dakota

Commodities

Commodity Importance
Lithium Critical Primary
Mica Secondary

Comments on the commodity information

  • SPODUMENE IS 1 - 4 FT THICK

Materials information

Materials Type of material
Muscovite Ore
Spodumene Ore

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) Metamorphosed Black Shale
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Length 198.12M
    Width 73.15M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No
Discovery year 1922

Mining district

District name Custer District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner
    Owner The Sutherland And Bond Families, Custer, South Dakota

Workings at the site

  • Type of workings Surface/Underground
    Area 0.028HA
    Overall depth 6.1M
    Overall length 24.38M
    Overall width 12.19M

Comments on the workings information

  • THE OTHER CUT IS 50 BY 25 BY 14 FT. THE DRIFT IS 20 FT LONG

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

General comments

Subject category Comment text
Deposit LIES ALONG THE SOUTH AND WEST SLOPE OF A 150 FT RIDGE. AT THE NORTH END THE PEGMATITE IS ONLY 14 FT WIDE. ONE UNPATENTED CLAIM

Reporter information

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

Beyond USGS

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

Maps centered on this site