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  3. Mineral Resource Data System (MRDS)

Grant Mine

Past Producer in Custer county in South Dakota, United States with commodities Gold, Silver, Tungsten
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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. Controls for ore emplacement
  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 10010802
MRDS ID D004783
Record type Site
Current site name Grant Mine
Alternate or previous names Wild Rose Group

Geographic coordinates

Geographic coordinates: -103.55556, 43.79496 (WGS84)
Elevation 1646
Relative position 2 MILES NORTHEAST 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 005E 17 South Dakota

Comments on the location information

  • NW 1/4, NW 1/4

Commodities

Commodity Importance
Gold Primary
Silver Primary
Tungsten Critical Secondary

Materials information

Materials Type of material
Gold Ore
Silver Ore
Quartz Gangue
Wolframite Unknown

Host and associated rocks

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

Nearby scientific data

(1) -103.55556, 43.79496
ListMap

Economic information

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Fissure

Comments on the geologic information

  • THE SCHIST AND SLATE ARE INTENSELY DISTORTED AND FRACTURED.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Unorganized District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner
    Owner Jesse Harris

Comments on the production information

  • A VERY SMALL AMOUNT WAS MINED AND MILLED.

Workings at the site

  • Type of workings Surface/Underground
    Length 56.39M
    Overall depth 60.96M

Comments on the workings information

  • SEVERAL SMALL OPEN CUTS AND SEVERAL SMALL, NARROW STOPES. 185 FEET OF DRIFTS ON 50 FOOT LEVEL; 170 FEET ON THE 100 FOOT LEVEL AND A WINCE TO 200 FOOT LEVEL

Comments on development

  • 3 UNPATENTED LODE CLAIMS, APPROXIMATELY 60 ACRES ; ECON.COM: SCATTERED NATURE OF THE ORE SHOOTS MAKES LARGE-SCALE MINING IMPOSSIBLE. THE GRADE OF ORE WOULD NOT SUPPORT SMALL-SCALE SELECTIVE MINING.

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 IRREGULAR QUARTZ FISSURE VEIN

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.

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