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Bullion Mine Pennington County

Past Producer in Pennington county in South Dakota, United States with commodities Gold, Silver, Arsenic
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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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  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 10101678
MRDS ID D007167
Record type Site
Current site name Bullion Mine Pennington County

Geographic coordinates

Geographic coordinates: -103.41945, 43.89829 (WGS84)
Elevation 1372
Relative position 1/4 MILE NORTH OF KEYSTONE, S.D. AND IMMEDIATELY NORTH OF THE KEYSTONE-HOLY TERROR GROUP OF CLAIMS.

Site location context

Political divisions (FIPS codes)

Pennington(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Rushmore(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 Pennington

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 002S 006E 05 SE OF SE South Dakota

Commodities

Commodity Importance
Gold Primary
Silver Primary
Arsenic Critical Secondary

Comments on the commodity information

  • ORE FROM LOWER LEVELS WAS HIGHER GRADE BUT IS DIFFICULT TO TREAT BECAUSE OF THE SULFIDES.

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Pyrrhotite Ore
Ankerite Gangue
Biotite Gangue
Chlorite Gangue
Cummingtonite Gangue
Garnet Gangue
Graphite Gangue
Hornblende Gangue
Quartz Gangue
Sphalerite Gangue

Alteration

  • (Local) Surface Ore Is Oxidized

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -103.41945, 43.89829
ListMap

Economic information

Ore body information

  • General form IRREGULAR LENTICULAR
    Width 9.14M

Controls for ore emplacement

  • Shear Zone Along Diorite Dike

Comments on the geologic information

  • THREE SHOOTS RANGING IN WIDTH FROM 10 TO 30 FEET. A SMALLER VEIN LIES EAST OF THE MAIN VEIN, 8 TO 10 FT WIDE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1877
Year of last production 1930

Mining district

District name Keystone District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Comments on the production information

  • SEVERAL THOUSAND TONS OF OXIDIZED SURFACE ORE WAS MINED AND MILLED ABOUT 1900. NEARLY 100,000 POUNDS OF WHITE ARSENIC WAS RECOVERED FROM CONCENTRATES SHIPPED TO THE GLOBE SMELTER.

Comments on the reserve resource information

  • CONTAINING $12.75 A TON IN GOLD.

Workings at the site

  • Type of workings Surface/Underground
    Overall length 60.96M

Comments on the workings information

  • DEVELOPMENT IS BY CROSSCUTS FROM THE SURFACE AND BY DRIFTS AND CROSSCUTS FROM A SHAFT AT THE NEARBY COLUMBIA MINE. A SMALLER VEIN LYING TO THE EAST OF THE MAIN VEIN IS 8 TO 10 FEET WIDE AND HAS BEEN DEVELOPED THROUGH A LENGTH OF 100 FEET

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

  • 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 THREE SHOOTS RANGING IN WIDTH FROM 10 TO 30 FEET. A SMALLER VEIN LIES EAST OF THE MAIN VEIN, 8 TO 10 FT WIDE.

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.

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