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  3. Mineral Resource Data System (MRDS)

Bald Mountain Mining Company

Past Producer in Lawrence county in South Dakota, United States with commodities Gold, Silver
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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. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10055449
MRDS ID SD02001
Record type Site
Current site name Bald Mountain Mining Company

Geographic coordinates

Geographic coordinates: -103.8353, 44.3544 (WGS84)
Elevation 1853
Relative position 4.8 KM WEST OF LEAD, SOUTH DAKOTA

Site location context

Political divisions (FIPS codes)

Lawrence(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lead(quadrangle 1:24,000 scale)

Rapid City(quadrangle 1:100,000 scale)

Rapid City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Belle Fourche(hydrologic unit)

Belle Fourche(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 Lawrence

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 005N 002E 35 South Dakota

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Silver Ore

Alteration

  • (Local) Dolomite Beds Replaced Outward From The Fractures

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Pliocene

Nearby scientific data

(1) -103.8353, 44.3544
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Black Hills

Ore body information

  • Dip 90

Controls for ore emplacement

  • Vertical Mineralized Fractures. Produces From Both Upper And Lower Ore Horizons. Produces From Both Upper And Lower Ore Horizons

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1877

Mining district

District name Bald Mountain (Portland) District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner-Operator
    Owner Bald Mountain Mining Co.

Comments on the production information

  • MINES OWNED BY BALD MOUNTAIN MINING COMPANY COUNTED AS ONE MINE FOR PRODUCTION FIGURES. INCLUDES BALD MOUNTAIN, DAKOTA, PORTLAND, CLINTON, DECORAH AND FOLGER MINES. LOCATIONS IN SEPARATE RECORDS.

Comments on development

  • 2250 AC. OF MINING CLAIMS ; ECON.COM: 325 TON CYANIDE MILL AT TROJAN, SOUTH DAKOTA

Reference information

Bibliographic references

  • Deposit

    U. S. GEOLOGICAL SURVEY, U. S. BUREAU OF RECLAMATION, AND SOUTH DAKOTA GEOLOGICAL SURVEY, 1975 , MINERAL AND WATER RESOURCES OF SOUTH DAKOTA, SOUTH DAKOTA GEOLOGICAL SURVEY BULLETIN 16

  • Deposit

    US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1978 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