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  3. Mineral Resource Data System (MRDS)

Decorah Mine

Past Producer in Lawrence county in South Dakota, United States with commodities Gold, Silver, Lead
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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. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10055531
MRDS ID SD02100
Record type Site
Current site name Decorah Mine

Geographic coordinates

Geographic coordinates: -103.83197, 44.34357 (WGS84)
Elevation 1939
Relative position EAST SIDE OF GREEN MOUNTAIN ABOUT 3 MI. SOUTHWEST 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)

Geographic areas

Country State County
United States South Dakota Lawrence

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 004N 002E 01 South Dakota

Comments on the location information

  • NW 1/4

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Secondary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Silver Ore

Nearby scientific data

(1) -103.83197, 44.34357
ListMap

Economic information

Ore body information

  • Strike N 35 E
    Dip 90
    Thickness 1.22M
    Width 30.48M

Controls for ore emplacement

  • Upper Contact Zone; Two Parallel Vertical Fractures

Economic information about the deposit and operations

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

Mining district

District name Bald Mountain District

Ownership information

  • Type Owner-Operator
    Owner Bald Mountain Mining Co.

Reference information

Bibliographic references

  • Deposit

    US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 1, BUREAU OF MINES INFORMATION CIRCULAR 7688 .

  • Deposit

    ROBERTS, W. L., AND RAPP, GEORGE, 1965 , MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18 .

  • Production

    US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 1 , BUREAU OF MINES INFORMATION CIRCULAR 7688 .

General comments

Subject category Comment text
Deposit TWO PARALLEL VERTICAL FRACTURES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1979 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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