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  3. Mineral Resource Data System (MRDS)

Deadwood-Heidelberg Mine

Past Producer in Lawrence county in South Dakota, United States with commodity Gold
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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. Controls for ore emplacement
  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. Reporter information

Geologic information

Identification information

Deposit ID 10104211
MRDS ID SD02101
Record type Site
Current site name Deadwood-Heidelberg Mine
Alternate or previous names Mascot Mining Company

Geographic coordinates

Geographic coordinates: -103.65946, 44.37302 (WGS84)
Elevation 1524
Relative position 3.25 MI. EAST OF DEADWOOD, 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

Deadwood South(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 004E 20,29 South Dakota

Comments on the location information

  • NW 1/4 SEC. 29 AND SW 1/4 SEC. 20

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock
    Rock unit name Sill Like Porphyry Intrusions
    Rock description Sill Like Porphyry Intrusions
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Pliocene

Nearby scientific data

(1) -103.65946, 44.37302
ListMap

Economic information

Controls for ore emplacement

  • Ore Zone About 375 Feet Above Basal Quartzite

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1911

Mining district

District name Two Bit District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner-Operator
    Owner Mascot Mining Co.

Workings at the site

  • Type of workings Underground
    Length 128.02M
    Overall depth 26.21M
    Overall width 134.11M

Comments on the workings information

  • 420 FOOT ADIT EXTENDING NORTHEAST INTO THE HILLSIDE AND A 440 FOOT CROSSCUT 122 FEET FROM THE PORTAL. NEAR THE INTERSECTION OF THE MAIN DRIFT AND THE CROSSCUT AN 86 FOOT SHAFT EXTENDS TO THE SURFACE.

Comments on development

  • 9 UNPATENTED CLAIMS, LAST DEVELOPMENT IN 1927

Reference information

Bibliographic references

  • Deposit

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

  • Production

    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-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.

Maps centered on this site