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  3. Mineral Resource Data System (MRDS)

Mastiff Group

Occurrence in Pennington county in South Dakota, United States with commodity Copper
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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. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10055652
MRDS ID SD02259
Record type Site
Current site name Mastiff Group

Geographic coordinates

Geographic coordinates: -103.73835, 43.94052 (WGS84)
Elevation 2012
Relative position 1.25 MILES SOUTH-SOUTHWEST OF SOUTH SLATE SCHOOL. ALONG SIX MILE ROAD.

Site location context

Political divisions (FIPS codes)

Pennington(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Medicine Mountain(quadrangle 1:24,000 scale)

Mount Rushmore(quadrangle 1:100,000 scale)

Hot Springs(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Rapid(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 001S 003E 27 South Dakota

Comments on the location information

  • NE 1/4, NE 1/4, ALONG SIX MILE ROAD

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Gangue

Analytical data

Result EXCEEDINGLY SMALL PERCENTAGE OF CHALCOPYRITE

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Schist
    Rock description Schist
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -103.73835, 43.94052
ListMap

Economic information

Comments on the geologic information

  • A THIN ZONE OF SECONDARY MINERALS GIVES WAY TO PYRITE WITHIN A FEW FEET.

Economic information about the deposit and operations

Development status Occurrence
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

Comments on the workings information

  • VIRTUALLY NO WORK HAS BEEN DONE.

Comments on development

  • 2 PATENTED CLAIMS TOTALING 40 ACRES

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

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-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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