McKinnon and Miller's Claim

Occurrence in Pennington county in South Dakota, United States with commodities Tungsten, Feldspar, Mica
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. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10055662
MRDS ID SD02271
Record type Site
Current site name McKinnon and Miller's Claim

Geographic coordinates

Geographic coordinates: -103.54223, 43.88802 (WGS84)
Elevation 1585
Relative position 4.5 MILES SOUTHEAST OF HILL CITY, SOUTH DAKOTA

Site location context

Political divisions (FIPS codes)

Pennington(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hill City(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 005E 08 South Dakota

Comments on the location information

  • SE 1/4

Commodities

Commodity Importance
Tungsten Critical Primary
Feldspar Primary
Mica Primary

Materials information

Materials Type of material
Feldspar Ore
Muscovite Ore
Wolframite Ore
Garnet Gangue
Quartz Gangue
Tourmaline Gangue

Analytical data

Result WOLFRAMITE IS 71.4% FEW04 AND 28.6% MNW04

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Pegmatite
    Rock description Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -103.54223, 43.88802

Economic information

Ore body information

  • General form DIKE
    Strike N-S
    Dip 75 W
    Thickness 0.91M

Comments on the geologic information

  • WOLFRAMITE OCCURS AS SMALL SEGREGATIONS IN A PEGMATITE DIKE, AND IS ASSOCIATED WITH QUARTZ AND GARNET.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Unorganized District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Workings at the site

  • Type of workings Surface
    Overall length 60.96M

Comments on the workings information

  • NUMEROUS SMALL TEST PITS SCATTERED ALONG THE STRIKE FOR 200 FEET

Comments on development

  • 1 UNPATENTED CLAIM OF APPROXIMATELY 20 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

General comments

Subject category Comment text
Deposit A SECOND DIKE PARALLEL TO THE OTHER DIKE, LIES 100 FT TO THE WEST. IT IS THINNER BUT RELATIVELY RICHER THAN THE MAIN PEGMATITE.

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.

External references