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Highview Prospect

Past Producer in Custer county in South Dakota, United States with commodities Beryllium, Lithium, Mica
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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. Ore body information
  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. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10055697
MRDS ID SD02316
Record type Site
Current site name Highview Prospect

Geographic coordinates

Geographic coordinates: -103.70835, 43.7494 (WGS84)
Elevation 1765
Relative position 6 MILES WEST OF CUSTER, SOUTH DAKOTA

Site location context

Political divisions (FIPS codes)

Custer(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fourmile(quadrangle 1:24,000 scale)

Mount Rushmore(quadrangle 1:100,000 scale)

Hot Springs(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Angostura Reservoir(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 Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 003S 003E 36 South Dakota

Comments on the location information

  • NW 1/4

Commodities

Commodity Importance
Beryllium Critical Primary
Lithium Critical Primary
Mica Primary

Materials information

Materials Type of material
Amblygonite Ore
Beryl Ore
Lithiophilite Ore
Muscovite Ore
Spodumene Ore
Albite Gangue
Microcline Gangue
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

(1) -103.70835, 43.7494
ListMap

Economic information

Ore body information

  • General form DIKE-LIKE
    Strike NW
    Dip WEST
    Thickness 4.57M
    Length 60.96M

Comments on the geologic information

  • MOST MICA IS ASSOCIATED WITH QUARTZ AND ALBITE. IT IS RULED AND SHOWS AN "A" STRUCTURE.

Economic information about the deposit and operations

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

Mining district

District name Custer District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner
    Owner Maywood Chemical Co.

Workings at the site

  • Type of workings Surface
    Overall length 6.1M
    Overall width 4.57M

Comments on the workings information

  • THE OPENCUT IS 10 TO 18 FEET DEEP.

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 TWO SMALLER PEGMATITES ARE IN EACH SIDE OF THE MAIN DIKE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-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

Maps centered on this site