1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

White Cloud Prospect

Occurrence in Custer county in South Dakota, United States with commodities Mica, Beryllium, Feldspar
Map
XML
JSON
KML
C
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 10012466
MRDS ID D008110
Record type Site
Current site name White Cloud Prospect

Geographic coordinates

Geographic coordinates: -103.62223, 43.70829 (WGS84)
Elevation 1658
Location accuracy 500(meters)
Relative position 4 MI SOUTHWEST 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

Cicero Peak(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 Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 004S 004E 15 NE South Dakota

Commodities

Commodity Importance
Mica Primary
Beryllium Critical Primary
Feldspar Primary

Comments on the commodity information

  • FELDSPAR IS OF GOOD QUALITY; MICA IS ONLY SUITABLE FOR SCRAP.

Materials information

Materials Type of material
Beryl Ore
Feldspar Ore
Mica Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -103.62223, 43.70829
ListMap

Economic information

Ore body information

  • General form DIKE
    Dip 25SW
    Length 60.96M
    Width 12.19M

Comments on the geologic information

  • COARSE TEXTURED. BERYL CRYSTALS UP TO 1 INCH IN DIAMETER ARE FOUND.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Custer District

Land status

Ownership category
Area name Black Hills

Workings at the site

  • Type of workings Surface
    Area 0.003HA
    Overall depth 2.44M
    Overall length 7.62M
    Overall width 3.66M

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 NARROWER DIKES, ONE ON EACH SIDE, PARALLEL THE MAIN DIKE. ONE IS 5 OR 6 FT WIDE AND THE OTHER IS 8-20 FT WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1981 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