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Phenacite Prospect

Occurrence in Custer county in South Dakota, United States with commodities Feldspar, Beryllium, 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 10055779
MRDS ID SD02531
Record type Site
Current site name Phenacite Prospect

Geographic coordinates

Geographic coordinates: -103.58389, 43.63885 (WGS84)
Elevation 1646
Location accuracy 500(meters)
Relative position 2 MILES NORTH OF PRINGLE, 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 005S 004E 01 SE South Dakota

Comments on the location information

  • HENWOOD ADJOINS THE PHENACITE ON THE NORTH.

Commodities

Commodity Importance
Feldspar Primary
Beryllium Critical Primary
Mica Primary

Materials information

Materials Type of material
Beryl Ore
Feldspar Ore
Mica Ore

Host and associated rocks

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

Nearby scientific data

(1) Metamorphosed Black Shale
ListMap

Economic information

Ore body information

  • General form WEDGE-SHAPED DIKE
    Strike N
    Dip 30 W
    Length 350.52M
    Width 22.86M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Pringle District

Land status

Ownership category National Forest
Area name Black Hills

Ownership information

  • Type Owner
    Owner Samuel A. Kirk

Workings at the site

  • Type of workings Surface
    Area 0.001HA
    Overall depth 1.83M
    Overall length 3.05M
    Overall width 2.44M

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, P. 165-166

General comments

Subject category Comment text
Deposit IT STANDS AS MUCH AS 20 FT ABOVE GROUND AND PINCHES TO 25 FT AT THE ENDS. UNPATENTED CLAIM. THE DIKE EXTENDS INTO THE HENWOOD PROPERTY WHERE IT PRODUCED FELDSPAR AND BERYL

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1982 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