Peerless Prospect

Past Producer in Pennington county in South Dakota, United States with commodities Mica, Tantalum, Beryllium, Feldspar, Lithium, Tin
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. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10104255
MRDS ID SD02294
Record type Site
Current site name Peerless Prospect
Alternate or previous names Monarch, Monitor, Protector

Geographic coordinates

Geographic coordinates: -103.42028, 43.89024 (WGS84)
Elevation 1390
Relative position 0.25 MILES SOUTH OF KEYSTONE, 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

Mount Rushmore(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 006E 08,09 South Dakota

Comments on the location information

  • SE 1/4, NE 1/4

Commodities

Commodity Importance
Mica Primary
Tantalum Critical Primary
Beryllium Critical Primary
Feldspar Primary
Lithium Critical Secondary
Tin Critical Secondary

Materials information

Materials Type of material
Albite Ore
Amblygonite Ore
Beryl Ore
Cassiterite Ore
Columbite Ore
Feldspar Ore
Lithiophilite Ore
Muscovite Ore
Andalusite Gangue
Biotite Gangue
Chalcopyrite Gangue
Chrysoberyl Gangue
Cleavelandite Gangue
Limonite Gangue
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue
Rutile Gangue
Stannite Gangue
Staurolite Gangue
Svanbergite Gangue
Uraninite Gangue
Uranophane Gangue
Zircon Gangue

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) -103.42028, 43.89024

Economic information

Ore body information

  • General form IRREGULAR LENS
    Plunge NE 50
    Length 141.73M
    Width 83.82M

Comments on the geologic information

  • BERYL CRYSTALS UP TO 12 INCHES IN DIAMETER.

Economic information about the deposit and operations

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

Mining district

District name Keystone District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Operator
    Owner Northwest Beryllium Co. And Newton And Cordes
  • Type Owner
    Owner Keystone Feldspar And Chemical Co

Comments on the production information

  • FELDSPAR PRODUCTION WAS NOT RECORDED. ITEM 1 - IN 1962 BETWEEN 10,000 AND 100,000 LBS OF BERYL WERE PRODUCED. ITEM 2 - 1,000 LTU OR MORE.

Comments on the workings information

  • DEVELOPMENT HAS BEEN BY OPENCUTS, DRIFTS AND A GLORY HOLE.

Comments on development

  • DIAMOND DRILLING BY FEDERAL BUREAU OF MINES AND FEDERAL GEOLOGICAL SURVEY IN 1950-51.

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

  • Deposit

    ACKERMAN, W.C., 1952, THE PEERLESS PEGMATITE, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY

  • Deposit

    ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18

  • Deposit

    BIENIEWSKI, C.L., AND AGNEW, A.F., 1964, THE MINERAL INDUSTRY OF SOUTH DAKOTA IN 1962, SOUTH DAKOTA GEOLOGICAL SURVEY MINERALS REPORT 10/BIENIEWSKI, C.L., AND MCGREGOR, D.J., 1965, THE MINERAL INDUSTRY OF SOUTH DAKOTA IN 1963, SOUTH DAKOTA GEOLOGICAL SURVEY MINERALS REPORT 11

  • Deposit

    1950 DIREXPL

  • Deposit

    1950 DIREXPL FEDERAL BUREAU OF MINES

  • Production

    U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707 / SOUTH DAKOTA GEOLOGICAL SURVEY MINERALS REPORTS 10 AND 11

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