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Ponca Group

Past Producer in Pennington county in South Dakota, United States with commodities Feldspar, Mica, Beryllium
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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. Reporter information

Geologic information

Identification information

Deposit ID 10055639
MRDS ID SD02243
Record type Site
Current site name Ponca Group

Geographic coordinates

Geographic coordinates: -103.37112, 43.8769 (WGS84)
Elevation 1311
Relative position 3 MILES NNE OF SPOKANE, 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

Rockerville(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 14 South Dakota

Comments on the location information

  • NW 1/4 ON THE NORTH SIDE OF IRON CREEK 0.5 MILE EAST OF THE BRIDGE ON THE SPOKANE-KEYSTONE ROAD.

Commodities

Commodity Importance
Feldspar Primary
Mica Primary
Beryllium Critical Primary

Materials information

Materials Type of material
Beryl Ore
Microcline Ore
Muscovite Ore
Quartz Gangue
Tourmaline 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) -103.37112, 43.8769
ListMap

Economic information

Ore body information

  • General form DIKE
    Strike N 60 W
    Dip 90
    Length 91.44M
    Width 15.24M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1898
Discoverer Frederick Gardner

Mining district

District name Keystone District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner
    Owner Leach, Alton
  • Type Owner
    Owner Jurisch, J. R.

Comments on the production information

  • ITEM 10 - SEVERAL HUNDRED POUNDS OF BERYL.

Workings at the site

  • Type of workings Surface/Underground
    Length 9.14M

Comments on the workings information

  • SMALL OPEN CUTS AND AN ADIT.

Comments on development

  • TWO 10 ACRE LODE CLAIMS

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

  • Production

    U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707

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

Maps centered on this site