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  3. Mineral Resource Data System (MRDS)

Egyptian Group

Past Producer in Pennington county in South Dakota, United States with commodities Gold, Silver, Zinc
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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. Controls for ore emplacement
  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 10055765
MRDS ID SD02509
Record type Site
Current site name Egyptian Group

Geographic coordinates

Geographic coordinates: -103.42112, 43.90607 (WGS84)
Elevation 1463
Location accuracy 250(meters)
Relative position .75 MILES NORTHWEST OF KEYSTONE, SOUTH DAKOTA, 1/8 Mile, 1/8 Mile, 1/8 Mile, 1/8 Mile

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 05 SE OF NE South Dakota

Commodities

Commodity Importance
Gold Primary
Silver Primary
Zinc Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Pyrrhotite Ore
Silver Ore
Sphalerite Ore
Ankerite Gangue
Biotite Gangue
Chlorite Gangue
Hornblende Gangue
Quartz Gangue

Analytical data

Result LOW GRADE ORE

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -103.42112, 43.90607
ListMap

Economic information

Controls for ore emplacement

  • Shear Zones

Economic information about the deposit and operations

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

Mining district

District name Keystone District

Land status

Ownership category National Forest
Area name Black Hills

Workings at the site

  • Type of workings Underground
    Overall depth 76.2M

Reference information

Bibliographic references

  • Deposit

    USBM INFO CIRC 7707, P. 96

  • Production

    USBM INFO CIRC 7707, P. 96

General comments

Subject category Comment text
Deposit UNPATENTED. QUARTZ STRINGERS IN SHEAR ZONES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-82 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