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

Eclipse Group

Occurrence in Pennington county in South Dakota, United States with commodities Gold, Silver
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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. Nearby scientific data
  9. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10095920
MRDS ID SD02522
Record type Site
Current site name Eclipse Group

Geographic coordinates

Geographic coordinates: -103.39639, 43.86524 (WGS84)
Elevation 1341
Location accuracy 500(meters)
Relative position 2.5 MILES SOUTHEAST 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

Iron Mountain(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 22 NW South Dakota

Comments on the location information

  • 1:24000 QUADRANGLE MAP IS A 1954 EDITION

Commodities

Commodity Importance
Gold Primary
Silver Primary

Comments on the commodity information

  • $7 A TON WITH GOLD AT $35 AN OUNCE

Materials information

Materials Type of material
Gold Ore
Silver Ore

Nearby scientific data

(1) -103.39639, 43.86524
ListMap

Economic information

Controls for ore emplacement

  • Shear Zones

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Keystone District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Comments on the workings information

  • SEVERAL SHALLOW SHAFTS AND OPENCUTS

Reference information

Bibliographic references

  • Deposit

    USBM CIRC 7707, P. 98

General comments

Subject category Comment text
Deposit SEVEN AND A FRACTION PATENTED CLAIMS, THREE UNPATENTED CLAIMS AND ONE PATTENTED PLACER CLAIM. 4 SHEAR ZONES PARTLY EXPLORED.

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.

External references

Maps centered on this site