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  3. Mineral Resource Data System (MRDS)

Eldorado Custer County

Past Producer in Custer 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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10097816
MRDS ID D008129
Record type Site
Current site name Eldorado Custer County
Alternate or previous names Old Bill Group

Geographic coordinates

Geographic coordinates: -103.64946, 43.82552 (WGS84)
Elevation 1841
Relative position 5 MILES NORTHWEST OF CUSTER, SOUTH DAKOTA AND ABOUT 1 MILE WEST OF TENDERFOOT ON THE DEADWOOD BRANCH OF THE CHICAGO, BURLINGTON, AND QUINCY RAILROAD.

Site location context

Political divisions (FIPS codes)

Custer(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Berne(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 002S 004E 33 SE OF SW South Dakota

Commodities

Commodity Importance
Gold Primary
Silver Primary

Comments on the commodity information

  • RICHEST GOLD ORE IS NEAR THE HANGING WALL.

Materials information

Materials Type of material
Gold Ore
Silver Ore
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

(1) -103.64946, 43.82552
ListMap

Economic information

Ore body information

  • Strike N10W
    Dip 52W
    Width 2.44M

Controls for ore emplacement

  • Fissures

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of last production 1937

Mining district

District name Unorganized District

Land status

Ownership category
Area name Black Hills

Ownership information

  • Type Operator
    Owner Group Of Custer Men.
    Home office Custer, S.D.

Comments on the production information

  • FROM 20 TONS QUARTZ.

Workings at the site

  • Type of workings Surface/Underground
    Length 1280.16M
    Overall depth 42.67M

Comments on the workings information

  • MAIN SHAFT IS 6 X 8 FT.

Reference information

Bibliographic references

  • Deposit

    USBM INFO CIRC 7707, P. 86

  • Production

    USBM INFO CIRC 7707, P. 86.

General comments

Subject category Comment text
Deposit 10 PATENTED CLAIMS. QUARTZ FISSURE VEINS CUT OBLIQUELY ACROSS HOST ROCKS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1981 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