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  3. Mineral Resource Data System (MRDS)

El Dorado

Past Producer in Pennington county in South Dakota, United States with commodities Gold, Silver, Tin, Tungsten
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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 10055759
MRDS ID SD02501
Record type Site
Current site name El Dorado
Alternate or previous names Gold Dust, Midway Fraction

Geographic coordinates

Geographic coordinates: -103.51778, 43.93635 (WGS84)
Elevation 1436
Relative position 3 AIRLINE MILES EAST OF HILL CITY, 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

Hill City(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 001S 005E 27;28 SW OF NW South Dakota

Comments on the location information

  • ON THE LINE BETWEEN SECS. 27 & 28

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Tin Critical Secondary
Tungsten Critical Secondary

Materials information

Materials Type of material
Gold Ore
Silver Ore
Tin Ore

Host and associated rocks

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

Nearby scientific data

(1) -103.51778, 43.93635
ListMap

Economic information

Ore body information

  • Strike EAST-WEST
    Dip 90
    Length 9.14M
    Width 0.91M

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1890

Mining district

District name Unorganized District

Land status

Ownership category National Forest
Area name Black Hills

Ownership information

  • Type Owner
    Owner New El Dorado Mines, Inc.
    First year 1936

Workings at the site

  • Type of workings Underground
    Length 137.16M
    Overall depth 60.96M

Reference information

Bibliographic references

  • Deposit

    USBM INFO CIRC 7707, P. 38

  • Production

    USBM INFO CIRC 7707, P. 38

General comments

Subject category Comment text
Deposit THREE PATENTED CLAIMS TOTALING 35 ACRES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-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