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E.L. Davis Mine

Producer in Custer county in South Dakota, United States with commodities Feldspar, Mica
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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. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10055730
MRDS ID SD02459
Record type Site
Current site name E.L. Davis Mine
Alternate or previous names St. Louis Mine

Geographic coordinates

Geographic coordinates: -103.51723, 43.73802 (WGS84)
Elevation 1536
Relative position 4.5 MILES SOUTHEAST OF CUSTER, SOUTH DAKOTA

Site location context

Political divisions (FIPS codes)

Custer(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cicero Peak(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 004S 005E 03 NW South Dakota

Commodities

Commodity Importance
Feldspar Primary
Mica Primary

Materials information

Materials Type of material
Feldspar Ore
Mica Ore
Quartz Gangue
Tourmaline Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -103.51723, 43.73802
ListMap

Economic information

Ore body information

  • General form IRREGULAR BLOW-UP
    Thickness 152.4M

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Deposit size Small
Significant No

Mining district

District name Custer District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Workings at the site

  • Type of workings Surface/Underground
    Area 0.022HA
    Overall depth 27.43M
    Overall length 15.24M
    Overall width 15.24M

Comments on the workings information

  • THE MAIN CUT IS 35 FT DEEP. THE SECOND CUT 50 FT FROM THE FIRST IS HALF AS LARGE. A SHAFT FILLED WITH WATER IS 90 FT DEEP.

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

    USBM, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, USBM INFO. CIRC 7707

General comments

Subject category Comment text
Deposit THE MASS IS ABOUT 500 FT IN DIAMETER

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-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