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

Walsh Mica Prospect

Past Producer in Custer county in South Dakota, United States with commodity Mica
Map
XML
JSON
KML
C
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. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10055656
MRDS ID SD02263
Record type Site
Current site name Walsh Mica Prospect

Geographic coordinates

Geographic coordinates: -103.52167, 43.75829 (WGS84)
Elevation 1570
Relative position ON THE WALSH RANCH, 1,000 FEET NORTH OF THE EARLE LODE, 3.75 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

Custer(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 003S 005E 28 South Dakota

Comments on the location information

  • SE 1/4

Commodities

Commodity Importance
Mica Primary

Comments on the commodity information

  • FLAT, HARD, PALE RUBY MICA IS FOUND IN THE CENTRAL PART OF THE PEGMATITE: MOST IS OF EXCELLENT QUALITY.

Materials information

Materials Type of material
Mica Ore

Host and associated rocks

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

Nearby scientific data

(1) -103.52167, 43.75829
ListMap

Economic information

Ore body information

  • General form THIN, TABULAR
    Strike N 70 E
    Dip 50 NW
    Thickness 1.83M
    Length 79.25M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Discovery year 1944
Discoverer Landon Landis

Mining district

District name Custer District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Comments on the workings information

  • SMALL PROSPECT PIT

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

    U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1980 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