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

Homestead No. 2 Prospect

Past Producer in Custer county in South Dakota, United States with commodities Mica, Beryllium
Map
XML
JSON
KML
B
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. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10104260
MRDS ID SD02312
Record type Site
Current site name Homestead No. 2 Prospect

Geographic coordinates

Geographic coordinates: -103.59862, 43.78107 (WGS84)
Elevation 1695
Relative position 0.5 MILE NORTH 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 004E 23 South Dakota

Comments on the location information

  • NE 1/4

Commodities

Commodity Importance
Mica Primary
Beryllium Critical Tertiary

Materials information

Materials Type of material
Beryl Ore
Muscovite Ore
Albite Gangue
Microcline Gangue
Quartz Gangue

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
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Schist
    Rock description Schist

Nearby scientific data

(1) -103.59862, 43.78107
ListMap

Economic information

Ore body information

  • Strike NW
    Dip 40 SW
    Thickness 3.05M
    Length 30.48M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Custer District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Operator
    Owner Ira Willey
  • Type Owner
    Owner Sager, William And Randall, Phillip

Comments on the production information

  • ITEM 1-RECOVERED FROM 300 POUNDS OF CRUDE MICA SORTED FROM 50 TONS OF PEGMATITE.

Comments on the workings information

  • 2 PROSPECT PITS, 35 FEET INCLINED SHAFT

Comments on development

  • ECON.COM: LIGHT RUBY, AIR STAINED MICA, MOST OF THIS SHEET MICA IS NO. 2 INTERIOR GRADE MICA.

Reference information

Bibliographic references

  • Deposit

    U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 770

  • Production

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

General comments

Subject category Comment text
Deposit 3 PARALLEL PEGMATITES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-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