Big Thom No 1

Past Producer in Custer county in South Dakota, United States with commodities Beryllium, Feldspar, Mica
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Land status
  9. Links to other databases
  10. Bibliographic references
  11. Reporter information

Geologic information

Identification information

Deposit ID 10274985
MAS/MILS ID 0460330057
Record type Site
Current site name Big Thom No 1

Geographic coordinates

Point of reference Trench
Geographic coordinates: -103.69947, 43.71806 (WGS84)
Elevation 1682
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Custer(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fourmile(quadrangle 1:24,000 scale)

Mount Rushmore(quadrangle 1:100,000 scale)

Hot Springs(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Angostura Reservoir(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

Commodities

Commodity Importance
Beryllium Critical Tertiary
Feldspar Tertiary
Mica Primary

Nearby scientific data

Trench (1) -103.69947, 43.71806

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Both
Significant No

Land status

Ownership category National Forest

Reference information

Bibliographic references

  • Deposit

    REDDEN,J.A.,1963,USGS PROF.PAPER 297-D,P.275

Reporter information

Type Date Name Affiliation Comment
Reporter 18-NOV-83 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.