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Helen Beryl

Prospect in Custer county in South Dakota, United States with commodities Niobium (Columbium), Tantalum
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Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mineral rights holdings
  10. Ownership information
  11. Links to other databases
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10299140
MAS/MILS ID 0460330022
Record type Site
Current site name Helen Beryl
Alternate or previous names Sweepstakes Beryl

Geographic coordinates

Point of reference Trench
Geographic coordinates: -103.69697, 43.71276 (WGS84)
Elevation 1622
Location accuracy 10(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

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 004 S 003 E 12 SESE South Dakota

Commodities

Commodity Importance
Niobium (Columbium) Critical Tertiary
Tantalum Critical Tertiary

Nearby scientific data

Trench (1) -103.69697, 43.71276
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Prospect
Commodity type Metallic
Significant No

Mineral rights holdings

Type of mineral rights Patented

Ownership information

  • Type Owner
    Owner Schallenkamp, Ernest And Alice
    Interest 100
    Home office Salem, Sd
    Year 1976

Comments on the production information

  • Staatz and others (1963, p. 139) report the following production between 1943 and June 1948:
    Potassium feldspar (tons) 2,484.68
    Scrap mica (tons) 57.3
    Spodumene (tons) 211.55
    Beryl (tons) 30.5
    Tantalite ore (tons) 2
    The above figures include 120 tons of spodumene, 15 tons of beryl, and 2 tons of tantalite ore estimated from stockpiles at the mine. The latter was rough-cobbed, and was estimated to be about 1.3 tantalite, 2/3 rock.

Reference information

General comments

Subject category Comment text
Deposit HARD COPY FILE CONTAINS FILE REPORT PLUS MAPS.

Reporter information

Type Date Name Affiliation Comment
Reporter 25-NOV-83 South Dakota School of Mines U.S. Bureau of Mines

Beyond USGS

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

External references

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