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Beck Lode

Past Producer in Custer county in South Dakota, United States with commodities Feldspar, Mica, Beryllium
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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. Land status
  13. Ownership information
  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 10055574
MRDS ID SD02160
Record type Site
Current site name Beck Lode

Geographic coordinates

Geographic coordinates: -103.515, 43.74718 (WGS84)
Elevation 1585
Relative position 6 MILES SOUTHEAST OF CUSTER, S.D.

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 003S 005E 34 South Dakota

Comments on the location information

  • W 1/2 ; JUST NORTH OF TINSLEY MINE

Commodities

Commodity Importance
Feldspar Primary
Mica Secondary
Beryllium Critical Secondary

Materials information

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

Host and associated rocks

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

Nearby scientific data

(1) -103.515, 43.74718
ListMap

Economic information

Ore body information

  • General form IRREGULAR

Economic information about the deposit and operations

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

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner-Operator
    Owner Kerf Beck

Comments on the production information

  • ITEM 1 - 5 TONS OF SORTED FELDSPAR WERE PRODUCED A DAY { ITEM 2 - DURING 2 MONTHS IN 1942

Workings at the site

  • Type of workings Surface
    Overall length 22.86M
    Overall width 9.14M

Comments on the workings information

  • THE ELIPTICAL PIT IS 20 FEET DEEP

Reference information

Bibliographic references

  • Deposit

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

  • Production

    US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688

General comments

Subject category Comment text
Deposit THE CENTRAL PART OF THE PEGMATITE IS GOOD QUALITY FELDSPAR. BERYL IS FOUND IN CRYSTALS 1 INCH TO 8 INCHES IN DIAMETER.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 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