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  3. Mineral Resource Data System (MRDS)

Dike Lode

Past Producer in Pennington county in South Dakota, United States with commodities Feldspar, Mica, Beryllium, Lithium
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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. Mining district
  13. Land status
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10055770
MRDS ID SD02515
Record type Site
Current site name Dike Lode
Alternate or previous names Dyke Lode

Geographic coordinates

Geographic coordinates: -103.40528, 43.85663 (WGS84)
Elevation 1402
Location accuracy 1000(meters)
Relative position 3 AIRLINE MILES SOUTHEAST OF KEYSTONE, SOUTH DAKOTA

Site location context

Political divisions (FIPS codes)

Pennington(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Iron Mountain(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 Pennington

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 002S 006E 21 South Dakota

Commodities

Commodity Importance
Feldspar Primary
Mica Primary
Beryllium Critical Primary
Lithium Critical Primary

Materials information

Materials Type of material
Amblygonite Ore
Beryl Ore
Feldspar Ore
Muscovite Ore
Spodumene Ore
Quartz Gangue

Analytical data

Result AMBLYGONITE SAMPLE=9.18% LI2O. SPODUMENE SAMPLE=6% LI2O

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -103.40528, 43.85663
ListMap

Economic information

Ore body information

  • General form PEAR-SHAPED
    Strike N 55 E
    Dip SE
    Length 60.96M
    Width 36.58M

Economic information about the deposit and operations

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

Mining district

District name Keystone District

Land status

Ownership category National Forest
Area name Black Hills

Ownership information

  • Type Owner
    Owner John Fisher Of Custer, Sd
    First year 1944

Comments on the production information

  • PRODUCTION TO JUNE, 1945

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 19.81M
    Overall length 36.58M
    Overall width 27.43M

Comments on the workings information

  • AN INCLINED SHAFT CONNECTED TO A GLORY HOLE IN THE BOTTOM OF THE PIT

Comments on development

  • RESERVES OF SPODUMENE AND AMBLYGONITE APPEAR MODERATELY LARGE

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 3 ZONES, ONE UNPATENTED LODE CLAIM

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1982 Barari, Rachel A. U.S. Geological Survey

Beyond USGS

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

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