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Ixl Lode No. 3 Feldspar Prospect

Occurrence in Custer county in South Dakota, United States with commodities Feldspar, Mica
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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. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10055798
MRDS ID SD02554
Record type Site
Current site name Ixl Lode No. 3 Feldspar Prospect

Geographic coordinates

Geographic coordinates: -103.52917, 43.79829 (WGS84)
Elevation 1646
Location accuracy 500(meters)
Relative position 4 MILES NORTHEAST 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 005E 09 SW South Dakota

Commodities

Commodity Importance
Feldspar Primary
Mica Primary

Comments on the commodity information

  • MICA IS IN SCATTERED BOOKS ABOUT 3 INCHES LONG AND 2 INCHES THICK IN A ONE FOOT WALL ZONE

Materials information

Materials Type of material
Feldspar Ore
Mica Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Harney Peak Granite
    Rock description Harney Peak Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -103.52917, 43.79829
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fractures Normal To Wall Of Dike.

Ore body information

  • Strike N 70 E
    Dip 60 SE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Deposit size Small
Significant No
Discovery year 1937
Discoverer Scovel Johnson

Mining district

District name Custer District

Land status

Ownership category National Forest
Area name Black Hills

Ownership information

  • Type Owner
    Owner Consolidated Feldspar Corp., Trenton, Nj

Workings at the site

  • Type of workings Surface
    Area 0.001HA
    Overall depth 2.13M
    Overall length 4.57M
    Overall width 2.44M

Comments on the workings information

  • TWO SMALL OPENCUTS HAVE BEEN MADE.

Reference information

Bibliographic references

  • Deposit

    USGS PP 247, P. 136

  • Deposit

    USBM INFO CIRC 7707, P. 110

General comments

Subject category Comment text
Deposit GRANITE STRIKES N 40 E PEGMATITE STRIKES N 70 E. CENTRAL CORE 6 FT THICK CONTAINING PERTHITE AND QUARTZ. PERTHITE CRYSTALS 2 FT ACROSS AND MAKES UP PERHAPS 15-20% OF THE CORE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1983 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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