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  3. Mineral Resource Data System (MRDS)

Sky Lode

Occurrence in Custer county in South Dakota, United States with commodities Lithium, 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. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10095919
MRDS ID SD02508
Record type Site
Current site name Sky Lode

Geographic coordinates

Geographic coordinates: -103.62335, 43.84718 (WGS84)
Elevation 1890
Relative position 5.5 MILES NORTH-NORTHEAST OF CUSTER, SOUTH DAKOTA ON THE EAST SIDE OF TENDERFOOT GULCH. 0.5 MILE EAST OF THE CHICAGO, BURLINGTON, & QUINCY RAILROAD & 500-700 FEET ABOVE IT.

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 002S 004E 27 E2 South Dakota

Commodities

Commodity Importance
Lithium Critical Primary
Feldspar Primary
Mica Tertiary

Comments on the commodity information

  • SPODUMENE OCCURS IN ALTERED "LOGS"

Materials information

Materials Type of material
Feldspar Ore
Mica Ore
Spodumene Ore
Quartz Gangue
Tourmaline 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 Plutonic Rock > Pegmatite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -103.62335, 43.84718
ListMap

Economic information

Comments on the geologic information

  • RICH IN SCHIST INCLUSIONS

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Unorganized District

Land status

Ownership category National Forest
Area name Black Hills

Reference information

Bibliographic references

  • Deposit

    USBM INFO CIRC 7707, P. 82

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.

External references

Maps centered on this site