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  3. Mineral Resource Data System (MRDS)

A. M. Lode

Occurrence in Custer county in South Dakota, United States with commodity Feldspar
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  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. Reporter information

Geologic information

Identification information

Deposit ID 10055559
MRDS ID SD02140
Record type Site
Current site name A. M. Lode

Geographic coordinates

Geographic coordinates: -103.5425, 43.80885 (WGS84)
Elevation 1695
Relative position 4 MILES NORTHEAST 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

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 08 South Dakota

Comments on the location information

  • NE 1/4

Commodities

Commodity Importance
Feldspar Primary

Materials information

Materials Type of material
Feldspar Ore
Quartz Gangue

Alteration

  • (Local) All Minerals Are Iron Stained

Host and associated rocks

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

Nearby scientific data

(1) -103.5425, 43.80885
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Deposit size Small
Significant No

Mining district

District name Custer District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner
    Owner Consolidated Feldspar Corp.

Workings at the site

  • Type of workings Surface
    Overall length 3.05M
    Overall width 3.05M

Comments on the workings information

  • DEVELOPMENT IS BY TWO SMALL CUTS. ONE OF THESE CUTS IS 8 FEET WIDE, 8 FEET LONG AND 6 FEET DEEP AT THE FACE. THE SECOND CUT IS 2 FEET DEEP, 10 FEET WIDE AND 10 FEET HIGH AT THE FACE.

Comments on development

  • THIS PROPERTY IS A PROSPECT

Reference information

Bibliographic references

  • Deposit

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

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