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  3. Mineral Resource Data System (MRDS)

Dorothy No. 1 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. 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. Reporter information

Geologic information

Identification information

Deposit ID 10012484
MRDS ID D008133
Record type Site
Current site name Dorothy No. 1 Lode

Geographic coordinates

Geographic coordinates: -103.63445, 43.75552 (WGS84)
Elevation 1646
Location accuracy 500(meters)
Relative position 2 MILES SOUTHWEST 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

Berne(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 004E 27 SW South Dakota

Comments on the location information

  • BETWEEN THE DOROTHY LODE AND THE ENDICOTT RANCH.

Commodities

Commodity Importance
Feldspar Primary

Materials information

Materials Type of material
Feldspar Ore
Mica Gangue
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
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) Alluvium
ListMap

Economic information

Ore body information

  • General form IRREGULAR

Comments on the geologic information

  • FELDSPAR IS INTERGROWN WITH QUARTZ.

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
Area name Black Hills

Ownership information

  • Type Owner
    Owner Consolidated Feldspar Corp.
    Home office Trenton, N.J.

Workings at the site

  • Type of workings Surface
    Area 0.001HA
    Overall length 6.1M
    Overall width 2.44M

Reference information

Bibliographic references

  • Deposit

    USBM INFO CIRC 7707, P. 107

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1981 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