1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Helen Group

Occurrence in Custer county in South Dakota, United States with commodity Feldspar
Map
XML
JSON
KML
B
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 10055745
MRDS ID SD02483
Record type Site
Current site name Helen Group
Alternate or previous names Helen Lode, Helen No. 1, Helen No. 2, Helen No. 3, Helen No. 4, Helen No. 5

Geographic coordinates

Geographic coordinates: -103.61806, 43.71413 (WGS84)
Elevation 1646
Location accuracy 1000(meters)
Relative position 4 MILES SOUTH 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

Cicero Peak(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 004N 004E 10;11 E2 (10); W2 (11) South Dakota

Comments on the location information

  • ALONG THE SECTION LINE BETWEEN SECS. 10 AND 11

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 Plutonic Rock > Pegmatite

Nearby scientific data

(1) -103.61806, 43.71413
ListMap

Economic information

Ore body information

  • General form DIKES

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., Trenton, New Jersey

Workings at the site

  • Type of workings Surface
    Length 30.48M

Comments on the workings information

  • DEVELOPMENT ON EACH CLAIM IS BY A SMALL OPENCUT. THE LARGEST, HELEN NO. 4 IS 100 FT LONG. THE OTHERS ARE 8 TO 30 FT LONG. HELEN NO. 5 HAS ONLY A SMALL SHAFT.

Reference information

Bibliographic references

  • Deposit

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

General comments

Subject category Comment text
Deposit UNPATENTED CLAIMS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-81 Barari, Rachel A. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site