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Groshong Mine

Past Producer in Lawrence county in South Dakota, United States with commodities Silver, Lead, Vanadium
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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. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10104226
MRDS ID SD02154
Record type Site
Current site name Groshong Mine
Alternate or previous names Silver Queen Group

Geographic coordinates

Geographic coordinates: -103.64418, 44.32135 (WGS84)
Elevation 1646
Relative position 0.5 MI SOUTH OF GALENA, SOUTH DAKOTA; NORTH OF THE SILVER QUEEN MINE

Site location context

Political divisions (FIPS codes)

Lawrence(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Deadwood South(quadrangle 1:24,000 scale)

Rapid City(quadrangle 1:100,000 scale)

Rapid City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Belle Fourche(hydrologic unit)

Belle Fourche(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 Lawrence

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 004N 004E 09 South Dakota

Comments on the location information

  • CENTER OF SECTION

Commodities

Commodity Importance
Silver Primary
Lead Secondary
Vanadium Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Lead Ore
Silver Ore

Alteration

  • (Local) Highly Oxidized Ore To A Soft, Yellow-Brown

Nearby scientific data

(1) -103.64418, 44.32135
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description The Deadwood Formation Dips 10 Deg Ne And Within The Mine Is 5 - 11 Deg From N 15 Deg W To N 80 Deg E

Ore body information

  • General form FLATTENED LENTICULAR BODIES CONFORMABLE TO BEDDING
    Strike NE
    Dip 90 DEGREES IN DIRECTIONS RANGING FROM NORTH 15 DEGREES WEST TO NORTH 80 DEGREES EAST. DIP IS OF THE DEADWOOD FORMATION
    Thickness 0.61M
    Width 5.49M

Controls for ore emplacement

  • Ore Zone Is 20 Feet Above The Precambrian Contact; In The First Dolomite Bed Above The Basal Quartzite Of The Deadwood Formation, In A Vertical Fracture

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Galena District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner-Operator
    Owner Stewart, H. H. And Thompson, Nels

Workings at the site

  • Type of workings Underground
    Overall length 94.49M

Comments on the workings information

  • TWO CLOSELY SPACED PORTALS LEADING INTO A SINGLE ADIT, WHICH EXTENDS NORTHEAST ALONG A VERTICAL MINERALIZED FRACTURE FOR APPROXIMATELY 310 FEET.

Comments on development

  • GROSHONG CLAIM ; ECON.COM: HIGH VALUES AG & PB, SOMETIMES VANADIUM AS HIGH AS 5%

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1979 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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