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  3. Mineral Resource Data System (MRDS)

Ulster Mine

Past Producer in Lawrence county in South Dakota, United States with commodities Gold, Silver, Fluorine-Fluorite
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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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10055573
MRDS ID SD02159
Record type Site
Current site name Ulster Mine

Geographic coordinates

Geographic coordinates: -103.88614, 44.36302 (WGS84)
Elevation 1768
Relative position 2.5 MI NORTH NORTHEAST OF SAVOY, SOUTH DAKOTA

Site location context

Political divisions (FIPS codes)

Lawrence(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Savoy(quadrangle 1:24,000 scale)

Rapid City(quadrangle 1:100,000 scale)

Rapid City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Redwater(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 005N 002E 28 South Dakota

Comments on the location information

  • NW 1/4 , NORTHEAST OF RAGGED TOP MOUNTAIN

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Fluorine-Fluorite Critical Tertiary

Materials information

Materials Type of material
Fluorite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock
    Rock unit name Porphyry Sills And Dikes
    Rock description Porphyry Sills And Dikes
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Mississippian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Pahasapa Limestone
    Rock description Pahasapa Limestone

Nearby scientific data

(1) -103.88614, 44.36302
ListMap

Economic information

Ore body information

  • Dip 90 DEG

Controls for ore emplacement

  • Vertical Fractures

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Year of first production 1897

Mining district

District name Ragged Top District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner-Operator
    Owner Smith And Associates, A. J.

Comments on the production information

  • TOTAL PRODUCTION WAS REPORTED AS $22,000 , $50,000 FROM THE TOTAL GROUP

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 21.34M

Comments on the workings information

  • OPEN CUTS, 600 FEET OF SHALLOW DRIFTS, AND 5 SHAFTS, THE DEEPEST OF WHICH WAS 70 FEET.

Comments on development

  • 6 CLAIMS

Reference information

Bibliographic references

  • Deposit

    US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688

General comments

Subject category Comment text
Deposit PURPLE FLUORITE IS CONSPICUOUS FEATURE OF THE ORE; ORE CONFINED TO SURFACE 50 - 60 FT

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.

External references

Maps centered on this site