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  3. Mineral Resource Data System (MRDS)

Leopard-Jessie Lee Mine

Past Producer in Lawrence county in South Dakota, United States with commodities Gold, Silver
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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. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10055575
MRDS ID SD02162
Record type Site
Current site name Leopard-Jessie Lee Mine

Geographic coordinates

Geographic coordinates: -103.83586, 44.33996 (WGS84)
Elevation 1987
Relative position EAST OF PORTLAND, SOUTH DAKOTA AND 0.2 MI NORTHEAST OF TROJAN, 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

Lead(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 002E 02 South Dakota

Comments on the location information

  • NE 1/4 NE 1/4 , NORTH SIDE OF GREEN MOUNTAIN

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Silver Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name 3 Ft Coarse-Grained Rhyolite Sill
    Rock description 3 Ft Coarse-Grained Rhyolite Sill
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Cambrian

Nearby scientific data

(1) -103.83586, 44.33996
ListMap

Economic information

Ore body information

  • General form FLAT, IRREGULAR MASSES
    Strike N
    Dip 90 DEG
    Thickness 0.61M
    Width 12.19M

Controls for ore emplacement

  • Upper Contact Zone Of The Formation In Vertical Fractures

Economic information about the deposit and operations

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

Mining district

District name Bald Mountain District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner-Operator
    Owner Bald Mountain Mining Co.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit FRACTURES TREND N 20 DEG E AND N 20 DEG W

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.

Maps centered on this site