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

Juniper Mine

Past Producer in Pennington county in South Dakota, United States with commodities Gold, Silver
Map
XML
JSON
KML
C
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. Host and associated rocks
  10. Nearby scientific data
  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. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10012464
MRDS ID D008108
Record type Site
Current site name Juniper Mine

Geographic coordinates

Geographic coordinates: -103.43084, 43.90385 (WGS84)
Elevation 1402
Relative position 1 MILE NORTHWEST OF KEYSTONE, SOUTH DAKOTA.

Site location context

Political divisions (FIPS codes)

Pennington(county)

South Dakota(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Rushmore(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 Pennington

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 002S 006E 05 South Dakota

Comments on the location information

  • NEAR THE CENTER OF THE SECTION.

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Gold Ore
Silver Ore
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidized

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -103.43084, 43.90385
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Strike N-NW
    Dip EAST
    Width 18.29M

Controls for ore emplacement

  • Shear Zone, Fault

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1884
Discoverer Phinney
Year of first production 1903
Year of last production 1955

Mining district

District name Keystone District

Land status

Ownership category
Area name Black Hills

Ownership information

  • Type Operator
    Owner Southern Hills Mines, Inc.
    First year 1948

Comments on the production information

  • PRODUCTION RECORDS NOT AVAILABLE. IN MAY, 1951, THE MILL WAS TREATING ABOUT 30 TONS OF ORE A DAY.

Workings at the site

  • Type of workings Surface/Underground
    Length 213.36M
    Overall depth 60.96M

Comments on the workings information

  • AN OPEN PIT, SEVERAL HUNDRED FEET OF IRREGULAR DRIFTS, STOPES, AND WINCES NEAR THE SURFACE. DRIFTS AND CROSSCUTS HAVE BEEN DRIVEN ON THE 100, 200 FOOT LEVELS.

Reference information

Bibliographic references

  • Deposit

    USBM INFO CIRC 7707, P. 79

  • Production

    USBM INFO CIRC 7707, P. 79.

General comments

Subject category Comment text
Deposit QUARTZ VEIN. SHEAR ZONE IS IRREGULARLY MINERALIZED WITH THE BEST ORE ALONG THE HANGING WALL SIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-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