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Hardesty Homestead

Past Producer in Pennington county in South Dakota, United States with commodities Beryllium, Mica, Tantalum, Feldspar, Tin, Lithium
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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. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  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 10101556
MRDS ID D004781
Record type Site
Current site name Hardesty Homestead

Geographic coordinates

Geographic coordinates: -103.46278, 43.91913 (WGS84)
Elevation 1463
Relative position 6 MILES EAST OF HILL CITY, SOUTH DAKOTA ON U.S. HIGHWAY 16-A

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 001S 005E 36 South Dakota

Comments on the location information

  • SE 1/4, NE 1/4

Commodities

Commodity Importance
Beryllium Critical Primary
Mica Primary
Tantalum Critical Primary
Feldspar Primary
Tin Critical Secondary
Lithium Critical Tertiary

Materials information

Materials Type of material
Albite Ore
Amblygonite Ore
Beryl Ore
Cassiterite Ore
Muscovite Ore
Spodumene Ore
Tantalite Ore
Graphite Gangue
Quartz Gangue
Rhodochrosite Gangue
Topaz Gangue

Alteration

  • (Local) Spodumene Altered To Sericite. Amblygonite Is Altered.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Pegmatite
    Rock description Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Schist
    Rock description Schist

Nearby scientific data

(1) -103.46278, 43.91913
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Strike N-S
    Dip WEST
    Length 85.34M
    Width 9.75M

Economic information about the deposit and operations

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

Mining district

District name Unorganized District

Land status

Ownership category National Forest
Area name Black Hills National Forest

Ownership information

  • Type Owner
    Owner George Hardesty

Workings at the site

  • Type of workings Surface
    Overall depth 18.29M

Comments on the workings information

  • A SMALL OPENCUT.

Comments on development

  • ECON.COM: BERYL CRYSTALS UP TO 8 INCHES, SOME BOOK MICA, SPODUMENE CRYSTALS UP TO 6 FEET LONG.

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

  • Deposit

    ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18

  • Production

    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 4 ZONES: THE OUTER ZONE OF ALBITE-QUARTZ-MUSCOVITE CARRIES BERYL CRYSTALS. THE SECOND ZONE IS QUARTZ & ALBITE WITH SMALL AMOUNTS OF MUSCOVITE. THE THIRD ZONE CONTAINS SPODUMENE, AMBLYGONITE & TANTALITE & SOME BERYL. THE CORE IS QUARTZ.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1980 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