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  3. Mineral Resource Data System (MRDS)

Ross Hannibal Group

Past Producer in Lawrence county in South Dakota, United States with commodities Gold, Silver, Fluorine-Fluorite, Uranium
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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. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10104203
MRDS ID SD02073
Record type Site
Current site name Ross Hannibal Group
Alternate or previous names Hannibal Mine, North Star Mine, And Mikado Mine

Geographic coordinates

Geographic coordinates: -103.80086, 44.32274 (WGS84)
Elevation 1768
Relative position 3.5 MILES SOUTHWEST OF LEAD, 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)

Geographic areas

Country State County
United States South Dakota Lawrence

Public Land Survey System information

Meridian Township Range Section Fraction State
Black Hills 004N 003E 07 South Dakota

Comments on the location information

  • CENTER OF SECTION

Commodities

Commodity Importance
Gold Primary
Silver Primary
Fluorine-Fluorite Critical Tertiary
Uranium Tertiary

Materials information

Materials Type of material
Fluorite Ore
Pyrite Gangue

Analytical data

Result ONE SAMPLE = 255.08 OZ/TON OF AG AND 0.44 OZ/TON OF AU: AVERAGE ORE SAMPLE RUNS 1.75 OZ/TON OF AU

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock
    Rock unit name Sugarloaf Sill
    Rock description Sugarloaf Sill
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Cambrian

Nearby scientific data

(1) -103.80086, 44.32274
ListMap

Economic information

Ore body information

  • Thickness 2.44M
    Length 609.6M
    Width 30.48M

Controls for ore emplacement

  • Lower Contact Zone, On The Basal Quartzite

Comments on the geologic information

  • ORE BODY WAS ELEVATED BY AN IRREGULAR SILL

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Year of first production 1890

Mining district

District name Ruby Basin District

Ownership information

  • Type Owner-Operator
    Owner Golden Reward Co.

Comments on the workings information

  • DEVELOPMENT WAS THROUGH TWO DRIFTS: SOME OPEN CUT MINING WAS DONE ON THE NORTH STAR CLAIM TO THE NORTH AND WEST OF THE MAIN ORE BODY.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit STRIKES N-S AND N 27 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.

External references

Maps centered on this site