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

Horseshoe Claim

Occurrence in Jefferson county in Montana, United States with commodity Gold
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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. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10094755
MRDS ID DB02118
Record type Site
Current site name Horseshoe Claim

Geographic coordinates

Geographic coordinates: -112.09671, 46.3824 (WGS84)
Relative position 2.6KM WNW OF CORBIN.

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Jefferson City(quadrangle 1:24,000 scale)

Butte North(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Missouri(hydrologic unit)

Upper Missouri(hydrologic accounting unit)

Missouri-Marias(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management MT)

Bureau of Land Management MT BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Montana Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 007N 004W 03 Montana

Comments on the location information

  • SW SLOPE OF GREGORY MT.

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Gypsum Gangue
Pyrite Gangue
Tourmaline Gangue

Alteration

  • (Local) Tourmalinization, Pyritization, Sericitization

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Apalite Dike;Elkhorn Mountain Volcanics
    Rock description Apalite Dike;Elkhorn Mountain Volcanics
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -112.09671, 46.3824
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith
Type of structure Local
Structure description Dacite Dike Intrusions

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Shear Zone On Aplite-Andesite Contact

Comments on the geologic information

  • ANDESITE PERMEATED WITH GYPSUM CRYSTALS DUE TO DOWNWARD MOVING SULFATE SOLUTIONS. DACITE DIKES NON-MINERALIZED AND RELATIVELY UNALTERED. PYRITE WAS INTRODUCED AFTER THE INTRUSION OF APLITE AND BEFORE THE INTRUSION OF DACITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Colorado (Corbin-Wickes) District

Workings at the site

  • Type of workings Underground
    Length 60.96M

Comments on the workings information

  • TUNNEL, DRIFTS

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1979 Elliott, James E. U.S. Geological Survey
Updater 01-JUL-1981 Wise, Kristine K. (Elliott, James E.) 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