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

Bea Ann Claim

Occurrence in Beaverhead 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. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10094336
MRDS ID D004730
Record type Site
Current site name Bea Ann Claim

Geographic coordinates

Geographic coordinates: -112.97533, 45.16212 (WGS84)
Elevation 1890
Relative position 1 MILE EAST OF BANNACK

Site location context

Political divisions (FIPS codes)

Beaverhead(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bannack(quadrangle 1:24,000 scale)

Dillon(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Beaverhead(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(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 Beaverhead

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 008S 011W 05 Montana

Comments on the location information

  • SW 1/4, SE 1/4, SECTION 5. MINE IS SHOWN AT END OF ROAD ON BANNACK MAP.

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Calcite Gangue
Hematite Gangue
Jasper Gangue
Psilomelane Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation, Brecciation

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Bannack Stock
    Rock description Bannack Stock
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Mississippian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Madison
    Rock description Madison

Nearby scientific data

(1) -112.97533, 45.16212
ListMap

Economic information

Ore body information

  • General form CHIMNEY
    Dip 52 NW
    Width 6.1M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Bannack District

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Length 91.44M
    Overall depth 12.19M

Comments on the workings information

  • ONE 30 FT ADIT, ONE LOWER, 220 FT ADIT TRENDING SW

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 85, P. 79

  • Deposit

    1972 RECON M.B.M.G. BULL. 8

General comments

Subject category Comment text
Deposit CHIMNEY OR CAVERN IS FILLED WITH A RUBBLE OF IRON AND MN OXIDES AND ROCK FRAGMENTS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1980 Loen, Jeffrey S. (Pearson, Robert C.) 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