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  3. Mineral Resource Data System (MRDS)

Elgin Mine

Past Producer in Madison county in Montana, United States with commodities Gold, Silver
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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. Land status
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10019959
MRDS ID DC12055
Record type Site
Current site name Elgin Mine

Geographic coordinates

Geographic coordinates: -112.49505, 45.62462 (WGS84)
Elevation 1798
Relative position 9.5 MILES NW OF TWIN BRIDGES

Site location context

Political divisions (FIPS codes)

Madison(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Twin Bridges SW(quadrangle 1:24,000 scale)

Butte South(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Big Hole(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Montana Madison

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 002S 007W 32 Montana

Comments on the location information

  • NE 1/4, NW 1/4, SECTION 32.

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Limonite Gangue
Malachite Gangue
Quartz Gangue

Alteration

  • (Local) Brecciation, Oxidation, Sericitization

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Neoarchean
    Stratigraphic age (youngest) Neoarchean
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Pre Belt
    Rock description Pre Belt

Nearby scientific data

(1) -112.49505, 45.62462
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith
Type of structure Local
Structure description Vein Cuts At Least Six Sills And Dikes

Ore body information

  • Strike N 30 E
    Dip 60 NW
    Length 1524M

Controls for ore emplacement

  • Fissure Zone

Comments on the geologic information

  • GEOL.DESC: FINE SPECKS GOLD IN LIMONITE.

Economic information about the deposit and operations

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

Mining district

District name Rochester District

Land status

Ownership category Private

Comments on the workings information

  • MAIN SHAFT IS CAVED, BUT A SHORT ADIT AND SURFACE PITS REMAIN OPEN.

Reference information

Bibliographic references

  • Deposit

    MBMG MEM 19, P. 41-42.

  • Deposit

    CONSV. DIV. COMP. DATE, 05-22-1963

  • Deposit

    1950 GEOLMAP MBMG MEMOIR 1

General comments

Subject category Comment text
Deposit IDLE FOR MANY YEARS ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-JUN-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.

External references

Maps centered on this site