Beacon Light Mine

Past Producer in Madison county in Montana, United States with commodity Copper
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. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10019956
MRDS ID DC12051
Record type Site
Current site name Beacon Light Mine

Geographic coordinates

Geographic coordinates: -112.51144, 45.6124 (WGS84)
Elevation 1783
Relative position 0.25 MILE WEST OF ROCHESTER

Site location context

Political divisions (FIPS codes)

Madison(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nez Perce Hollow(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)

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 Madison

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 002S 007W 31 Montana

Comments on the location information

  • ON SOUTH EDGE OF SE 1/4, SECTION 31

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chrysocolla Ore
Malachite Ore
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation, Gouge

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Pre Belt
    Rock description Pre Belt
    Stratigraphic age (youngest) Neoarchean
    Stratigraphic age (youngest) Neoarchean

Nearby scientific data

(1) -112.51144, 45.6124

Economic information

Geologic structures

Type of structure Local
Structure description Rochester Fault Zone

Ore body information

  • General form LENTICULAR MASSES
    Strike N 47 W
    Dip 90
    Width 22.86M

Controls for ore emplacement

  • Breccia Zone

Comments on the geologic information

  • GEOL.DESC: WIDE, PERSISTENT VEIN OF BRECCIATED RECEMENTED QUARTZ WITH OXIDIZED CU MINERALS.

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

Workings at the site

  • Type of workings Underground
    Overall depth 91.44M

Comments on the workings information

  • VERTICAL SHAFT

Reference information

Bibliographic references

  • Deposit

    MBMG MEM 19, P. 45.

  • Deposit

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

  • Deposit

    1950 GEOLMAP MBMG MEMOIR 19

General comments

Subject category Comment text
Deposit WIDE, PERSISTENT VEIN DEVELOPS LARGE LENSES OF BRECCIATED, RECEMENTED QUARTZ SEVERAL HUNDRED FEET LONG.
Deposit BRECCIATED MATERIAL SAID TO AVERAGE 7% CU, BUT SURFACE INDICATIONS NOT ENCOURAGING. ; 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