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Boulder Cobalt Mine

Past Producer in Madison county in Montana, United States with commodities Gold, Silver, Copper
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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. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10014512
MRDS ID D011320
Record type Site
Current site name Boulder Cobalt Mine

Geographic coordinates

Geographic coordinates: -112.12198, 45.59796 (WGS84)
Elevation 2829

Site location context

Political divisions (FIPS codes)

Madison(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Noble Peak(quadrangle 1:24,000 scale)

Butte South(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jefferson(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Beaverhead-Deerlodge National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Montana Madison

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 003S 004W 05 CENTER OF S2 OF S2 OF S2 OF S2 Montana

Comments on the location information

  • 1000 FT SW OF UPPER BOULDER LAKE ; INFO FROM LAND.ST :1975

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Copper Secondary

Materials information

Materials Type of material
Copper Ore
Gold Ore
Silver Ore
Pyrite Gangue
Siderite Gangue

Analytical data

Result SAMPLES RAN 0.124 TO 2.14 OZ AU, 1.2 TO 0.6 OZ AG, AND 0.12 TO 0.36% CU

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Neoarchean

Nearby scientific data

(1) -112.12198, 45.59796
ListMap

Economic information

Ore body information

  • Width 0.43M

Comments on the geologic information

  • NEAR GNEISS/AMPHIBOLITE CONTACT

Economic information about the deposit and operations

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

Mining district

District name Tidal Wave District

Land status

Ownership category National Forest

Comments on the workings information

  • 5 ADITS, 1 HAS 1,000 FT WORKINGS, OTHERS LESS THAN 100. 1 INCLINE, PITS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit N TO NW VEINS, SHEARS, ALTERED AREAS IN STEEP DIPPING ZONE 0.25 MI LONG.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1984 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