Blackfoot Mine

Past Producer in Powell county in Montana, United States with commodities Gold, Silver, Lead, Copper, Tungsten
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. 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 10015918
MRDS ID DB02208
Record type Site
Current site name Blackfoot Mine
Alternate or previous names Blackfoot Gold Mine

Geographic coordinates

Geographic coordinates: -112.8473, 46.86378 (WGS84)
Location accuracy 250(meters)
Relative position 2.2KM W OF OGDEN MOUNTAIN.

Site location context

Political divisions (FIPS codes)

Powell(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nevada Lake(quadrangle 1:24,000 scale)

Elliston(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Blackfoot(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Helena-Lewis and Clark 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 Powell

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 013N 010W 22 SW OF SE Montana

Comments on the location information

  • INFO FROM LAND.ST :(1968)

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Secondary
Copper Secondary
Tungsten Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Scheelite Ore
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Ogden Mountain Quartz Monzonite
    Rock description Ogden Mountain Quartz Monzonite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Newland Formation Argillite
    Rock description Newland Formation Argillite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite

Nearby scientific data

(1) -112.8473, 46.86378

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith
Type of structure Local
Structure description Ogden Mountain Quartz Monzonite

Economic information about the deposit and operations

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

Mining district

District name Big Blackfoot (Ogden Mountain) District

Land status

Ownership category National Forest

Comments on the production information

  • MBMG BULL 98, P. 67.

Workings at the site

  • Type of workings Surface/Underground
    Length 396.24M

Comments on the workings information

  • TWO CAVED ADITS, STOPES, PROSPECT PITS NEAR ADITS. MINING MOSTLY CONFINED TO WEATHERED PART OF VEIN.

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 98, P. 43, 44, 67

General comments

Subject category Comment text
Deposit VEIN IS LOCALLY VUGGY AND ALSO SPLITS INTO STRINGERS THAT EITHER COALESEE OR DIE OUT IN THE WALL ROCK. NATIVE GOLD OCCURS WITH LIMONITE
Deposit LARGEST MINE IN BIG BLACKFOOT DISTRICT BOTH IN DEVELOPEMENT AND PRODUCTION. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-80 Elliott, James E. U.S. Geological Survey
Updater 01-JUL-81 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.

External references