Negros Mine

Producer in Powell county in Montana, United States with commodities Silver, Lead, Gold, Zinc, 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. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  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 10015906
MRDS ID DB02192
Record type Site
Current site name Negros Mine

Geographic coordinates

Geographic coordinates: -112.4245, 46.48629 (WGS84)
Relative position 1.4 KM NW FROM NEGRO MOUNTAIN.

Site location context

Political divisions (FIPS codes)

Powell(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bison Mountain(quadrangle 1:24,000 scale)

Butte North(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Clark Fork(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 009N 007W 36 SE OF SW Montana

Comments on the location information

  • ON THE E SIDE OF LITTLE BLACKFOOT RIVER. ; INFO FROM LAND.ST :(1954)

Commodities

Commodity Importance
Silver Primary
Lead Primary
Gold Secondary
Zinc Critical Secondary
Copper Secondary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Sphalerite Ore
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Argillization

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Elkhorn Mountain Volcanics
    Rock description Elkhorn Mountain Volcanics
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -112.4245, 46.48629

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith

Ore body information

  • Width 0.91M

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Elliston District

Land status

Ownership category National Forest

Ownership information

  • Type Owner-Operator
    Owner J. F. Hopkins
    Home office 401 N. Montana, Helena, Mt. 59601

Workings at the site

  • Type of workings Underground
    Length 106.68M

Comments on the workings information

  • TWO ADITS, STOPES

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 98, P. 14, 50.

  • Deposit

    USGS BULL 1151, PL. 1.

  • Deposit

    MBMG BULL 109, P. 17.

  • Production

    MBMG BULL 98, P. 50.

General comments

Subject category Comment text
Deposit S ADIT 3 VEINS HAVE BEEN EXPOSED, THEY RANGE FROM 0.5 TO 3.0 FT IN WIDTH. THE N ADIT EXPLORES ONLY ONE VEIN THAT RANGES FROM 4 TO 24 IN IN WIDTH.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1980 Elliott, James E. U.S. Geological Survey
Updater 01-AUG-1981 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