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  3. Mineral Resource Data System (MRDS)

Comstock Group

Past Producer in Jefferson county in Montana, United States with commodities Lead, Silver, Zinc, Copper, Uranium
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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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10019671
MRDS ID DC11102
Record type Site
Current site name Comstock Group
Related records 10148839

Geographic coordinates

Geographic coordinates: -112.20921, 46.27101 (WGS84)
Location accuracy 250(meters)
Relative position 2.5 MILES E OF BASIN MONT.

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Thompson(quadrangle 1:24,000 scale)

Butte North(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Boulder(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 Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 006N 005W 14,15 W2 (14); E2 (15) Montana

Commodities

Commodity Importance
Lead Primary
Silver Primary
Zinc Critical Secondary
Copper Secondary
Uranium Tertiary

Comments on the commodity information

  • SMALL LEVEL OF RADIOACTIVITY

Materials information

Materials Type of material
Chrysocolla Ore
Galena Ore
Malachite Ore
Sphalerite Ore
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Rock unit name Dacite Dike;Butte Quartz Monzonite (Boulder Batholith
    Rock description Dacite Dike;Butte Quartz Monzonite (Boulder Batholith
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -112.20921, 46.27101
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith
Type of structure Local
Structure description Ne Striking Dacite Dike Cuts Granite And Vein

Ore body information

  • Width 1.98M

Controls for ore emplacement

  • Near Dacite Dike

Economic information about the deposit and operations

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

Mining district

District name Basin (Cataract, Comet) District

Ownership information

  • Type Owner
    Owner Howard Johnson, Butte. (Two Claims Pat) P.K. Williams, Helena, And W.L. Sand Quist And George Mayer,

Comments on the production information

  • SMALL AMOUNT HAS BEEN PRODUCED.

Workings at the site

  • Type of workings Surface/Underground
    Length 121.92M

Comments on the workings information

  • PITS, ADIT, WORKINGS IN GOOD CONDITION 1960

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 16, P. 26, 28

  • Production

    MBMG BULL 16, P. 28.

General comments

Subject category Comment text
Deposit SMALL ORE BODY 2 FT. WIDE BY 10 FT. LONG WAS MINED FROM SURFACE TO 6 FT. DEPTH. IN MAIN ADIT VEIN IS 1-6.5 FT. WIDE AND STOPED ON BOTH SIDES OF DIKE FOR 40 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-74 Unknown U.S. Geological Survey
Updater 01-JUN-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.

Maps centered on this site