Capital Mine

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

Geologic information

Identification information

Deposit ID 10019844
MRDS ID DC11699
Record type Site
Current site name Capital Mine
Alternate or previous names Cave Gulch
Related records 10269189

Geographic coordinates

Geographic coordinates: -112.85256, 45.34796 (WGS84)
Elevation 2316
Relative position 4 AIR MILES NORTH OF ARGENTA

Site location context

Political divisions (FIPS codes)

Beaverhead(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Argenta(quadrangle 1:24,000 scale)

Dillon(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Beaverhead(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 Beaverhead

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 006S 010W 05 NW OF NE Montana

Commodities

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

Materials information

Materials Type of material
Galena Ore
Iron Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation

Analytical data

Result SELECTED GRAB SAMPLE OF IRON OXIDE ORE ASSAYED 5.40% PB, 0.8% ZN, 0.70% CU, 3.20 OZ/TON AG, AND 0.14 OZ/TON AU

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Missoula
    Rock description Missoula
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) Three Forks and Jefferson Formations

Economic information

Ore body information

  • Width 0.01M

Controls for ore emplacement

  • Fracture Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1940

Mining district

District name Argenta District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Spokane National Mines, Inc.
    First year 1972
  • Type Owner
    Owner Lee James
    Home office Polaris
    First year 1972

Comments on the production information

  • PRODUCTION IN 1940-41, 1948-49, 1952-53.

Comments on the workings information

  • OPEN CUT, 20FT DEEP X 60FT WIDE. 250FT BELOW CUT, 2 ADITS WERE DRIVEN S TOWARD FRACTURE ZONE. DUMP MATERIAL INDICATES ZONE NOT FOUND.

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 85, P. 45

  • Deposit

    1972 COMPILE M.B.M.G. BULL. 85

  • Production

    M.B.M.G. BULL 85.

General comments

Subject category Comment text
Deposit NETWORK OF CLOSELY SPACED MINERALIZED FRACTURES 1/2 INCH WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-JUL-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