Argo Mine

Past Producer in Broadwater county in Montana, United States with commodities Gold, Silver, 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. 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. Reporter information

Geologic information

Identification information

Deposit ID 10105719
MRDS ID W014692
Record type Site
Current site name Argo Mine
Alternate or previous names Eclipse - Argo
Related records 10294053

Geographic coordinates

Geographic coordinates: -111.58254, 46.6874 (WGS84)
Elevation 1585

Site location context

Political divisions (FIPS codes)

Broadwater(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hellgate Gulch(quadrangle 1:24,000 scale)

Canyon Ferry Dam(quadrangle 1:100,000 scale)

White Sulphur Springs(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Missouri(hydrologic unit)

Upper Missouri(hydrologic accounting unit)

Missouri-Marias(hydrologic subregion)

Missouri(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 Broadwater

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 011N 001E 27 Montana

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Secondary

Materials information

Materials Type of material
Ankerite Ore
Chalcopyrite Ore
Chrysocolla Ore
Malachite Ore
Quartz Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Spokane Formation, Thin-Bedded Green Argillite
    Rock description Spokane Formation, Thin-Bedded Green Argillite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -111.58254, 46.6874

Economic information

Geologic structures

Type of structure Regional
Structure description El Dorado - Lombard Overthrust Boulder Batholith
Type of structure Local
Structure description Broad Northwest-Trending Anticline

Ore body information

  • General form TABULAR, LENTICULAR
    Strike N 70 E
    Dip NW
    Length 500M
    Width 2M

Controls for ore emplacement

  • Tension Fractures Presumed To Be Caused By Overthrusts

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1900
Year of first production 1902

Mining district

District name Hellgate District

Ownership information

  • Type Operator
    Owner Mary Ann Manger And Vincent Cope
  • Type Owner
    Owner Mary Ann Manger And Vincent Cope
    Home office 215 E. Sixth Ave. Apt. 14, Helena, Mt 59601

Workings at the site

  • Type of workings Underground
    Length 1000M
    Overall depth 200M

Comments on the workings information

  • MINE DEVELOPED BY ADITS, WINZES, WITH AT LEAST 9 LEVELS

Reference information

Bibliographic references

  • Deposit

    LAWSON, D. C., 1975, DIRECTORY OF MINING ENTERPRISES FOR 1974: MONT. BUREAU OF MINES GEOL. BULL. 95

  • Deposit

    REED, G. C., 1951, MINES AND MINERAL DEPOSITS (EXCEPT FUELS), BROADWATER COUNTY, MONTANA: U.S. BUREAU OF MINES INF. CIRC. 7592

  • Production

    USBM IC 7592

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1976 Krohn, Douglas H. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references