Janus Group

Occurrence in Madison county in Montana, United States with commodities Silver, Gold, 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. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10090779
MRDS ID D003643
Record type Site
Current site name Janus Group

Geographic coordinates

Geographic coordinates: -111.88419, 45.36657 (WGS84)
Elevation 2012

Site location context

Political divisions (FIPS codes)

Madison(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Virginia City(quadrangle 1:24,000 scale)

Ennis(quadrangle 1:100,000 scale)

Bozeman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Madison(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Montana Madison

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 007S 003W 01,11,12 Montana

Commodities

Commodity Importance
Silver Primary
Gold Primary
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -111.88419, 45.36657

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Virginia City

Reference information

Bibliographic references

  • Deposit

    TANSLEY, W., SHAFER, P. A., HART, L. H., 1933 , GEOL. REC. OF TOBACCO ROOT MTNS., MADISON COUNTY, MONTANA: MONTANA BUREAU OF MINES AND GEOL., MEMO NO. 9 , 57 P

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1978 Hasler, J. William U.S. Geological Survey

Beyond USGS

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