Janet 55w

Past Producer in Montana, United States with commodities Platinum, Palladium, Copper, Nickel
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Mining district
  9. Links to other databases
  10. Bibliographic references
  11. General comments
  12. Reporter information

Geologic information

Identification information

Deposit ID 10048496
MRDS ID MP00085
Record type Site
Current site name Janet 55w

Geographic coordinates

Geographic coordinates: -109.62488, 47.03471 (WGS84)
Relative position No latitude-longitude reported. Given lat-lon is for centroid of second order political subdivision boundary.

Site location context

Political divisions (FIPS codes)

Fergus(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Glengarry(quadrangle 1:24,000 scale)

Lewistown(quadrangle 1:100,000 scale)

Lewistown(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Judith(hydrologic unit)

Fort Peck Lake(hydrologic accounting unit)

Missouri-Musselshell(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State
United States Montana

Commodities

Commodity Importance
Platinum Critical Primary
Palladium Critical Primary
Copper Secondary
Nickel Critical Secondary

Analytical data

Result AN INTERVAL 1.5-3 M WIDE CONTAINED 7.2 PPM PT+PD

Nearby scientific data

(1) -109.62488, 47.03471

Economic information

Comments on the geologic information

  • BRONZITITE MAY BE A COGNATE XENOLITH WITHIN THE BANDED SERIES

Economic information about the deposit and operations

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

Mining district

District name In Stillwater Complex

Reference information

Bibliographic references

  • Analytical Data

    CONN, 1979

  • Deposit

    CONN, H.K., 1979, THE JOHNS-MANVILLE PLATINUM-PALLADIUM PROSPECT, STILLWATER COMPLEX, MONTANA, U.S.A.: CANADIAN MINERALOGIST, V. 17, P. 463-468

General comments

Subject category Comment text
Deposit MINERALIZED ZONES ARE DISCONTINUOUS; UNPUBLISHED MODEL NAME: DISCORDANT PGE MINERALIZATION.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-94 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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