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Switchback Prospect

Occurrence in Mineral county in Montana, United States with commodities Gold, Copper
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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. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10094279
MRDS ID D003837
Record type Site
Current site name Switchback Prospect

Geographic coordinates

Geographic coordinates: -115.53795, 47.38654 (WGS84)
Elevation 1463
Relative position 2 MI SW OF SALTESE

Site location context

Political divisions (FIPS codes)

Mineral(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Saltese(quadrangle 1:24,000 scale)

Wallace(quadrangle 1:100,000 scale)

Wallace(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Lolo 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 Mineral

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 019N 031W 22 SW Montana

Comments on the location information

  • ALONG MONITOR RD, BETWEEN SILVER AND BIG SUNDAY CREEKS.

Commodities

Commodity Importance
Gold Primary
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Siderite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Wallace Formation
    Rock description Wallace Formation
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -115.53795, 47.38654
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Large Scale Nw Trending Fault (Silver Creek) With Throws Ranging From 2000 To Several Thousand Ft

Comments on the geologic information

  • SILVER CREEK FAULT MAY BE CONTINUOUS WITH FAULTS ON THE ATLAS PROPERTY NEAR MULLAN, ID. WHERE 20 FT WIDE VEINS OF AN KERITE CONTAINING CHALCOPYRITE AND SOME GALENA ARE KNOWN.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name (Unorganized)

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Length 45.72M

Comments on the workings information

  • ONE ADIT WITH 150 FT OF DRIFT EXISTED AND ANOTHER TUNNEL WAS BEING EXCAVATED AT TIME OF 1912 EXAMINATION.

Reference information

Bibliographic references

  • Deposit

    CALKINS, F. C. AND JONES, E. L. JR., 1914 , ECONOMIC GEOLOGY OF THE REGION AROUND MULLAN, IDAHO AND, SALTESE, MONTANA: US GEOLOGICAL SURVEY BULL. 540 , P. 197 .

  • Deposit

    WALLACE, R. E. AND HOSTERMAN, J. W., 1956 , RECONNAISANCE GEOLOGY OF WESTERN MINERAL COUNTY, MONTANA: US GEOLOGICAL SURVEY BULL. 1027-M, P. 608 , PL. 48 .

General comments

Subject category Comment text
Deposit VEIN AVERAGES ONLY A FEW INCHES IN THICKNESS AND THE ORE WAS SAID TO CARRY $2 PER TON IN AU.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1979 Rojstaczer, Stuart A. 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