Mosher Prospect

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

Geologic information

Identification information

Deposit ID 10094769
MRDS ID DC08327
Record type Site
Current site name Mosher Prospect

Geographic coordinates

Geographic coordinates: -114.30237, 47.91627 (WGS84)
Elevation 1219
Relative position 1 MI NW OF SKAGS LAKE

Site location context

Political divisions (FIPS codes)

Lake(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Proctor(quadrangle 1:24,000 scale)

Polson(quadrangle 1:100,000 scale)

Wallace(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Flathead Lake(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Montana Lake

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 025N 021W 21 Montana

Comments on the location information

  • ON THE NORTH FORK DAYTON CREEK

Commodities

Commodity Importance
Copper Primary
Silver Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Malachite Ore
Tenorite Ore
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

(1) -114.30237, 47.91627

Economic information

Geologic structures

Type of structure Regional
Structure description Nw-Plunging Anticline To The West. Large Scale N-Trending And W-Trending Faults To The Ne.
Type of structure Local
Structure description Two Nw-Trending Faults.

Ore body information

  • Strike N 80 DEG W
    Dip 80 DEG S
    Width 0.3M

Comments on the geologic information

  • HOST ROCK STRIKES N 15 DEG W AND DIPS 26 DEG E FISSURE VEINS IN THIS AREA TEND TO LIE PARALLEL TO FAULTS ; GEOL.DESC: 10-12 INCH MASS. QTZ VEIN

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1910
Discoverer Joe Mosher

Mining district

District name Chief Cliff District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Bill Adams

Workings at the site

  • Type of workings Surface/Underground
    Length 100.58M

Comments on the workings information

  • WORKINGS CONSIST OF A STILL ACCESSIBLE 330 FT ADIT, AN INACCESSIBLE SHAFTAND 4 TRENCHES.

Comments on development

  • LAND CURRENTLY USED FOR GRAZING AND TIMBER ; ECON.COM: APPROXIMATELY $40000 WAS SPENT ON DEVELOPMENT

Reference information

Bibliographic references

  • Deposit

    JOHNS, W. M., 1964 , GEOLOGIC INVESTIGATIONS IN THE KOOTENAI - FLATHEAD AREA, NORTHWEST MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY BULL. 42 , PP. 46 - 47 .

  • Deposit

    JOHNS, W. M., 1970 , GEOLOGY AND MINERAL DEPOSITS OF LINCOLN AND FLATHEAD COUNTIES, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY BULL. 79 , PP 144 - 145 .

  • Deposit

    CONSV. DIV. COMP. DATE, 12-22-1970

General comments

Subject category Comment text
Deposit 10-12 INCH VEIN OF WHITE MASSIVE QUARTZ CONTAINING SOME AZURITE AND MALACHITE EXPOSED AT THE COLLAR OF THE SHAFT. IN THE TUNNEL, A FEW 1/32 TO 1/16 INCH VEINLETS CONTAINING CHALCOPYRITE AND SOME TENORITE ARE INTERSECTED 100-120 FT FROM THE PORTAL.
Deposit 25 FT SHAFT, 330 FT-ADIT ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-MAY-1979 Rojstaczer, Stuart A. U.S. Geological Survey

Beyond USGS

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