Jumbo Mine

Occurrence in Lake county in Montana, United States with commodities Lead, Silver, Copper, Gold
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. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10019020
MRDS ID DC08326
Record type Site
Current site name Jumbo Mine

Geographic coordinates

Geographic coordinates: -114.35959, 47.95488 (WGS84)
Elevation 1524
Relative position 2 MI NW OF BASIN MEADOWS

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 06 SE OF SW OF NW Montana

Comments on the location information

  • ON A TRIBUTARY OF THE NORTH FORK OF DAYTON CREEK.

Commodities

Commodity Importance
Lead Primary
Silver Primary
Copper Secondary
Gold Secondary

Materials information

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

Analytical data

Result STOCKPILED PORTION OF VUGGY WHITE QUARTZ VEIN ASSAYED 10.20 % PB, 1.40 OZ/TON AG AND 0.003 OZ/TON AU. ANOTHER SAMPLE OF FIELD MATERIAL FROM THE DUMP CONTAINED SMALL AMOUNTS OF GOLD, SILVER AND COPPER.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -114.35959, 47.95488

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 East.

Ore body information

  • Strike N 85 DEG W
    Dip EAST
    Width 0.61M

Comments on the geologic information

  • FISSURE VEINS TEND TO LIE PARALLEL TO FAULTS IN THIS AREA. HOST ROCKS STRIKE NW AND DIP EAST.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1914

Mining district

District name Chief Cliff District

Land status

Ownership category National Forest

Comments on the workings information

  • WORKINGS CONSIST OF ONE ADIT AND ONE SHAFT - BOTH OF WHICH ARE CAVED - AS WELL AS A 40 FT TRENCH AND TWO SHALLOW PITS.

Comments on development

  • PROPERTY HAS BEEN IDLE SINCE 1926 . A DUMP CONTAINING ABOUT 50,000 TONS OF WASTE ROCK, INDICATES CONSIDERABLE DEVELOPMENT WORK.

Reference information

Bibliographic references

  • Analytical Data

    SRC.REF: JOHNS, W. M., 1970 : MONTANA BUREAU OF MINES AND GEOLOGY BULL. 79 , P. 144 .

  • Deposit

    JOHNS, W. M., 1964 , GEOLOGIC INVESTIGATIONS IN THE KOOTENAI - FLATHEAD AREA, NORTHWEST MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY BULL. 42 , PP. 45 - 46 .

  • Deposit

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

  • Deposit

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

General comments

Subject category Comment text
Deposit CONTACT WITH VEIN IS COVERED. VEIN WIDTH HAS BEEN ESTIMATED FROM QUARTZ BOULDERS IN THE STOCKPILE TO BE IN EXCESS OF 2 FT. QUARTZ IS VUGGY.

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.

External references