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Juno -Echo Mine

Past Producer in Stevens county in Washington, United States with commodities Copper, Molybdenum, Tungsten, Silver, Gold
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Production statistics
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10042353
MRDS ID M060109
Record type Site
Current site name Juno -Echo Mine
Alternate or previous names Western Molybdenum

Geographic coordinates

Geographic coordinates: -117.68471, 48.29096 (WGS84)
Elevation 655
Relative position 2 MILES NE OF CHEWELAH, WASHINGTON

Site location context

Political divisions (FIPS codes)

Stevens(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Chewelah(quadrangle 1:24,000 scale)

Chewelah(quadrangle 1:100,000 scale)

Sandpoint(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Colville(hydrologic unit)

Upper Columbia(hydrologic accounting unit)

Upper Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Washington Stevens

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 032N 041E 07 Washington

Commodities

Commodity Importance
Copper Primary
Molybdenum Primary
Tungsten Critical Secondary
Silver Secondary
Gold Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Molybdenite Ore
Scheelite Ore
Pyrite Gangue

Alteration

  • (Local) Calc-Silicates In Marble.

Analytical data

Result 0.95% CU, 0.44% MO, 0.12% WO3, 0.75 OZ/TON AG, TR. AU ACROSS MINABLE WIDTH

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Flowery Trail Granodiorite, Monzonite
    Rock description Flowery Trail Granodiorite, Monzonite
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble
    Rock unit name Fine Grained White To Green Marble
    Rock description Fine Grained White To Green Marble

Nearby scientific data

(1) Carboniferous rocks
ListMap

Economic information

Ore body information

  • General form LENS
    Strike NE
    Dip 75 SE
    Thickness 1.83M
    Length 60.96M
    Depth to top 0M
    Depth to bottom 91.44M

Controls for ore emplacement

  • Northeast Trending Faults Near Marble - Monzonite Contact

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1916

Mining district

District name Chewelah

Ownership information

  • Type Operator
    Owner Western Molybdenum Corp.

Production statistics

  • Year 1941
    Period 1916 - 1941
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^2.4 % Cu, 0.004 Oz Ag/T, Tr Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 2wt-pct
    Trace Ore Silver Silver 0g/mt

Comments on the production information

  • IN 1941, 300 TO 400 TONS WERE MINED AND MILLED FOR MOS2 BUT DID NOT MEET SPECIFICATIONS.

Workings at the site

  • Type of workings Unknown
    Length 411.48M
    Overall depth 91.44M

Comments on the workings information

  • MINE IS DEVELOPED BY 300 FT VERTICAL SHAFT AND 885 FEET OF DRIFTS AND CROSSCUTS ON 3 LEVELS. ADIT IS A DRIFT 110 FT LONG AND 60 FT CROSSCUT.

Reference information

Bibliographic references

  • Deposit

    PURDY, C.P. JR. 1954, MOLYBDENUM OCCURRENCES OF WASHINGTON: WASHINGTON DIV. MINES AND GEOLOGY RPT. INV. NO. 18, P. 74-86

  • Deposit

    CLARK, L.D. AND MILLER, F.K., 1968, GEOLOGY OF THE CHEWELAH MOUNTAIN QUADRANGLE, STEVENS COUNTY, WASHINGTON: WASHINGTON DIV. OF MINES AND GEOLOGY, GEOLOGIC MAP GM-5

  • Deposit

    WEAVER, C.E. 1920, THE MINERAL RESOURCES OF STEVENS COUNTY: WASHINGTON GEOLOGICAL SURVEY BULL. 20, P. 153-154

  • Deposit

    HUNTTING, M.T. 1956, INVENTORY OF WASHINGTON MINERALS PART II METALLIC MINERALS: WASHINGTON DIV. MINES AND GEOLOGY BULL. 37, VOL. 1, P. 98

  • Deposit

    1915 DIREXPL JUNO-ECHO MINING AND MILLING CO.

  • Deposit

    1918 DIREXPL JUNO-ECHO COPPER COMPANY

  • Deposit

    1938 DIREXPL WESTERN MOLYBDENUM COPORATION

  • Deposit

    1942 GEOLMAP J. R. COOPER, UNPUBLISHED REPORT.

  • Production

    HUNTTING, M.T. 1956, WASH. DIV. MINES GEOLOGY BULL. 37

General comments

Subject category Comment text
Deposit THE MAIN VEIN CHARACTERIZED IN PLACES BY A SINGLE GOUGE BAND A FEW INCHES THICK AND ELSEWHERE BY A ZONE OF BRECCIATION 4 TO 6 FT WIDE. ORE BODIES LENTICULAR IN PLAN AND ARE AS MUCH AS 130 FT LONG AND 4 FT WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1973 Puffett, Willard P. U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site