Douglas Mine

Past Producer in Shoshone county in Idaho, United States with commodities Lead, Zinc, Silver, Copper
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. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Production statistics
  19. Reserves and resources
  20. Workings at the site
  21. Links to other databases
  22. Bibliographic references
  23. General comments
  24. Reporter information

Geologic information

Identification information

Deposit ID 10073432
MRDS ID W019510
Record type Site
Current site name Douglas Mine
Related records 10145003

Geographic coordinates

Geographic coordinates: -116.18381, 47.45487 (WGS84)
Elevation 840
Relative position 6 MI SSW OF KELLOGG

Site location context

Political divisions (FIPS codes)

Shoshone(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Masonia(quadrangle 1:24,000 scale)

Saint Maries(quadrangle 1:100,000 scale)

Spokane(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork Coeur d'Alene(hydrologic unit)

Spokane(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Idaho Shoshone

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 048N;047N 002E;002E 34,35;02,03 Idaho

Comments on the location information

  • 6 MI S OF KING PROPERTY. 1 MI N OF CONSTITUTION MINE. ON E. FK PINE CREEK

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Silver Primary
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Tetrahedrite Ore
Ankerite Gangue
Marcasite Gangue
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue
Siderite Gangue

Alteration

  • (Local) Fe Stains

Analytical data

Result ORE REPORTEDLY CARRIES 20 % ZN, 4 - 8 % PB, 3 - 6 OZ AG / TON
Result AND ABOUT 6 % FE ON THE AVERAGE.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Prichard Formation-Slate, Quartzose Argillite
    Rock description Prichard Formation-Slate, Quartzose Argillite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -116.18381, 47.45487

Economic information

Geologic structures

Type of structure Local
Structure description Brecciation

Ore body information

  • Strike N 80 DEG W
    Dip 60 DEG S
    Length 192.02M
    Width 2.13M

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1898
Year of first production 1916

Mining district

District name Coeur D'Alene District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Douglas Mining Co., Virgil Bebb
  • Type Owner
    Owner Douglas Mining Co., Kellogg, Id.

Production statistics

  • Year 1942
    Period 1916 - 1942
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^5.38 Oz. Ag, 8.38 % Pb, 24.47 % Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Zinc Zinc 24wt-pct
    Trace Ore Lead Lead 8wt-pct
    Ore Silver Silver 152g/mt
  • Year 1943
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^11 % Zn, 4 % Pb, 4 Oz Ag / Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Zinc Zinc 11wt-pct
    Ore Silver Silver 113g/mt
    Trace Ore Lead Lead 4wt-pct

Comments on the production information

  • ITEM 1 STOCK PILED IN 1943

Reserves and resources

  • Type In-situ
    Estimate year 1944
    Measured 7000mt ore
    Indicated 7000mt ore
    Inferred 5000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 6.2 wt-pct Lead Major 1944
    Zinc Zn 22.6 wt-pct Zinc Major 1944

Comments on the reserve resource information

  • ITEMS 1 - 3 FROM DOUGLAS VEIN. ITEM H4, TOTAL FOR MARMION VEIN.

Workings at the site

  • Type of workings Underground
    Length 557.78M

Comments on the workings information

  • 2 VEINS, EAST AND WEST, HAVE SAME ATTITUDE AND SIMILAR LENGTHS.

Comments on development

  • 7 FULL CLAIMS, 2 FRACTIONS, ALL PATENTED (1920) 125 - TON MILL AND 10 ADDITIONAL CLAIMS (1944)

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit IN 1944 , CONTROL OF THE DOUGLAS CO. WAS BY SULLIVAN MINING CO. WHICH WAS CONTROLLED JOINTLY BY HECLA AND BUNKER HILL. MINIMUM MINABLE ORE LIMIT ( 1944 ) ESTIMATED AT 18 - INCH WIDTH OF 25 % ZN.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1975 Miller, Pat J. U.S. Geological Survey

Beyond USGS

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