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Idora Mine

Past Producer in Shoshone county in Idaho, United States with commodities Copper, Gold, Lead, Silver, Zinc
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10266232
MRDS ID W026674
MAS/MILS ID 0160790405
Record type Site
Current site name Idora Mine
Related records 10078375

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -115.85962, 47.56597 (WGS84)
Elevation 1373
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Shoshone(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Burke(quadrangle 1:24,000 scale)

Thompson Falls(quadrangle 1:100,000 scale)

Wallace(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Coeur d'Alene(hydrologic unit)

Spokane(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management ID)

Bureau of Land Management ID BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Idaho Shoshone

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 049 N 005 E 30 N2SENE Idaho

Commodities

Commodity Importance
Copper Tertiary
Gold Tertiary
Lead Tertiary
Silver Tertiary
Zinc Critical Tertiary

Nearby scientific data

Main Entrance (1) Prichard Formation.
ListMap

Economic information

Ore body information

  • Strike N65W
    Dip 75S
    Thickness 125M
    Length 150M
    Width 1M
    Field Value
    MAS Matrix # 1
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 FISSURE VEIN
    Type of Orebody #3 SHEAR ZONE
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin METAMORPHISM
    Primary Ore Control FAULTING
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N65W:75S
    Date of Last Modification 820827

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1907

Ownership information

  • Type Owner
    Owner Idora Silver Mines, Inc.
    Interest 100
    Home office Idaho
    Year 1975
  • Type Operator
    Owner Day Mines, Inc.
    Home office Idaho
    Year 1975

Reference information

Bibliographic references

  • Deposit

    UMPLEBY AND JONES 1923 USGS BULL 732 P 83

  • Deposit

    GRIGGS 1952 USGS OP-FILE REP: GEOL NOTES ORE DEP CANYON-9MIL

  • Deposit

    FRYKLUND (WITH A SECTION BY WEIS) 1964 USGS PROF PAPER 445

  • Deposit

    CROSBY 1959 PROFESSIONAL ENGINEERING THESIS UNIV OF MINNESO

General comments

Subject category Comment text
Deposit 5-75 THE IDORA IS ONE OF SEVERAL MINES NOW PART OF THE MONIT (GROUP) OPERATED BY DAY MINES INC. 5-75 TOTAL PRODUCTION FOR THE IDORA WAS 36,288 METRIC TONS O WITH AN AVERAGE GRADE OF 1.1 OZ AG 2.5% PB 2.4%ZN.

Reporter information

Type Date Name Affiliation Comment
Reporter 21-OCT-1990 Kauffman, John D. U.S. Bureau of Mines

Beyond USGS

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

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