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Mineral Mountain Mine

Producer in Shoshone county in Idaho, United States with commodities Silver, Lead, Copper, Zinc, Nickel, Cobalt, Antimony
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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. 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. Reserves and resources
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10073446
MRDS ID W019537
Record type Site
Current site name Mineral Mountain Mine
Alternate or previous names Polaris Group, Chester Group
Related records 10120520

Geographic coordinates

Geographic coordinates: -116.05523, 47.50457 (WGS84)
Elevation 907
Relative position 5 MI NW OF WALLACE. ABOUT 1 MI SW OF OSBURN

Site location context

Political divisions (FIPS codes)

Shoshone(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Kellogg East(quadrangle 1:24,000 scale)

Coeur D'Alene(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)

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 048N 003E 15,14 Idaho

Comments on the location information

  • NEAR HEAD OF POLARIS GULCH, E OF YANKEE BOY; MINERAL MTN MINE IS IN SPRING GUL

Commodities

Commodity Importance
Silver Primary
Lead Secondary
Copper Secondary
Zinc Critical Tertiary
Nickel Critical Tertiary
Cobalt Critical Tertiary
Antimony Critical Tertiary

Materials information

Materials Type of material
Anglesite Ore
Boulangerite Ore
Bournonite Ore
Chalcopyrite Ore
Erythrite Ore
Galena Ore
Gersdorffite Ore
Proustite Ore
Pyrargyrite Ore
Tetrahedrite Ore
Ankerite Gangue
Calcite Gangue
Pyrite Gangue
Quartz Gangue
Siderite Gangue

Alteration

  • (Local) Bleaching; Sericitization

Analytical data

Result ORE HAD ABOUT 180 OZ. AG/TON, WITH 10 % CU AND 8 % PB.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name St. Regis Formation-Quartzitic Sandstones; Shales;Wallace Formation-Sandstones; Calcareous Shales
    Rock description St. Regis Formation-Quartzitic Sandstones; Shales;Wallace Formation-Sandstones; Calcareous Shales
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -116.05523, 47.50457
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Ag Ore Occurs In Subsided Block Between The Polaris And Big Creek Faults.

Ore body information

  • General form BUNCHES
    Strike N 87 DEG E
    Dip 72 DEG S
    Plunge direction E
    Length 45.72M
    Width 1.83M

Controls for ore emplacement

  • Complex Fracture Zone

Comments on the geologic information

  • SLATES STRIKE N 70 DEG W AND DIP 60 DEG SW.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1884
Discoverer W. B. Heyburn
Year of first production 1886

Mining district

District name Coeur D' Alene District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Hecla Min. Co.
  • Type Owner
    Owner Hecla Mining Co.

Reserves and resources

  • Type In-situ
    Estimate year 1968
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 1273.428 g/mt Silver Major 1968

Workings at the site

  • Type of workings Underground
    Length 737.62M

Comments on development

  • PRINCIPAL VEINS ARE THE POLARIS, CHESTER, AND SILVER SUMMIT. HECLA GOT CONTROLLING INTEREST IN POLARIS IN 1931 AND POLARIS MERGED INTO HECLA IN 1958

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit BOTH PAY SHOOTS SAID TO PITCH E. MINE IN THE PAGE GALENA MINERAL BELT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1975 Miller, Pat J. 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