Imperial Group Mine

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

Geologic information

Identification information

Deposit ID 10070675
MRDS ID W013706
Record type Site
Current site name Imperial Group Mine
Related records 10168142

Geographic coordinates

Geographic coordinates: -114.40731, 43.58849 (WGS84)
Elevation 2012
Relative position 6 MI. NW OF HAILEY

Site location context

Political divisions (FIPS codes)

Blaine(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mahoney Butte(quadrangle 1:24,000 scale)

Sun Valley(quadrangle 1:100,000 scale)

Hailey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Big Wood(hydrologic unit)

Upper Snake(hydrologic accounting unit)

Upper Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Sawtooth National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Blaine

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 003N 017E 14,15,22,23 Idaho

Commodities

Commodity Importance
Silver Primary
Lead Primary
Copper Secondary
Zinc Critical Secondary
Gold Secondary

Materials information

Materials Type of material
Calcite Gangue
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Pennsylvanian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Wood River Formation-Limestone, Calcareous Quartzite
    Rock description Wood River Formation-Limestone, Calcareous Quartzite

Nearby scientific data

(1) -114.40731, 43.58849

Economic information

Ore body information

  • General form STRINGERS

Controls for ore emplacement

  • Sheared, Brecciated

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Mineral Hill District

Land status

Ownership category National Forest
Area name Sawtooth National Forest

Ownership information

  • Type Owner
    Owner Hailey Bonanza Mining Co.

Production statistics

  • Year 1919
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^48.2 % Pb, .4 % Cu, 4. % Zn, 3. % Fe, .075 Oz/Ton Au, 56.6 Oz/Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Lead Lead 48wt-pct
    Ore Iron Iron 3wt-pct
    Major Ore Gold Gold 2g/mt
    Major Ore Zinc Zinc 4wt-pct
    Minor Ore Copper Copper 0wt-pct
    Major Ore Silver Silver 1598g/mt
  • Year 1920
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^38.65 % Pb, .3 % Cu, 7.7 % Zn, 3.3 % Fe, .013 Oz/Tonau, 47 Oz/Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Lead Lead 39wt-pct
    Ore Iron Iron 3wt-pct
    Major Ore Gold Gold 0g/mt
    Major Ore Zinc Zinc 8wt-pct
    Minor Ore Copper Copper 0wt-pct
    Major Ore Silver Silver 1327g/mt

Workings at the site

  • Type of workings Underground
    Length 304.8M

Comments on the workings information

  • SEVERAL SHORT TUNNELS FOLLOW OTHER LODES WITH AN AVERAGE STRIKE OF N 25 DEG W AND DIP STEEPLY WEST.

Reference information

Bibliographic references

  • Deposit

    UMPLEBY, J. B., AND OTHERS, 1930, GEOLOGY AND ORE DEPOSITS OF THE WOOD RIVER REGION, IDAHO, WITH A DESCRIPTION OF THE MINNIE MOORE AND NEAR-BY MINES: USGS BULL. 814, P. 1-245

  • Deposit

    1930 GEOLMAP J. B. UMPLEBY AND OTHERS, BULL. 81

  • Production

    UMPLEBY, J.B., AND OTHERS, 1930, USGS BULL. 814.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Everett, Sandra E. (Miller, Pat) U.S. Geological Survey

Beyond USGS

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