Democrat Mine

Past Producer in Blaine county in Idaho, United States with commodities Silver, Lead, Gold, Zinc
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. Land status
  16. Ownership information
  17. Production statistics
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10070676
MRDS ID W013707
Record type Site
Current site name Democrat Mine
Alternate or previous names Idaho-Democrat Mine
Related records 10143816

Geographic coordinates

Geographic coordinates: -114.4042, 43.5256 (WGS84)
Elevation 1829
Relative position 4 1/2 MI. WEST 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)

Geographic areas

Country State County
United States Idaho Blaine

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 002N 017E 11 Idaho

Comments on the location information

  • NEAR HEAD OF DEMOCRAT CREEK

Commodities

Commodity Importance
Silver Primary
Lead Primary
Gold Secondary
Zinc Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Tetrahedrite Ore
Pyrite Gangue
Quartz Gangue
Siderite Gangue

Alteration

  • (Local) Oxidation, Sericitization

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Early Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Idaho Batholith-Granodiorite, Quartz Monzonite
    Rock description Idaho Batholith-Granodiorite, Quartz Monzonite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Wood River Formation-Limestone
    Rock description Wood River Formation-Limestone

Nearby scientific data

(1) -114.4042, 43.5256

Economic information

Ore body information

  • Strike NW
    Dip 60 DEG S.
    Width 2.44M

Controls for ore emplacement

  • Shear Zone, Faultslip

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 Private

Ownership information

  • Type Operator
    Owner Bartlett, A. W.

Production statistics

  • Year 1901
    Period 1883-1901
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^Au, 126 Oz Ag/Ton, Avg. 61% Pb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Lead Lead 61wt-pct
    Major Ore Silver Silver 3558g/mt

Comments on the production information

  • PRINCIPAL ACTIVITY BEFORE 1890, WHEN NEARLY 2/3 OF TOTAL PB-AG ORE WAS PRODUCED, GROSS VALUE ABOUT $300,000. 7 CARLOADS OF ORE PRODUCED IN 1906 RAN 60% PB AND 112 OZ/TON AG.

Comments on development

  • 11 PATENTED CLAIMS

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

    BELL, R.N., 1907, EIGHTH ANNUAL MINING INDUSTRY OF IDAHO FOR 1906

  • Deposit

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

  • Production

    ITEMS 8-14, UMPLEBY, J. B., 1930, USGS BULL. 814; ITEMS 1, 17, BELL, R. N., 1907, EIGHT ANNUAL MINING REPORT.

Reporter information

Type Date Name Affiliation Comment
Reporter 1976-07-01 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.

External references