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  3. Mineral Resource Data System (MRDS)

Boulder Mines

Producer in Blaine county in Idaho, United States with commodities Gold, Silver, Lead, Copper, 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. 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 10070604
MRDS ID W013606
Record type Site
Current site name Boulder Mines
Alternate or previous names Golden Glow and Boulder Consolidated

Geographic coordinates

Geographic coordinates: -114.51232, 43.83909 (WGS84)
Elevation 2743
Relative position 8 MI. ESE OF GALENA, ID.

Site location context

Political divisions (FIPS codes)

Blaine(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Easley Hot Springs(quadrangle 1:24,000 scale)

Sun Valley(quadrangle 1:100,000 scale)

Hailey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower 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
006N 017E 18 Idaho

Commodities

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

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Galena Ore
Malachite Ore
Sphalerite Ore
Tetrahedrite Ore
Calcite Gangue
Hematite Gangue
Limonite Gangue
Pyrite Gangue
Quartz Gangue
Siderite Gangue

Analytical data

Result SAMPLES FROM CACHE SHAFT: .34 OZ. AU/TON
Result 61.9 OZ. AG/TON
Result 21.2% PB. ONE ORE SHOOT CONTAINED VALUES FROM 30 - 70% PB.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Sills, Dikes-Andesite Porphyry, Granite Porphyry
    Rock description Sills, Dikes-Andesite Porphyry, Granite Porphyry
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Wood River Formation-Quartzite, Limestone, Dolomite, Slate, Argillite
    Rock description Wood River Form.-Quartzite, Limestone, Dolomite, Slate, Argillite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite

Nearby scientific data

(1) -114.51232, 43.83909
ListMap

Economic information

Ore body information

  • General form LENSES, PODS, STRINGERS, BLEBS
    Strike NE
    Dip STEEP S
    Length 42.67M
    Width 2.44M

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name North Fork Of Wood River District

Land status

Ownership category National Forest
Area name Sawtooth National Forest

Ownership information

  • Type Owner
    Owner George Castel

Production statistics

  • Year 1911
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^43. % Pb - 58. % Pb, 1. % Cu - 2. % Cu, .32 Oz/Ton Au - .63 Oz/Ton Au, 56 Oz/Ton Ag - 92 Oz/Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Lead Lead 51wt-pct
    Minor Ore Gold Gold 13g/mt
    Major Ore Copper Copper 2wt-pct
    Major Ore Silver Silver 2089g/mt

Workings at the site

  • Type of workings Underground
    Length 609.6M

Comments on the workings information

  • 20 CLAIMS WITH EXTENSIVE WORKINGS, SHAFTS, ADITS, ON SEVERAL SHEAR ZONES.

Comments on development

  • 23 CLAIMS IN 1914.

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1976 Murphy, Lyn S.; Miller, Pat U.S. Geological Survey

Beyond USGS

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

Maps centered on this site