Osborne Mine

Past Producer in Boise county in Idaho, United States with commodities Gold, Silver, Zinc, Lead, Antimony
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. Production statistics
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10089057
MRDS ID W007919
Record type Site
Current site name Osborne Mine
Related records 10144086

Geographic coordinates

Geographic coordinates: -116.22207, 43.90848 (WGS84)
Elevation 884
Relative position 1 1/4 MI SW OF HORSESHOE BEND, IDAHO

Site location context

Political divisions (FIPS codes)

Boise(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Horseshoe Bend(quadrangle 1:24,000 scale)

Boise(quadrangle 1:100,000 scale)

Boise(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Payette(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(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 Boise

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 007N 002E 33 Idaho

Comments on the location information

  • ON THE S. SIDE OF THE PAYETTE R.

Commodities

Commodity Importance
Gold Primary
Silver Primary
Zinc Critical Tertiary
Lead Tertiary
Antimony Critical Tertiary

Materials information

Materials Type of material
Boulangerite Ore
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Tetrahedrite Ore
Calcite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Fe Stains

Analytical data

Result PICKED ORE: 1.93 OZ AU/TON, 9.7 OZ AG/TON. AVERAGE ASSAYS: ABOUT 0.40 OZ. AU/TON

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Rock unit name Dacite Porphyry;Lamprophyre Dike;Diorite;Idaho Batholith-Quartz Diorite
    Rock description Dacite Porphyry;Lamprophyre Dike;Diorite;Idaho Batholith-Quartz Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -116.22207, 43.90848

Economic information

Ore body information

  • General form LINEAR, LENSES
    Strike N 70 DEG E
    Dip N
    Thickness 3.66M
    Length 396.24M

Controls for ore emplacement

  • Fissure Zone

Economic information about the deposit and operations

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

Mining district

District name Westview District

Land status

Ownership category BLM Administrative Area

Production statistics

  • Year 1919
    Period 1911 - 1919
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^Avg Assays 0.40 Oz Au/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Gold Gold 11g/mt

Workings at the site

  • Type of workings Surface/Underground
    Length 1524M
    Overall depth 121.92M

Comments on the workings information

  • SEVERAL MINOR SURFACE CUTS

Comments on development

  • 5 UNPATENTED CLAIMS ( 1929 )

Reference information

Bibliographic references

  • Deposit

    ANDERSON, ALBERT L., 1934, GEOLOGY OF PEARL - HORSESHOE BEND GOLD BELT, IDAHO: IDAHO BUREAU OF MINES & GEOL. PAMPHLET 41, P. 32

  • Deposit

    CAMPBELL, S., 1930 , 31ST ANN. REPT. OF THE IDAHO MINE INSPECTOR FOR 1929 .

  • Deposit

    1934 GEOLMAP IDAHO BUREAU OF MINES & GEOL. PAM. 41

  • Production

    ANDERSON, A. L., 1934, IDAHO BUREAU OF MINES & GEOL. PAMPHLET 41, P. 32.

General comments

Subject category Comment text
Deposit ONE LODE DIPS S. LODE ALONG CONTACT OF DIORITE AND DACITE PORPHYRY DIKE DIPS 40 DEG N

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1975 Steigner, William D. U.S. Geological Survey

Beyond USGS

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