Excelsior Mine

Past Producer in Custer county in Idaho, United States with commodities Lead, Silver
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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  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. Reporter information

Geologic information

Identification information

Deposit ID 10071083
MRDS ID W014295
Record type Site
Current site name Excelsior Mine

Geographic coordinates

Geographic coordinates: -114.30202, 44.40179 (WGS84)
Elevation 2012
Relative position 8 MI SSW OF CHALLIS

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bayhorse(quadrangle 1:24,000 scale)

White Cloud Peaks(quadrangle 1:100,000 scale)

Challis(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

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 Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 012N 018E 02 Idaho

Comments on the location information

  • 1500 FT NE BAYHORSE, N SIDE BAYHORSE CR.

Commodities

Commodity Importance
Lead Primary
Silver Primary

Alteration

  • (Local) Fe, Mn Stained

Analytical data

Result ORE ANALYSIS: 40 - 60% PB, 50 - 60 OZ AG/TON

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Bayhorse Dolomite-Dolomitic Limestone; Ramshorn Slates
    Rock description Bayhorse Dolomite-Dolomitic Limestone;Ramshorn Slates
    Stratigraphic age (youngest) Late Cambrian

Nearby scientific data

(1) -114.30202, 44.40179

Economic information

Geologic structures

Type of structure Regional
Structure description Bayhorse Anticline

Ore body information

  • General form LENTICULAR
    Strike NW
    Dip NE
    Length 60.96M
    Width 6.1M

Controls for ore emplacement

  • Structure - Mine On Axis Of Bayhorse Anticline; Fissures

Economic information about the deposit and operations

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

Mining district

District name Bayhorse District

Land status

Ownership category BLM Administrative Area

Production statistics

  • Year 1883
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^35. % Pb, 75 Oz/Ton Oz
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Lead Lead 35wt-pct

Comments on the production information

  • 1883 PRODUCTION VALUE $8000.

Workings at the site

  • Type of workings Underground
    Overall depth 152.4M

Comments on the workings information

  • 1 TUNNEL, 1 WINZE

Reference information

Bibliographic references

  • Deposit

    UMPLEBY, J. B., 1913, SOME ORE DEPOSITS IN NORTHWESTERN CUSTER COUNTY, IDAHO: USGS BULL. 539, 104 P.

  • Deposit

    ROSS, C. P., 1937, GEOLOGY AND ORE DEPOSITS OF THE BAYHORSE REGION, CUSTER COUNTY, IDAHO: USGS BULL. 877, 161 P.

  • Deposit

    BELL, R. N., 1935, THE GOLD RESOURCES OF IDAHO: MINING AND CONTRACTING REVIEW, V. 33, NO. 37, P. 6 - 7.

  • Deposit

    1913 GEOLMAP UMPLEBY, J. B., BULL. 539

  • Deposit

    1937 GEOLMAP ROSS, C. P., BULL. 877

  • Production

    ROSS, C. P., 1937, USGS BULL. 877, P. 128.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey

Beyond USGS

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