Eldorado Mine

Past Producer in Lemhi county in Idaho, United States with commodities Gold, Copper, Lead
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. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10070423
MRDS ID W013354
Record type Site
Current site name Eldorado Mine
Related records 10144473

Geographic coordinates

Geographic coordinates: -113.67591, 45.24128 (WGS84)
Elevation 2499
Location accuracy 250(meters)
Relative position 11.6 MI N68E OF SALMON

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bohannon Spring(quadrangle 1:24,000 scale)

Salmon(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lemhi(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 Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 022N 023E 13 NW OF NE Idaho

Comments on the location information

  • AT HEAD OF GEERTSON CREEK

Commodities

Commodity Importance
Gold Primary
Copper Tertiary
Lead Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Malachite Ore
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Lemhi
    Rock description Lemhi
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -113.67591, 45.24128

Economic information

Ore body information

  • General form TABULAR

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of last production 1905

Mining district

District name Eldorado District

Land status

Ownership category BLM Administrative Area

Comments on development

  • PATENTED CLAIM. ACTIVE IN EARLY 1880'S.

Reference information

Bibliographic references

  • Deposit

    ANDERSON, A. L., 1957, GEOLOGY AND MINERAL RESOURCES OF THE BAKER QUADRANGLE, LEMHI COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 112, 71 P.

  • Deposit

    MACKENZIE, W. O., 1949, GEOLOGY AND ORE DEPOSITS OF A SECTION OF THE BEAVER HEAD RANGE, EAST OF SALMON, LEMHI COUNTY, IDAHO: MOSCOW, IDAHO, UNIV. OF IDAHO, M.S. THESIS, 52 P.

  • Deposit

    UMPLEBY, J. B., 1913, GEOLOGY AND ORE DEPOSITS OF LEMHI COUNTY, IDAHO: U.S. GEOLOGICAL SURVEY BULL. 528, 82 P.

  • Deposit

    1913 GEOLMAP UMPLEBY; BULL. 528

  • Deposit

    1949 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 112

  • Production

    ANDERSON, A. L., 1957, IDAHO BUREAU OF MINES AND GEOL. PAMPHLET 112, 71 P.

General comments

Subject category Comment text
Deposit ORE SIMILAR TO RANGER MINE. SPARSE SULFIDES AND PATCHES OF OXIDES ON WHITE QUARTZ.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1974 Miller, Pat J. U.S. Geological Survey
Updater 01-FEB-1985 Loen, Jeffrey S. (Pearson, Robert C.) U.S. Geological Survey

Beyond USGS

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