Big Lead Lode Mine

Past Producer in Lemhi county in Idaho, United States with commodity Fluorine-Fluorite
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. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10089190
MRDS ID W014235
Record type Site
Current site name Big Lead Lode Mine
Related records 10216911

Geographic coordinates

Geographic coordinates: -114.50403, 44.85488 (WGS84)
Elevation 2118
Relative position 28 MI NW OF ELLIS

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Meyers Cove(quadrangle 1:24,000 scale)

Challis(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Middle Fork Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Salmon-Challis 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 Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 018N 017E 31,29,32,29,32 Idaho

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary

Materials information

Materials Type of material
Fluorite Ore
Chalcedony Gangue

Alteration

  • (Local) Silicified

Analytical data

Result RANDOM SAMPLES NEAR NORTH END OF OUTCROP RANGE 40 - 75 % CAF2
Result SAMPLES NEAR CENTRAL PART AVG. 85 % CAF2

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Challis Volcanics-Tuffaceous Rock
    Rock description Challis Volcanics-Tuffaceous Rock
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff

Nearby scientific data

(1) -114.50403, 44.85488

Economic information

Ore body information

  • General form PINCH & SWELL
    Strike NW
    Dip 40 DEG W.
    Thickness 5.49M
    Length 161.54M
    Width 7.62M

Controls for ore emplacement

  • Fractures

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Discovery year 1942
Discoverer Reese Miles, Roy Johnson

Mining district

District name Gravel Range District

Land status

Ownership category Private

Comments on the workings information

  • GOOD NATURAL OUTCROPS; TRENCHES, PITS, 8 HOLES TOTALLING 2226 FT BY ALCOA IN 1947, SEVERAL ADITS

Reference information

Bibliographic references

  • Deposit

    COX, D. C., 1954, FLUORSPAR DEPOSITS NEAR MEYERS LOVE, LEMHI COUNTY, IDAHO: USGS BULL. 1015-A, 21 P.

  • Deposit

    ANDERSON, A. L., 1954, FLUORSPAR DEPOSITS NEAR MEYERS COVE, LEMHI COUNTY, IDAHO: IDAHO BUREAU OF MINES & GEOLOGY PAMPHLET 98, 34 P.

  • Deposit

    1944 DIREXPL USBM, IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 98

  • Deposit

    1947 DIREXPL ALUMINUM CO. OF AMERICA, IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 98

  • Deposit

    1951 DIREXPL FLUORSPAR MINES, INC., IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 98.

  • Deposit

    1954 OTHER D. C. COX, BULL. 1015-A

  • Production

    ANDERSON, A. L., 1954, IDA. BUREAU OF MINES & GEOL. PAMPHLET 98, P. 19.

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.