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Big Ledge Mine

Past Producer in Churchill county in Nevada, United States with commodities Silver, Gold
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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. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10047607
MRDS ID M243017
Record type Site
Current site name Big Ledge Mine
Alternate or previous names NBMG Sample Site 3818, Jelinek Mine In Part

Geographic coordinates

Geographic coordinates: -118.18513, 39.20269 (WGS84)
Elevation 1835

Site location context

Political divisions (FIPS codes)

Churchill(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bell Canyon(quadrangle 1:24,000 scale)

Fallon(quadrangle 1:100,000 scale)

Reno(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Dixie Valley(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

DOD(Federal land areas administered by DOD)

Geographic areas

Country State County
United States Nevada Churchill

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 016N 034E 32 Nevada

Comments on the location information

  • INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Silver Primary
Gold Primary

Materials information

Materials Type of material
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification Of Wall Rock, Mostly On South Or Hanging Wall Side

Analytical data

Result SAMPLE 3818 CHIPPED FROM VEIN AND SELECTED FROM UPPER DUMPS, CONTAINS 0.15% FE, 0.015% TI, 30 PPM MN, 1000 PPM AG, 100 PPM BA, 2 PPM BE, 30 PPM CU, 5 PPM MO, 70 PPM PB, 20 PPM ZR, AND 13 PPM AU (BY A A ANALYSIS).

Mineral occurrence model information

Model code 150
USGS model code 25c
Deposit model name Epithermal vein, Comstock
Mark3 model number 16

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -118.18513, 39.20269
ListMap

Economic information

Ore body information

  • Width 6.1M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1906
Discoverer Horgan And D'Arcy

Mining district

District name Fairview District

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • OPEN STOPE AND ADIT ON WEST SIDE OF BIG LEDGE #2.

Comments on development

  • SOLD TO DAVIS IN 1906, WORKED UNTIL 1916, SOLD TO JELINER WHO WORKED THE MINE INTO THE 1920'S. INACTIVE IN 1986

Reference information

Bibliographic references

  • Deposit

    QUADE, JACK AND TINGLEY, J.V., 19 OCT 86, NBMG FIELD EXAMINATION AND SAMPLE ANALYSES.

  • Deposit

    SCHRADER, F.C., 1947, UNPUB. REPORT ON CARSON SINK AREA

  • Deposit

    NBMG BULL 83, 1974, P. 71-74.

General comments

Subject category Comment text
Deposit VEIN AND SILICIFIED OUTCROP BOLD OUTCROPS. VEINS FORMED BOTH BY FISSURE FILLING AND REPLACEMENT OF ADJACENT WALLROCK. VEIN MATERIAL CONSISTS OF VUGGY QUARTZ WITH GREY SPECKS OF SILVER SULFIDE. SOME VEINS CONTAIN CALCITE AND FRAGMENTS OF SILICIFIED AND REPLACED RHYOCITE BRECCIA.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1986 La Pointe, D.D. (Tingley, J.V.) Nevada Bureau of Mines and Geology

Beyond USGS

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

Maps centered on this site

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.