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Big Four Mine

Past Producer in Lander county in Nevada, United States with commodities Silver, Gold, Lead
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Geologic information

Identification information

Deposit ID 10043986
MRDS ID M231299
Record type Site
Current site name Big Four Mine
Alternate or previous names Annex Mine

Geographic coordinates

Geographic coordinates: -117.11372, 40.54129 (WGS84)
Elevation 2012
Relative position 12 MILES SW OF TOWN OF BATTLE MOUNTAIN
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Geographic areas

Country State County
United States Nevada Lander

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 031N 043E 22 Nevada

Comments on the location information

  • ON KNOLL JUST WEST OF BUZZARD MINE

Commodities

Commodity Importance
Silver Primary
Gold Secondary
Lead Secondary

Materials information

Materials Type of material
Galena Ore

Analytical data

Result 1937 ORE AVERAGED 0.43 OZ. AU & 74 OZ AG. PER TON.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Harmony Formation
    Rock description Harmony Formation
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -117.11372, 40.54129
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Geologic structures

Type Description Terms
Regional Dewitt Thrust Fault
Local N-Trending Fault

Ore body information

  • General form TABULAR
    Strike N
    Dip STEEPLY W

Controls for ore emplacement

  • Fault Zone

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year <1935
Discoverer F. Chaghon And W. And D. Mac Donald, And V. C. Clark

Mining district

District name Battle Mountain District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Operator
    Owner H. B. Chessher (Optioned In
    Last year 1954
  • Type Owner
    Owner Swackhamer, O. E., And Family
    First year 1930
    Last year 1965

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 16.76M

Comments on the workings information

  • SHAFT, ADIT, OPEN CUTS

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M231299

Bibliographic references

  • Deposit

    STEWART, J. H., MCKEE, E. H. AND STAGER, H. K., 1977, GEOLOGY AND MINERAL DEPOSITS OF LANDER COUNTY, NEVADA: NBMG BULL. 88.

  • Deposit

    ROBERTS, R. J. AND ARNOLD, D. C., 1965, ORE DEPOSITS OF THE ANTLER PEAK QUADRANGLE HUMBOLDT AND LANDER COUNTIES, NEVADA; U.S.G.S. PROF. PAPER 459-B.

  • Production

    ROBERTS, R. J. AND ARNOLD, D.C., 1965

General comments

Subject category Comment text
Deposit THE FOUR UNPATENTED CLAIMS WERE FIRST LOCATED BY F. CHAGNON AND W. AND D. MAC DONALD AND V. C. CLARK. THE PROPERTY WAS PURCHASED BY O. E. SWACKHAMER IN THE EARLY 1930'S AND REMAINED IN HIS FAMILY THROUGH 1965. IN 1954 THE CLAIMS WERE OPTIONED TO H. B. CHESSHER. THE WORKINGS CONSIST OF A 55-FOOT SHAFT, A SHORT ADIT AND SEVERAL OPEN CUTS. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1980 Flynn, Patricia Dodd Nevada Bureau of Mines and Geology