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Black Jack Mine

Past Producer in Pershing county in Nevada, United States with commodity Mercury
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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. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Land status
  18. Ownership information
  19. Production statistics
  20. Workings at the site
  21. Links to other databases
  22. Bibliographic references
  23. General comments
  24. Reporter information

Geologic information

Identification information

Deposit ID 10040305
MRDS ID M055017
Record type Site
Current site name Black Jack Mine
Alternate or previous names Eldorado, Rudy, Pearl, NBMG Sample Sites 2521, 2522
Related records 10149920, 10271773

Geographic coordinates

Geographic coordinates: -118.2182, 40.52683 (WGS84)
Elevation 2012
Relative position 31 MI. NE OF LOVELOCK

Site location context

Political divisions (FIPS codes)

Pershing(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Star Peak(quadrangle 1:24,000 scale)

Eugene Mountains(quadrangle 1:100,000 scale)

Lovelock(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Humboldt(hydrologic unit)

Humboldt(hydrologic accounting unit)

Black Rock Desert-Humboldt(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Nevada Pershing

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 031N 033E 25 SE Nevada

Comments on the location information

  • ACCESSIBLE BY FAIR ROAD UP ELDORADO CANYON; PARTIALLY WASHED OUT.

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore
Calcite Gangue
Jarosite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification

Analytical data

Result ORE RAN TO 40 LB HG PER TON. SAMPLE 2521 IS AN ORE BIN GRAB SAMPLE OF JASPEROID AND GOSSAN, WITH SILICIFICATION, CALCITE VEINS, IRON OXIDES-, SB OXIDES? AND CONTAINS 20 % FE, 0.1 % MG, 2 % CA, 0.1 % TI,-10PPM MM,.5 PPM AG, 70 PPM B, 700 PPM BA, 100 PPM CR, 200 PPM -CU, 150 PPM MO, 50 PPM NI, 20 PPM PB, 300 PPM SR, 2000 PPM V, -200 PPM ZN, 30 PPM ZR. SAMPLE 2522 IS AN ORE BIN SELECT SAMPLE- OF PRIDA LIMESTONE WITH CALCITE VEINS, RECRYSTALLIZATION, CIN-NABAR, MARCASITE? AND IT CONTAINS 0.2 % FE, 0.5 % MG, +20 % CA-, 0.07 % TI, 100 PPM MN, 100 PPM BA, 5 PPM MO, 10 PPM NI, 2000- PPM SR, 150 PPM V, 20 PPM Y.

Mineral occurrence model information

Model code 178
USGS model code 27b
Deposit model name Almaden Hg

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -118.2182, 40.52683
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Humboldt Range ; Reg.Trends: North To Northeast
Type of structure Local
Structure description Low-Angle Shears At Shale-Limestone Contact.

Ore body information

  • General form TABULAR
    Strike N40-50W
    Dip 30NE
    Thickness 0.61M
    Length 33.53M
    Width 12.19M

Controls for ore emplacement

  • Shale Beneath Limestone

Comments on the geologic information

  • CONCENTRATION OF CINNABAR PRIMARILY CONTROLLED BY NEARLY FLAT CONTACT BETWEEN SHALE AND OVERLYING MASSIVE LIMESTONE. ; MAJOR.UNITS: TRIASSIC SEDIMENTARY ROCKS ; GEOL.DESC: TRIASSIC LIMESTONE AND SHALE INTRUDED BY JURASSIC (?) GRANITE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1906
Year of first production 1913
Year of last production 1969
Production years 1913, 1940-1941

Mining district

District name Imlay District; Humboldt District; Eldorado District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Bonnie Noble And V. C. Biggs
    First year 1984

Production statistics

  • Year 1914
    Period 1913-1914
    Material HG
    Accuracy Accurate
    Description Cp_Grade: ^7-20 Lb/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Mercury Mercury 6099g/mt

Comments on the reserve resource information

  • POSSIBLE RESERVES IN 1943.

Workings at the site

  • Type of workings Underground
    Length 868.68M
    Overall depth 45.72M

Comments on the workings information

  • WORKINGS CONSIST OF ABOUT 1,000 FT OF ADITS AND INTERCONNECTING STOPES.; OPEN CUT, DRILL HOLES PRESENT IN 1984

Comments on development

  • FIRST STAKED IN 1906 AS THE RUBY CLAIM AND IS THE ONDEST KNOWN CINNABAR DEPOSIT OF CONSEQUENCE IN NEVADA. OPERATED IN 1913 AS THE RUBY MINE PRODUCING 425 FLASKS FROM A 12-PIPE RETORT BUILT IN THE CANYON BELOW THE MINE. 347 FLASKS RECOVERED IN 1914, BUT AFTER EXHAUSTION OF THE RICH ORE, THE PROPERTY REMAINED IDLE FOR OVER 25 YEARS. IN 1939, T. W. HEBBARD AND H. E. LUFEK RELOCATED THE PROPERTY AND CHANGED ITS NAME TO THE ELDORADO MINE. IN 1941-42, 199 FLASKS HG WERE PRODUCED FROM ORE HANDSORTED AT THE MINE SITE AND SLEDDED OUT IN WINTER TO THE RETORT SITE. IDLE IN 1943. WITH HIGHER HG PRICES, IN 195455 THE GROUND WAS RELOCATED AS THE BLACK JACK AND NOS. 1-6 CLAIMS BY BRIGGS AND FRANK NOBLE. A 25 TON GAS-FIRED ROTARY FURNACE PLANT WAS INSTALLED IN 1955 BY EARL SIMPSON, AND BY 1959, 263 FLASKS RECORDED PRODUCTION. IN 1961 AND 1964 A VERY FEW FLASKS WERE PRODUCED, PERHAPS BY A CLEANUP. FROM 1965 TO 1969, OWNERS REPORTED MINING, SCREENING AND MILLING ORE, BUT THE ONLY PRODUCTON RECORDED WAS
  • 20 FLASKS IN 1965. SINCE 1969, SOME UNDERGROUND AND SURFACE WORK HAS BEEN DONE WITH NO PRODUCTION RECORDED. IN 1981, THE SMALL SCREENING PLANT INSTALLED HIGH ON THE HILL NEAR THE PORTAL OF ONE OF THE LOWER ADITS WAS STILL ON THE PROPERTY AND THE REMAINS OF THE OLD RETORT WERE STILL AT THE MILL SITE IN THE CANYON ALTHOUGH THE ROTARY FURNACE HAD BEEN COMPLETELY REMOVED. IN 1984, SEVERAL DRILL ROADS 2-3 YEARS OLD AND 4 OR MORE ROTARY DRILL HOLES BENEATH THE MERCURY MINE WERE NOTED, BUT NO CURRENT ACTIVITY.

Reference information

Bibliographic references

  • Deposit

    JOHNSON, M.G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA: NBMG BULL. 89

  • Deposit

    BAILEY AND PHOENIX, 1941, QUICKSILVER DEPOSITS IN NEVADA: NBMG BULL. 41

  • Deposit

    HOLMES, 1965, MERCURY IN NEVADA; IN USBM 1C 8252

  • Deposit

    SILBERLING AND WALLACE, 1967, GEOLOGIC MAP OF THE IMLAY QUADRANGLE, PERSHING COUNTY, NEVADA: USGS MAP GQ - 666.

  • Deposit

    BONHAM, H. F., JR., 5 AUG 84, NBMG FIELD EXAMINATION REPORT AND SAMPLE ANALYSIS

  • Deposit

    BAILEY, E. H., RYTUBA, J. J., AND JONES, R. B., 1984, UNPUBLISHED DATA ON HG DEPOSITS OF NEVADA, NBMG FILES.

  • Deposit

    VANDERBURG, W. O., 1936, USBM IC 6902, P. 18.

  • Deposit

    LINCOLN, F. C., 1923, NEVADA MINING DISTRICTS AND MINERAL RESOURCES; RENO, NV.

  • Production

    BAILEY, ET AL., 1984.

General comments

Subject category Comment text
Deposit CONCENTRATION OF CINNABAR PRIMARILY CONTROLLED BY NEARLY FLAT CONTACT BETWEEN SHALE AND OVERLYING MASSIVE LIMESTONE. CINNABAR OCCURS IN A THIN-BEDDED LIMESTONE LAYER IN THE UPPER MEMBER OF THE PRIDA FM. THE CINNABAR OCCURS IN RECR-YSTALLIZED GRAY LIMESTONE WITH WHITE CALCITE VEINLETS. THE CIN-NABAR OCCURS ALONG FRACTURES AND DISSEMINATED ALONG BEDDING PL-ANES AS SMALL CRYSTALS UP TO 0.5 MM. THE MINERALIZED ZONE STRI-KES N40-50W AND DIPS 30 NE. THE MINERALIZED LIMESTONE IS ENVEL-OPED BY BRECCIATED AND SILICIFIED LIMESTONE (JASPERIOD) WITH L-ENSES OF GOSSAN. THERE IS NO VISIBLE CINNABAR IN THE JASPERIOD- OR GOSSAN.
Deposit DISCOVERED IN 1906. PRODUCTION YEARS 1913 AND 1940-41. WORKINGS CONSIST OF ABOUT 1,000 FEET OF ADITS AND INTERCONNECTING STOPES FROM WHICH ALL OF THE ORE WAS MINED. ROCKS OF THE AREA CONSIST OF LIMESTONE WITH THIN BLACK SHALE INTERBEDS PART OF THE TRIASSIC STAR PEAK FORMATION. THE PROPERTY IS THE OLDEST KNOWN CINNABAR DEPOSIT OF IMPORTANCE IN NEVADA. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1975 Gassaway, Judith S. Nevada Bureau of Mines and Geology
Updater 01-OCT-1985 La Pointe, D.D. (Tingley, J.V.) Nevada Bureau of Mines and Geology
Updater 01-OCT-1980 Royse, Sue E. Nevada Bureau of Mines and Geology
Updater 01-SEP-1994 Li, Zhiping (Peters, S.) U.S. Geological Survey

Beyond USGS

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

External references

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.