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Little Jupiter Mine

Producer in Pershing county in Nevada, United States with commodities Gold, Silver, Copper, Lead, Zinc
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Production statistics
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10042613
MRDS ID M060461
Record type Site
Current site name Little Jupiter Mine
Alternate or previous names NBMG Sample Site 2349, Jewel Box, Rowland

Geographic coordinates

Geographic coordinates: -117.84819, 40.73517 (WGS84)
Elevation 1890

Site location context

Political divisions (FIPS codes)

Pershing(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Natchez Pass(quadrangle 1:24,000 scale)

Winnemucca(quadrangle 1:100,000 scale)

Winnemucca(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 033N 037E 17 SW OF SW OF 17 Nevada

Comments on the location information

  • PREVIOUS QUAD DESIGNATION = DUN GLEN (1961) 1:625000

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Copper Secondary
Lead Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Sphalerite Ore
Tetrahedrite Ore
Quartz Gangue

Analytical data

Result SAMPLE 2349 OF SELECT QUARTZ VEIN MATTER WITH GALENA AND SPHALERITE FROM A RECENTLY MINED ORE PILE CONTAINS 0.1 % -FE, 0.02 % MG, 0.002 % TI, 20 PPM MN, 15 PPM AG, 5.3 PPM AU (B-Y AA ANALYSIS), 20 PPM B, 100 PPM BA, 100 PPM CD, 10 PPM CR, 5- PPM CU, 5 PPM NI, 1500 PPM PB, 10000 PPM ZN, 100 PPM ZR.

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic)
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Koipato Formation
    Rock description Koipato Formation

Nearby scientific data

(1) -117.84819, 40.73517
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Shear Zone

Ore body information

  • General form TABULAR
    Strike N-S TO N50W
    Dip THE N50W ZONE DIPS 30 SW
    Thickness 15.24M
    Length 320.04M

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Sierra District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Circle A Construction , Marvin Aslett, Pres.
    Home office P. O. Box 1608, Winnemucca, Nv 89445.
    First year 1985

Production statistics

  • Year 1934
    Period 1933-1934
    Material ORE AU AG
    Accuracy Accurate
    Description Cp_Grade: ^Average 2.96 Oz/T Au, 7.26 Oz/T Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Gold Gold 84g/mt
    Ore Silver Silver 205g/mt

Comments on the workings information

  • SEVERAL ADITS WITH OVER 2175 FT OF WORKINGS ON 3 LEVELS, SHALLOW PITS, OPEN CUTS, MODERATE-SIZED DUMPS, HOUSE

Comments on development

  • THE MINE HAS BEEN CONTINUOUSLY ACTIVE SINCE AT LEAST 1975 TO PRESENT, EMPLOYING FROM 3 TO 7 WORKERS. IT WAS REPORT-ED IN 1983 BY SUNATO DEVELOPMENT CORP THAT NEGOTIATIONS HAD BE-EN COMPLETED TO PURCHASE THE LITTLE JUPITER MINE WITH TWO TARG-ET AREAS: THE EASTERN (JEWEL BOX) AND WESTERN (ROWLAND) ZONES.- A PROGRAM OF DRILLING IS REVERSE CIRCULATION HOLES TO A DEPTH- OF 200 FT WAS RECOMMENDED TO SAMPLE BOTH TARGETS. CIRCLE A CO-NSTRUCTION (MARVIN ASLETT, PRESIDENT) WAS STILL LISTED AS OWNE-R AT THE TIME OF AN NBMG FIELD EXAMINATION IN 1984 AS IT HAD B-EEN SINCE 1980. THERE WAS A PERIOD FROM 1975 TO 1980 WHEN HAFI-N LEAVITT WAS LISTED AS LESSEE/OPERATOR OF THE MINE. IN 1984 T-HERE WERE NO PEOPLE ON THE SITE, BUT MINING EQUIPMENT WAS ON T-HE DUMP OF THE LOWER ADIT, AND ORE HAD RECENTLY BEEN MINED AND- HAULED ON THE ROAD TO GRASS VALLEY.

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    GARSIDE, L. J., 29 SEP 84, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS.

  • Deposit

    NBMG STAFF, 1985, NBMG OFR 85-3.

  • Deposit

    JONES, R. B. AND PAPKE, K. G., 1984, NBMG MAP 84.

  • Deposit

    STATE DIVISION OF MINE INSPECTION, 1976-1985, DIRECTORIES OF NEVADA MINE OPERATIONS ACTIVE DURING CALENDAR YEARS 1-975-1984 INCLUSIVE.

  • Deposit

    GEORGE CROSS NEWS LETTER LTD. NO. 6, 1983.

  • Production

    JOHNSON, M.G., 1977

General comments

Subject category Comment text
Deposit MASSIVE WHITE QUARTZ VEINS CUT IRON-STAINED METARHYOLITE. QUARTZ VEIN MATTER IS MILKY MASSIVE AND CONTAINS SCATTER-ED 1-6 MM BLEBS OF GALENA AND SPHALERITE. RHYOLITIC WALLROCK A-SSOCIATED WITH THE ORE IS ARGILLICALLY ALTERED. THE STRUCTURE -PRESENTLY MINED IS ACCESSED FROM THE LOWER ADIT; NO UNDERGROUN-D EXAMINATION WAS MADE AND NO STRUCTURE IS PRESENT AT THE PORT-AL. AN ADIT HIGHER ON THE HILLSIDE EXPLORES A N50W, 30 SW SHEA-R ZONE IN METARHYOLITE. QUARTZ VEIN MATTER ON THE DUMP SUGGEST-S THAT THE SHEAR ZONE HAS A QUARTZ VEIN ALONG IT IN THE WORKIN-GS. THE EASTERN (JEWEL BOX) TARGET ZONE COMPRISES SEVERAL N-S--TRENDING QUARTZ-FLOODED SHEAR ZONES. SAMPLE RESULTS FROM THESE- ZONES RANGE FROM 0.01 TO 3.37 OZ/TON OF GOLD. THE HIGHGRADE T-ARGET STRUCTURE IN THE JEWEL BOX AREA ON THE 6060 LEVEL RETURN-ED VALUES OF 3.37 OZ/TON OVER 22 FT OF WIDTH AND A VALUE OF 0.-71 OZ/TON OVER 19 FT FURTHER ALONG STRIKE. THE AVERAGE VALUE O-F 7 SAMPLES OVER A 24-FT WIDTH ON AN EXPOSED STRIKE LENGTH OF -80
Deposit FT WAS 1.078 OZ/TON GOLD. SELECTED SHIPMENTS FROM THIS ZONE- PRIOR TO 1900 WERE REPORTED TO AVERAGE 3-5 OZ/TON GOLD. A PAR-ALLEL STRUCTURE AVERAGES 0.091 OZ/TON OVER A 17 FT WIDTH. THE -JEWEL BOX ZONE CAN BE TRACED FOR OVER 450 FT OF STRIKE LENGTH,- AND, BASED ON QUARTZ-FLOODED ZONES EXPOSED IN SHALLOW PITS AN-D SHORT ADITS, HAS THE POTENTIAL FOR AT LEAST ANOTHER 600 FT. -THE WEST TARGET (ROWLAND ZONE) CONSISTS OF A NW-TRENDING QUART-Z STOCKWORK SYSTEM 30-50 FT WIDE. INDIVIDUAL VEINS IN THE SYST-EM HAVE ASSAYED AS HIGH AS 4.01 OZ/T GOLD AND 19.14 OZ/T AG OV-ER A 1-FT WIDTH. THE WEIGHTED AVERAGE VALUE OF SAMPLING IN THE- ROWLAND TARGET IS 0.115 OZ/T AU AND 5.76 OZ/T AG. A LARGE COM-POSITE SAMPLE FROM THE DUMP OF AN OPEN CUT IN THE WESTERN PART- OF THE ROWLAND ZONE RETURNED 0.104 OZ/T AU AND 3.68 OZ/T AG. -REPORTED SHIPMENTS IN 1933 AND 1934 TOTALLED 138 TONS AVERAGIN-G 2.96 OZ/T AU AND 7.26 OZ/T AG. SEVERAL OTHER LOWER GRADE GOL-D-BEARING STRUCTURES EXIST ON THE PROPERTY. OTHER THAN
Deposit MIN PS,84610101MM0604610101*M0604610101*M110 M0604610101*M110 AETS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1973 Johnson, Maureen G. Nevada Bureau of Mines and Geology
Updater 01-JUN-1986 La Pointe, D.D. (Tingley, J.V.) Nevada Bureau of Mines and Geology
Updater 01-FEB-1981 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.