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  3. Mineral Resource Data System (MRDS)

Jancke Claims

Occurrence in Pershing county in Nevada, United States with commodities Gold, Arsenic
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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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10047333
MRDS ID M242619
Record type Site
Current site name Jancke Claims
Alternate or previous names NBMG Sample Sites 2849, 2850

Geographic coordinates

Geographic coordinates: -118.33792, 40.82628 (WGS84)
Elevation 1433

Site location context

Political divisions (FIPS codes)

Pershing(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Alpha Mountain(quadrangle 1:24,000 scale)

Eugene Mountains(quadrangle 1:100,000 scale)

Lovelock(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Quinn(hydrologic unit)

Black Rock Desert(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 034N 032E 11 Nevada

Comments on the location information

  • ON ALPHA MOUNTAIN, NW SIDE ; INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Gold Primary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Quartz Gangue

Analytical data

Result SAMPLE 2849 CUT FROM THE QUARTZ VEIN IN THE MAIN ADIT CONTAINS 5% FE, 0.02% MG, 0.1% CA, 0.015% TI, 100 PPM MN, 1 PPM AG, 10000 PPM AS, 0.2 PPM AU (AA ANALYSIS), 20 PPM B, 100 PPM BA, 20 PPM CO, 100 PPM CU, 7 PPM NI, 10 PPM V. SAMPLE 2850 OF MOSTLY ARSENOPYRITE FROM THE VEIN AND GOUGE ZONE CONTAINS 20% FE, 0.02% MG, 0.2% CA, 0.02% TI, 50 PPM MN, 3 PPM AG, +10000 PPM AS, 6 PPM AU (AA ANALYSIS), 70 PPM B, 50 PPM BA, 200 PPM BI, 150 PPM CO, 20 PPM CU, 5 PPM NI, 15 PPM PB, 200 PPM SB, 10 PPM V.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -118.33792, 40.82628
ListMap

Economic information

Ore body information

  • General form TABULAR
    Strike S 50 W
    Dip 50 SE
    Width 0.36M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1935
Discoverer Otto Jancke

Mining district

District name Haystack District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Otto Jancke And D. C. Miller, Lessees In 1936.
  • Type Owner
    Owner Southern Pacific Railroad

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 4.57M

Comments on the workings information

  • A NUMBER OF OPEN CUTS, SHALLOW OLD ADITS AND PROSPECTS WITH MORE RECENT BULLDOZING

Comments on development

  • VERY LITTLE PROSPECTING APPEARS TO HAVE BEEN DONE HERE CONSIDERING THE HISTORY OF MINERALIZATION (1984) LAND OWNED BY SOUTHERN PACIFIC RAILROAD

Reference information

Bibliographic references

  • Deposit

    JOHNSON, M.G., 1977, NBMG BULL 89, P. 57-58

  • Deposit

    QUADE, JACK, 15 SEP 84, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS

  • Deposit

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

General comments

Subject category Comment text
Deposit 4 PARALLEL QUARTZ VEINS UP TO 14 INCHES WIDE WITH GOUGE OR SOLID MINERAL OF ARSENOPYRITE ON THE FOOTWALL. OLD WORKINGS HAVE BEEN PARTIALLY BULLDOZED.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1985 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.