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NBMG Sample Site 1491

Occurrence in Pershing county in Nevada, United States with commodities Gold, Silver
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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. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10047323
MRDS ID M242608
Record type Site
Current site name NBMG Sample Site 1491
Related records 10296418

Geographic coordinates

Geographic coordinates: -118.74127, 40.50322 (WGS84)
Elevation 1555

Site location context

Political divisions (FIPS codes)

Pershing(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rocky Canyon(quadrangle 1:24,000 scale)

Eugene Mountains(quadrangle 1:100,000 scale)

Lovelock(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Granite Springs Valley(hydrologic unit)

Truckee(hydrologic accounting unit)

Central Lahontan(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management NV)

Bureau of Land Management NV BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Nevada Pershing

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 031N 029E 32 SE OF SE Nevada

Comments on the location information

  • INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Gold Ore
Clay Gangue
Fluorite Gangue
Quartz Gangue
Sericite Gangue

Alteration

  • (Local) Kaolinization Of Rhyolite

Analytical data

Result SAMPLE 1491 CONTAINS 3% FE, 1% MG, 2% CA, 1% TI, 1500 PPM MN, 1.5 PPM AG, 50 PPM B, 200 PPM BA, 2 PPM BE, 10 PPM CR, 5 PPM CU, 50 PPM LA, 50 PPM MO, 7 PPM NI, 20 PPM PB, 10 PPM SC, 20 PPM V, 50 PPM Y, 200 PPM ZR.

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 Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -118.74127, 40.50322
ListMap

Economic information

Ore body information

  • General form TABULAR
    Strike N 20 E
    Dip 90
    Width 1.83M

Controls for ore emplacement

  • Shear Zone (N 20 E, Vertical)

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Farrell District; Stone House District; Seven Troughs District (Northern Part)

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • OLD PITS, ADITS ALONG N 20 E TREND

Comments on development

  • INACTIVE IN 1984

Reference information

Bibliographic references

  • Deposit

    TINGLEY, J.V., 1984, NBMG FIELD EXAMINATION 7 JUN 84, AND SAMPLE ANALYSIS.

  • Deposit

    JOHNSON, M.G., 1977, NBMG BULL 89, PL. I.

General comments

Subject category Comment text
Deposit LINE OF PITS, SHORT ADITS ON N 20 E VERTICAL SHEAR ZONE IN KAOLINIZED RHYOLITE FLOW. ZONE EXPOSED 5-6 FT WIDE IN ONE CAVED PORTAL, ZONE MOSTLY CLAY, SERICITE WITH FE OXIDE STAIN, VERY SPARSEVEIN QUARTZ WITH SOME FLUORITE ON DUMP, APPARENTLY PODS OF VEIN MATERIAL OCCUR ALONG SHEAR ZONE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1985 La Pointe, D.D. (Tingley, J.V.) 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.

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.