NBMG Sample Site 2927

Occurrence in Pershing county in Nevada, United States with commodities Gold, Silver, Copper
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. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10047486
MRDS ID M242844
Record type Site
Current site name NBMG Sample Site 2927

Geographic coordinates

Geographic coordinates: -119.03239, 40.77571 (WGS84)
Elevation 1414

Site location context

Political divisions (FIPS codes)

Pershing(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Trego Hot Springs(quadrangle 1:24,000 scale)

Gerlach(quadrangle 1:100,000 scale)

Lovelock(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Quinn(hydrologic unit)

Black Rock Desert(hydrologic accounting unit)

Black Rock Desert-Humboldt(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 034N 026E Nevada

Comments on the location information

  • INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Tertiary

Materials information

Materials Type of material
Gold Ore
Tetrahedrite Ore
Quartz Gangue

Analytical data

Result SAMPLE 2927 SELECTED FROM DUMPS AND PROSPECTS, CONTAINS 2 % FE, 0.1 % MG, 0.3 % CA, 0.015 % TI, 1000 PPM MN, 10 PPM AG, 200 PPM AS, 7000 PPM B, 200 PPM BA, 50 PPM BI, 5 PPM CO, 3000 PPM CU, 5 PPM NI, 150 PPM PB, 100 SB, 200 PPM V, AND 1.1 PPM AU (BY AA ANALYSIS).

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 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) -119.03239, 40.77571

Economic information

Ore body information

  • General form TEBULAR

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1930

Mining district

District name Trego Mining Area

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • SEVERAL CAVED ADITS, REMNANTS OF CABIN, AND 0.5 MILE OF HAND-BUILT ROAD; PROSPECTS.

Comments on development

  • ROAD WAS BUILT BY HAND LONG AGO; NO ACTIVITY WHEN EXAMINED IN 1985.

Reference information

Bibliographic references

  • Deposit

    QUADE, JACK, 5 JUN 1985, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS.

  • Deposit

    NBMG STAFF, 1985, NBMG OFR 85-3.

  • Deposit

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

General comments

Subject category Comment text
Deposit ALL WORKINGS ARE ON QUARTZ VEINS IN GRANODIORITE. VEINS BEAR TO THE SE AND ARE NARROW, VUGGY, AND PARTLY BRECCIATED WITH UNDIFFERENTIATED SULFIDES, COPPER MINERALS AND TERTRAHEDRITE?

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1987 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.

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.