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Thomsen Mine

Past Producer 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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10104128
MRDS ID M242618
Record type Site
Current site name Thomsen Mine
Alternate or previous names NBMG Sample Site 2851

Geographic coordinates

Geographic coordinates: -118.49488, 40.81656 (WGS84)
Elevation 1737

Site location context

Political divisions (FIPS codes)

Pershing(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Long Canyon(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)

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 031E 16,21 NEAR CENTER OF N2 (16); NW (21) Nevada

Comments on the location information

  • PROPERTY IS 6 MILES UP LONG CANYON ON GOOD ROAD. WORKINGS COVER MOST OF SECTION 16 AND THE NW CORNER OF SECTION 21. . INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Limonite Gangue
Quartz Gangue

Analytical data

Result SAMPLE 2851 OF HIGHLY OXIDIZED LIMONITIC PORTION OF VEIN CONTAINS 10% FE, 0.5% MG, 7% CA, 1% TI, 1500 PPM MN, 0.5 PPM AG, 3000 PPM AS, 0.25 PPM AU (AA ANALYSIS), 50 PPM B, 1000 PPM BA, 30 PPM CO, 100 PPM CR, 100 PPM CU, 5 PPM MO, 15 PPM NI, 30 PPM PB, 20 PPM SC, 300 SR, 150 PPM V, 30 PPM Y, 150 PPM ZR.

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

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) -118.49488, 40.81656
ListMap

Economic information

Controls for ore emplacement

  • Ne Trending Shears

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Haystack District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Merv Thomsen Of Battle Mountain, Nevada
    First year 1984

Comments on the workings information

  • OPEN PIT; ROADS, WATER SYSTEM

Comments on development

  • MINE HAS PRODUCED FOR 30 YEARS OR MORE. EARLY LODE CLAIMS; LATER A PLACER PROPERTY. EXTENSIVE DEVELOPMENT INCLUDES A $300,000 WATER SYSTEM, LARGE PIT CONSTRUCTION AND ROAD DEVELOPMENT.

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

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

General comments

Subject category Comment text
Deposit SMALL GOLD-BEARING QUARTZ VEINS IN GRANODIORITE; IN SHEARS. ONE SHEAR ON THE N SIDE OF THE PROPERTY HAS STRINGERS OF QUARTZ IN IT WITH POSSIBLE FREE GOLD (SAMPLE 2851)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-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.