1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Twin Dome Mine

Past Producer in Pershing county in Nevada, United States with commodity Gold
Map
XML
JSON
KML
B
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. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10044915
MRDS ID M232550
Record type Site
Current site name Twin Dome Mine
Alternate or previous names NBMG Sample Site 2668

Geographic coordinates

Geographic coordinates: -117.89708, 40.70156 (WGS84)
Elevation 1536

Site location context

Political divisions (FIPS codes)

Pershing(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dun Glen(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)

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 033N 036E 26 Nevada

Comments on the location information

  • IN BARBER CANYON

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Limonite Gangue
Pyrite Gangue
Quartz Gangue

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 Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Kolpato Group
    Rock description Kolpato Group
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic

Nearby scientific data

(1) -117.89708, 40.70156
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description N-S-Striking Vertical Shear Zone Cuts The Flat-Dipping Veined Sheeted Zone

Ore body information

  • General form TABULAR
    Strike N70E
    Dip 20NW
    Thickness 4.57M

Controls for ore emplacement

  • Shear Zones

Economic information about the deposit and operations

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

Mining district

District name Sierra District

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • SHALLOW ADIT LEADING INTO GLORY HOLE, SURFACE CUTS

Comments on development

  • NO ACTIVITY AT TIME OF EXAMINATION IN 1985, BUT SOME RECENT TRENCHING; ROTARY DRILLING WITHIN PAST 10-15 YRS. MINE-D IN 1930'S AND LATER BY BILL SWETT AND FATHER IMLAY.

Reference information

Bibliographic references

  • Deposit

    TINGLEY, J. V., 1981, ORAL COMMUNICATION

  • Deposit

    TINGLEY, J. V., 18 JUN 85, NBMG FIELD EXAMINATION

  • 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 WORKINGS FOLLOW FLAT-DIPPING SHEETED ZONE IN META-VOLCANIC WALLROCK; ROCK IS CHLORITIZED; SHEETED ZONE IS LACED WI-TH QUARTZ. QUARTZ CONTAINS CLOTS AND EUHEDRAL CUBES OF LIMONIT-E-AFTER-PYRITE, FREE GOLD OCCURS IN LIMONITE. VEINED SHEAR ZON-E STRIKES ABOUT N70E, DIPS 20 NW, IS ABOUT 15 FT THICK AS EXPO-SED IN THE ADIT AND GLORY HOLE. A N-S-STRIKING VERTICAL SHEAR -ZONE CUTS THE FLAT-DIPPING ZONE ALONG THE EAST WALL OF THE ADI-T.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1981 Royse, Sue E. 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-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.