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Irwin Mine

Occurrence in Nye county in Nevada, United States with commodity Gold
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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 10044377
MRDS ID M231786
Record type Site
Current site name Irwin Mine
Alternate or previous names Esmeralda Claim, Mayolli Claimirwin Group, Hillside Claim

Geographic coordinates

Geographic coordinates: -115.55198, 38.38217 (WGS84)
Elevation 1859
Relative position 1.5 MILES UP THE MOUTH OF IRWIN CANYON

Site location context

Political divisions (FIPS codes)

Nye(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bullwhacker Springs(quadrangle 1:24,000 scale)

Quinn Canyon Range(quadrangle 1:100,000 scale)

Lund(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Hot Creek-Railroad Valleys(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Humboldt-Toiyabe National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Nevada Nye

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 006N 057E 15 Nevada

Commodities

Commodity Importance
Gold Tertiary

Materials information

Materials Type of material
Galena Ore
Pyrite Gangue

Alteration

  • (Local) Country Rocks Are Locally Bleached, Sericitized, Argillized, And Iron-Oxide Stained Adjacent To The Deposit.

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Economic information

Ore body information

  • Name NO.1 VEIN
    Thickness 0.91M
  • Name NO.2 VEIN
    Thickness 0.3M

Controls for ore emplacement

  • Along Faults Within The Troy Pluton Near Contact With Prospect Mountain Quartzite.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1905
Discoverer F.L. Irwin

Mining district

District name Troy District

Land status

Ownership category National Forest

Comments on the workings information

  • WORKINGS CONSIST OF ONE ADIT, 2 VERTICAL SHAFTS, 2 INCLINE SHAFTS.150-FT DRIFT AT 80-FT LEVEL ON VEIN NO.1; ONE 40-FT SHAFT; TWO 80-FT INCLINED SHAFTS WITH A 100-FT DRIFT AT THE BOTTOM OF ONE AND A 20-FT DRIFT AT THE BOTTOM OF THE OTHER.

Comments on development

  • 5 CLAIMS. A SMALL MILL WAS INSTALLED AT THE IRWIN CAMP IN 1940.

Reference information

Bibliographic references

  • Deposit

    HYDE, JH AND HUTTRER, GW, 1970, GEOL. OF CENTRAL GRANT RANGE: AAPG BULL, V.54, NO. 3, P. 503-521

  • Deposit

    KLEINHAMPL, F.J. AND ZIONY, J.I., GEOLOGY AND MINERAL DEPOSITS OF NORTHERN NYE CO.: NEV. BUR. OF MINES AND GEOLOGY, BULLETIN, IN PRESS.

  • Deposit

    KRAL, V.E.,1951, NBMG BULL 50.

  • Deposit

    HILL, J.M.,1916, USGS BULL 648.

General comments

Subject category Comment text
Deposit MINERALIZED ZONES EXTEND BEYOND QUARTZ LENSES AS IRREGULAR SMALL LODES INTO SHEARED AND CRUSHED COUNTRY ROCKS. VEIN IS SEPARATED FROM HOST ROCK BY UP TO 2 IN OF GOUGE WHICH CARRIES GOLD.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1981 Wong, George (Roberts, Ralph) U.S. Geological Survey
Updater 01-MAY-1982 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.

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.