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  3. Mineral Resource Data System (MRDS)

Ajax-Nevada

Occurrence in Carson City 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. 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. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10043766
MRDS ID M231046
Record type Site
Current site name Ajax-Nevada
Alternate or previous names NBMG # 3713

Geographic coordinates

Geographic coordinates: -119.62043, 39.11073 (WGS84)
Relative position ABOUT 8 MILES EAST OF CARSON CITY

Site location context

Political divisions (FIPS codes)

Carson City(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mineral Peak(quadrangle 1:24,000 scale)

Carson City(quadrangle 1:100,000 scale)

Reno(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Carson(hydrologic unit)

Carson(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 Carson City

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 014N 021E 03 Nevada

Comments on the location information

  • LOCATED AT AJAX, ORMSBY CO

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Silver Ore
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification, Kaolinization (?) Altered Rhyolite

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -119.62043, 39.11073
ListMap

Economic information

Ore body information

  • General form FISSURE VEIN
    Strike NE
    Dip NW

Comments on the geologic information

  • THE OREBODIES WERE REPORTED TO BE IRREGULAR, WITH NO DEFINITE WALLS, ALONG A FAULT PLANE IN RHYOLITE THAT HAS BEEN LOCALLY ALTERED TO KAOLIN AND SILICIFIED. IN PLACES THE HOST ROCK IS LEACHED WHITE. THE VEIN CONSISTS OF QUARTZ AND SILICIFIED GOUGE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Delaware

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Robinson, Raymond F.
    Home office 180 Larmie Dr.,Reno,Nevada 89511

Comments on the workings information

  • SEVERAL SHAFTS, ONE CAVED ADIT, SURROUNDED BY PROSPECTS. RECENT ROAD BUILDING AND DRILLING.

Comments on development

  • REPORT WRITTEN ON THE MINE IS DATED 1914. RECENT ROAD BUILDING. CORDEX DRILLED THE HOLES AND WESLEY MINING HAS THE LEASE. ; ECON.COM: NONE RECORDED

Reference information

Bibliographic references

  • Deposit

    SIRDEVAN, WH, REPORT ON THE AJAX-NEVADA PROP, UNPUB REPORT, NBMG FILES, MARCH 2, 1914

  • Deposit

    MOORE,JG, GEOL & MIN DEPOSITS, LYON, DOUGLAS, ORMSBY CO, NEV, NBMG BULL 75, 1969.

  • Deposit

    TELLURIDE CLAIMS, DELAWARE MINING DISTRICT,CARSON CITY COUNTY, QUADE VISITS SITE 5 -24-89,NBMG UNPUBLISHED MINING DISTRICT FILES (TINGLEY FILES).

General comments

Subject category Comment text
Deposit VEIN FOLLOWS A N 70 DEGREES E STRIKING FRACTURE IN HIGHLY ALTERED RHYOLITE.
Deposit IT LOOKS AS THOUGH THERE HAS BEEN ORE STOCKPILED AND SHIPPED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Tingley, J.V. Nevada Bureau of Mines and Geology
Updater 01-MAY-1989 Quade, Jack U.S. Geological Survey
Updater 01-DEC-1991 Moyer, Lorre A. (Marcus, S.M.) 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.