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Gold Quartz

Past Producer in Lander county in Nevada, United States with commodities Gold, Silver, Lead, Copper, Zinc
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Geologic information

Identification information

Deposit ID 10044888
MRDS ID M232512
Record type Site
Current site name Gold Quartz
Alternate or previous names Ajax

Geographic coordinates

Geographic coordinates: -116.70315, 40.31102 (WGS84)
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Geographic areas

Country State County
United States Nevada Lander

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 028N 047E 08 Nevada

Comments on the location information

  • 1:62500 QUADRANGLE IS A 1949 EDITION

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Lead Secondary
Copper Secondary
Zinc Secondary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore

Alteration

  • (Local) Considerable Silicification Of Host Rocks

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Tenabo Stock
    Rock description Tenabo Stock
    Stratigraphic age (youngest) Early Cretaceous
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Valmy Formation;Valmy Formation;Valmy Formation
    Rock description Valmy Formation;Valmy Formation;Valmy Formation

Nearby scientific data

(1) -116.70315, 40.31102
ListMap

Geologic structures

Type Description Terms
Regional Deposit In Upper Plate Of Roberts Mtn Thrust Adjacent To The Tenabo Stock.
Local High Angle Basin & Range Faults, Numerous Dikes & Sills

Ore body information

  • General form TABULAR
    Width 1.22M
  • General form TABULAR

Controls for ore emplacement

  • Hydrothermal Channelways: Faults, Fractures, Breccias, Contacts

Comments on the geologic information

  • IN A SHALLOW OPENING BELOW THE MAIN SHAFT RICH GOLD WAS ENCOUNTERED IN THE OXIDIZED ZONE WHICH EXTENDS DOWN TO 75 FEET BELOW THE SURFACE. THE SULFIDE ZONE IS PREDOMINATED BY ARSENOPYRITE AND PYRITE. WHERE THE ALTERED QUARTZITE HAS BEEN SHATTERED STRINGERS OF IRON OXIDE CARRY FREE GOLD. THIS OCCURS BETWEEN THE 35 AND 100 FOOT LEVELS OVER A 4 FOOT WIDE ZONE WHICH STRIKES N20W, AND DIPS 35 DEGREES NE. (EMMONS, W.H. 1910). THERE ARE TWO PRINCIPLE MINERALIZED CONES ALONG FRACTURES FAULT ZONES

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year <1910
Year of first production <1910

Mining district

District name Bullion

Ownership information

  • Type Owner-Operator
    Owner Cuba Consolidated Mining Co.
    First year 1930

Comments on the production information

  • PRODUCTION ALSO INCLUDES SOME COPPER AND ZINC

Workings at the site

  • Type of workings Underground
    Length 304.8M
    Overall depth 30.48M

Comments on the workings information

  • 2 SHAFTS, SUBSIDIARY UNDERGROUND WORKINGS

Comments on development

  • 5 CLAIMS; MINE OPERATED BY THE CUBA CONSOLIDATED MINING CO. IN THE 1930'S

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M232512

Bibliographic references

  • Deposit

    STAGER, H.K. (1977) GEOLOGY & MINERAL RESOURCES OF LANDER CO., N.B.M. BULL 88

  • Deposit

    VANDERBURG, W.O. (1939) RECONNAISSANCE OF MINING DISTRICTS IN LANDER CO., NEV., USBM I.C. 7043

  • Deposit

    USBM (WINNEMUCCA) MILS NO. 67, REFERENCE NO. 3201500125

  • Deposit

    EMMONS, W.H. (1910) RECONNAISSANCE OF MINING DISTRICTS IN ELKO, LANDER, & EUREKA COS. USGS BULL 408

  • Deposit

    HUMPHREY, F.L. (1945) REPORT ON THE GOLD QUARTZ MINE, N.B.M. DISTRICT FILE 151, ITEM 3

  • Deposit

    WRUCKE, C.T. (1974) GEOLOGIC MAP OF THE TENABO AREA, LANDER CO NEV, USGS MAP MF-647

  • Production

    STAGER, H.K. (1977)

General comments

Subject category Comment text
Deposit BRECCIATED FAULT ZONES
Deposit THE MINE WAS OPERATED BY THE CUBA MINING CO. IN THE LATE 1930'S. DEVELOPMENT INCLUDES TWO SHAFTS AND SUBSIDIARY UNDERGROUND WORKINGS TOTALLING SEVERAL THOUSAND FEET. THE PROPERTY CONSISTS OF 5 CLAIMS: THE BOULDER, GRANT, JUMBO, AJAX, HERCULES. FOR A GEOLOGIC MAP OF THE PROPERTY SEE HUMPHREY (1945).

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1980 Kirkham, Richard A. Nevada Bureau of Mines and Geology