2021 Mining History Association Tour

Cortez Mining District
Eureka County, Nevada
Tour Leader, Rob McQueen
June 10, 2021


PHOTO GALLERY 1* of 3

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Rob McQueen, an archaeologist, has worked extensively documenting the history of the Cortez Mining District.  He created a two-part video virtual tour of the district that included several “Bonus Sites” that would have been inaccessible on a conventional bus tour.

 

 

MINES AND MILLS


Mount Tenabo, the “Nevada Giant,” is composed of quartz and limestone layers. Prospectors knew that quartz could contain precious metals.

Bullet-proof Cortez Mining District historical marker commemorates the 1863 discovery of silver.


Top-loading limestone kiln was built into the side of a hill to produce lime.

Lime was removed from the kiln through the discharge and used for roasting silver ore.


Kiln operators recorded production by making tic marks in the stone.

Charcoal for smelter furnaces was produced from local timber on pads such as the one above.


The Consolidated Cortez Cyanide Mill was constructed in 1923 at the portal of the mine.  Assay building at the left.

Closeup of the Consolidated Cortez Mill ruins.  A thickener tank is at the center.

Upper portion of the Tenabo Mill complex. The 1886 mill processed ore from the Garrison and Arctic Mines.


The lower portion of the Tenabo Mill utilized two Bruckner cylindrical roasters.  Ore was roasted with salt from a nearby playa.

Roasted ore was concentrated in pneumatic jigs before passing to a Russell Lixiviation process.

Closeup view of the Bruckner roasters.  One was likely repurposed from Mill Valley.


 
CLICK HERE FOR PHOTO GALLERY 2 OF 3

*Due to Covid-19 restrictions, all photographs are from computer screen shots taken during the virtual presentations. This accounts for lower resolution images than those from the usual MHA conferences.


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