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Stockwork

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stockwork [′stäk‚wərk]
(geology)
A mineral deposit in the form of a network of veinlets diffused in the country rock.

Stockwork 

an ore body formed by a mass of rock permeated by a dense network of variously oriented veins and vein-lets containing the ore minerals; such minerals in the form of phenocrysts are usually found in rocks interpenetrated by veinlets.

A distinction is made between areal and linear stockworks. Areal stockworks are cube-shaped with sinuous boundaries. Linear stockworks extend in one direction. The dimensions of stock-works range from a few dozen meters to several kilometers. Stockworks are classified with the group of hydrothermal formations that arise upon the deposition of the metal-bearing substance from hot mineralized solutions circulating in fissured rock. Some deposits of copper, molybdenum, tungsten, gold, tin, beryllium, uranium, mercury, and other metal ores belong to this group.



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270 oz/ton gold (see table above); FC0802 and FC0803 had thick intercepts (53 to 78 feet true width) of quartz-opal-calcite stockwork mineralization ("stockwork" is a network of "veinlets" in the host rock).
Drill hole CHU WEST 07-20 was drilled at an Azimuth 250 degrees and a dip angle of -45 degrees to test the width of the quartz-molybdenum stockwork zone which strikes northwest and hosts the significant molybdenum mineralization at CHU over the discovery's 1700 meter length.
CHU 07-19 initially encountered lower grade Mo-mineralization in hanging wall rocks and then entered the main stockwork zone at 201 meters.
 
 
 
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