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vein quartz

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vein quartz [′vān ‚kwȯrtz]
(petrology)
A rock composed chiefly of sutured quartz crystals of pegmatitic or hydrothermal origin of variable size.


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1971, Fluid inclusions in vein quartz, Silverfields Mine: Canadian Mineralogist, v.
However, the crushing of oversize material of a number of samples taken during exploration demonstrated that a significant quantity of gold is locked in the vein quartz fragments remaining after the weathering process.
Visible gold is present in vugs and as arborescent and leafy patches in the interstices of vein quartz, as well as directly associated with sulfide concentrations in the vein material.
 
 
 
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