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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. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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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. A grab sample of vein quartz collected from the Zona Felix to the southeast in an area with four parallel veins, assayed 30. 3m vein zone, containing 20% Azimuth 360 degrees to 60% vein quartz in breccia. |
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