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alunite |
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alunite [′al·yə‚nīt] (mineralogy) KAl3(SO4)2(OH)6A mineral composed of a basic potassium aluminum sulfate; it occurs as a hydrothermal-alteration product in feldspathic igneous rocks and is used in the manufacture of alum. Also known as alumite; alum rock; alumstone. 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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| ? Mentioned in | ? References in periodicals archive | |
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Preliminary findings
confirm gold and silver mineralization coincident with moderate to
strong argillic alteration characterized by the presence of alunite,
andalusite and tourmaline. Similarly, two large quartz alunite alteration areas in
the northwest quadrant of the property have never been sampled,
trenched, or drilled. This larger feature is
cored by an easterly trending egg-shaped 1,600 by 3,200 metre magnetic
low that may reflect magnetic destructive alteration as it correlates
with an airborne total-potassium-high and thorium-potassium airborne
radiometric-low that hosts the Quartz Lake, BS Zone, Alunite Ridge and
North Vein low- and high-sulphidation epithermal gold and silver
mineralized zones. |
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