All Articles
VMS Deposits in Central Arizona
October 2004 by John Rothermel
Volcanogenic Massive Sulfide (VMS) deposits in the Central Arizona Precambrian volcanic belt occur within a felsic package of volcanic rocks capped by an exhalite unit comprised of cherts, iron formations and siliceous members.
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I’ve fielded a few questions following several articles we published last month on the creation of the Minerals and Mining Advisory Council (MMAC) and the return to traditional mining districts. Some of those questions have been very good and I’m going to answer them here for the benefit of all our readers.
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The Bawl Mill
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