Acid mine drainage chemistry COTF
Nov 10, 2004 . This includes the mining of coal, copper, gold, silver, zinc, lead, and uranium. The mineral pyrite, more commonly known as "fool's gold," is iron.
Maine Geological Survey: A Collector's Guide Chapter 2
Oct 6, 2005 . Most of the good mineral localities in Maine occur in one of several .. found in metamorphic rocks, depending on the original compositon of the parent . Some of them were worked for the gold and silver that occur as minor.Get Price