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Gold/Mining/Energy : Maxam Gold Corp. OBB:MXAM

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To: paunch13 who wrote (11221)	10/7/2007 8:27:18 PM
From: d:oug	of 11603

Fire Assay and Gold Extraction Introduction to Fire Assaying -------------------------- nbmg.unr.edu In order for people to define rock to be mined as ore, they have to know the amount of the metal of interest contained in the rock. If there is enough of that rock, and if there is enough metal that can be recovered by processing and that can be sold at a price greater than the expense to produce that metal, then the rock can be defined as ore to be mined. The assayer determines the amount of the metal in the rock. The method used to measure the amount of metal (or other commodity) of interest is called assaying. The most common and reliable method for assaying rock for silver, gold or other precious metals (platinum group elements) is fire assaying. This method was used in the Virginia City mines and is still used today. What is a Fire Assay? ptltesting.com Gold and Precious Metal Analysis by Fire Assay assayers.com Precious Metals Analysis alschemex.com What Is Fire Assaying? mine-engineer.com Gold mining en.wikipedia.org Gold extraction en.wikipedia.org

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