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History & Geology

Can You Recognize Valuable Ores?

The process of recognizing ores all starts with being able to recognize some basic minerals and knowing what hard rock ore looks like in the districts where you prospect.

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Gold Refining In The Ancient World


One thing that stood out for me is that Agricola was very specific about the type of metal or wood in the implements and vessels that were to be used.

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All About Quartz—Part I


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The Rush to Treasure Hill


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