Steve Herschbach Posted January 24, 2017 Share Posted January 24, 2017 Dr Richard Goldfarb is a world expert on Orogenic Gold Deposits. He explains how orogenic gold formed during plate tectonic collisions and especially during continental growth. Published on Nov 10, 2013 https://youtu.be/RBGuaCDMPzM 1 Link to comment Share on other sites More sharing options...
idahogold Posted January 25, 2017 Share Posted January 25, 2017 ive seen that for a few years now! excellent! All of the Geology films are a MustWatch Link to comment Share on other sites More sharing options...
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