Recovery of fine floating gold, page 2
Apr 06, 2008· I recently learned of a fella in Colorado who has discovered a safe way of gold recovery and they have been working on refining the process since April 2008. ... the gold don''t go through the mat it sits on top. gold is flat black sand is round. this is why the sand runs off and the gold sits down on the mat...however some gold flakes/the ...