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<p>[QUOTE=&quot;gxseries, post: 3652298, member: 4373&quot;]I don&#039;t agree on the silver comment. Japan in 1500s were supplying about 30% of global silver demand. Japan actually does have rich gold and silver mine deposit but no longer mine due to environmental concerns. Some mines easily have deposits of 30-50g gold and 250g silver average per tonne of rock. While this might seem low, a lot of global mining operations run budget at 2g per tonnes. 6g per tonnes is considered to be rich. I believe Sado mine in Niigata had much higher concentration. In fact Sado mine was so rich that it ran for 350+ years before it closed down.</p><p><br /></p><p>Think about it - Japan is on top of four techtonic plates and has active volcanic areas. If you know a bit of geology , that should tell you a lot.[/QUOTE]</p><p><br /></p>

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