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<p>[QUOTE=&quot;doug444, post: 2000378, member: 38849&quot;]I am only reporting what I found online, subject to <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie12" alt="o_O" unselectable="on" unselectable="on" /> error.&nbsp; I think &quot;modern&quot; mining has a lot to do with the estimates.&nbsp; Something I didn&#039;t find was annual production for, say, the last 150 years; that would be enlightening.</p><p><br /></p><p>The graph of annual production has probably turned exponential since the 1950s, just like our, umm, national debt.</p><p><br /></p><p>If you want really interesting reading, research some of the entrepreneurs who realized that ordinary sea water contains tiny trace amounts of gold*, and have tried to work out a means of extracting; I mean, it&#039;s there, &quot;free&quot; for anybody, LOL.&nbsp; </p><p><br /></p><p>NONE have succeeded, despite their efforts in this hemisphere just beyond the mouth(s) of the Amazon and certain California rivers.</p><p><br /></p><p>*auric chloride?[/QUOTE]</p><p><br /></p>

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