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Gold Prospecting
Metal Detecting for Gold
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<blockquote data-quote="grubstake" data-source="post: 652767" data-attributes="member: 4012"><p>Exactly, as gold amalgamated on the surface of copper plates was how the crushing plants recovered fine gold, with the plates subsequently scraped to recover smeltable material. So the presence of copper in an amalgam would be very positive for a lucky modern finder. </p><p></p><p>Mercury may well have been cheap back in the day, but its usage in the goldfields was solely for the purpose of recovering gold, so the fact that chemically it may also form an amalgam with other metals not related to gold recovery, is of academic interest only.</p></blockquote><p></p>
[QUOTE="grubstake, post: 652767, member: 4012"] Exactly, as gold amalgamated on the surface of copper plates was how the crushing plants recovered fine gold, with the plates subsequently scraped to recover smeltable material. So the presence of copper in an amalgam would be very positive for a lucky modern finder. Mercury may well have been cheap back in the day, but its usage in the goldfields was solely for the purpose of recovering gold, so the fact that chemically it may also form an amalgam with other metals not related to gold recovery, is of academic interest only. [/QUOTE]
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Gold Prospecting
Metal Detecting for Gold
Need some advice
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