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Gold Prospecting
Small Scale Gold Mining
No Cyanide = Green Gold
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<blockquote data-quote="user 4386" data-source="post: 496019" data-attributes="member: 4386"><p>It has been around for decades but they sound like they think it might now have some economic application. However for small miners, mostly to recover fine gold lost during gravity separation - more expensive than cyanide and not likely to be used by large mines. Still, it could have its applications for small miners (it might have less stringent requirements for handling and use).</p><p></p><p>Most cyanide does not stay around in mine dams etc - cyanide quickly breaks down in sunlight to carbon dioxide and nitrogen. However handling it is an issue, as are spills (e.g. into waterways), birds have died drinking cyanide solutions pumped out into dams, and metal cyanide complexes that are none too healthy do stay around in mine dams and not break down rapidly.</p></blockquote><p></p>
[QUOTE="user 4386, post: 496019, member: 4386"] It has been around for decades but they sound like they think it might now have some economic application. However for small miners, mostly to recover fine gold lost during gravity separation - more expensive than cyanide and not likely to be used by large mines. Still, it could have its applications for small miners (it might have less stringent requirements for handling and use). Most cyanide does not stay around in mine dams etc - cyanide quickly breaks down in sunlight to carbon dioxide and nitrogen. However handling it is an issue, as are spills (e.g. into waterways), birds have died drinking cyanide solutions pumped out into dams, and metal cyanide complexes that are none too healthy do stay around in mine dams and not break down rapidly. [/QUOTE]
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Gold Prospecting
Small Scale Gold Mining
No Cyanide = Green Gold
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