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Gold Prospecting
Metal Detecting for Gold
Undetectable GOLD!
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<blockquote data-quote="BigWave" data-source="post: 368965" data-attributes="member: 6786"><p>Hi MB, If you read of supergene enrichment, you will note that the gold is very slowly leached from its source at an oxidising layer (acidic), and precipitating from solution in a reducing layer (basic). Such a layer would be calcrete.</p><p>There are many very rich supergene enrichment deposits of gold (and many other minerals) around Australia. </p><p>That is not theory. </p><p>The article that I referenced was just a simple explanation. There's much greater depth reading of supergene enrichments in geological and other scientific papers.</p><p>What I was hypothesising was that maybe it's this type of gold that is more difficult to detect than chunky eluvial and alluvial gold from reefs (which were formed in a hypogene process).</p></blockquote><p></p>
[QUOTE="BigWave, post: 368965, member: 6786"] Hi MB, If you read of supergene enrichment, you will note that the gold is very slowly leached from its source at an oxidising layer (acidic), and precipitating from solution in a reducing layer (basic). Such a layer would be calcrete. There are many very rich supergene enrichment deposits of gold (and many other minerals) around Australia. That is not theory. The article that I referenced was just a simple explanation. There's much greater depth reading of supergene enrichments in geological and other scientific papers. What I was hypothesising was that maybe it's this type of gold that is more difficult to detect than chunky eluvial and alluvial gold from reefs (which were formed in a hypogene process). [/QUOTE]
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Gold Prospecting
Metal Detecting for Gold
Undetectable GOLD!
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