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Gold Prospecting
Metal Detecting for Gold
Gold & Its Association With Ironstone
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<blockquote data-quote="user 4386" data-source="post: 519835" data-attributes="member: 4386"><p>There are a number - at high temperature under reducing conditions it bonds with hydrogen sulphide to form gold bisulphide ions in solution. At low temperature, salty and oxidising conditions (and sometimes at higher temperature) it bonds with the chlorine in the sodium chloride to form gold chloride ions. Lesss common are bonding with natural cyanide in soils, with thiosulphate ion in oxidising sulphide orebodies. It even occurs in a water-soluble form in calcrete (calcium carbonate) soils.</p></blockquote><p></p>
[QUOTE="user 4386, post: 519835, member: 4386"] There are a number - at high temperature under reducing conditions it bonds with hydrogen sulphide to form gold bisulphide ions in solution. At low temperature, salty and oxidising conditions (and sometimes at higher temperature) it bonds with the chlorine in the sodium chloride to form gold chloride ions. Lesss common are bonding with natural cyanide in soils, with thiosulphate ion in oxidising sulphide orebodies. It even occurs in a water-soluble form in calcrete (calcium carbonate) soils. [/QUOTE]
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Gold Prospecting
Metal Detecting for Gold
Gold & Its Association With Ironstone
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