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Gold Prospecting
Metal Detecting for Gold
Help Required On Piles Of Pipe Clay
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<blockquote data-quote="grubstake" data-source="post: 451949" data-attributes="member: 4012"><p>In Victorian goldfields, pipeclay forms an unmineralised layer above the paydirt layer (gold-bearing wash). Those heaps you mention are just waste material from deep shaft sinking on old alluvial leads, so the pipeclay is unprocessed. It's not impossible to detect very small gold in pipeclay heaps however, and the absence of mineralisation makes them suitable for even VLF detectors, but old iron fragments from shaft digging, bullets and other such trash are frequently encountered. If you venture on to pipeclay heaps, be very wary of subsidence of old, underlying shafts of unknown depth - it can be very dangerous ground.</p><p></p><p>In my experience, Percydale gold is not usually nuggety, but good weight can be found in the form of specimens.</p></blockquote><p></p>
[QUOTE="grubstake, post: 451949, member: 4012"] In Victorian goldfields, pipeclay forms an unmineralised layer above the paydirt layer (gold-bearing wash). Those heaps you mention are just waste material from deep shaft sinking on old alluvial leads, so the pipeclay is unprocessed. It's not impossible to detect very small gold in pipeclay heaps however, and the absence of mineralisation makes them suitable for even VLF detectors, but old iron fragments from shaft digging, bullets and other such trash are frequently encountered. If you venture on to pipeclay heaps, be very wary of subsidence of old, underlying shafts of unknown depth - it can be very dangerous ground. In my experience, Percydale gold is not usually nuggety, but good weight can be found in the form of specimens. [/QUOTE]
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Gold Prospecting
Metal Detecting for Gold
Help Required On Piles Of Pipe Clay
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