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Gold Prospecting
Metal Detecting for Gold
Effects of last ice age in GT
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<blockquote data-quote="Dignit" data-source="post: 381100" data-attributes="member: 5167"><p>I believe most if not all of Vic GT was under sea hundreds of millions if not billions of years ago. The ground is sedimentary deposited by vast water movement and has granitic plutons popping up here and there. As massive water movement and erosion took place river beds were created and eroded rich gold was deposited in them giving the name to alluvial gold. Over the Millenia those river beds were covered over by further erosion creating deep alluvial leads and shallow alluvial leads. The ground was compressed in an East West direction. Deep leads are those that we can't determine from current lie of the ground and can be 100's of meters and even klms deep. The old timers chased these deep leads after they found all the shallow gold, as well as host quartz mining. As detectorists we are looking for shallow alluvial leads close to the surface. These can be at any depth, not just 300 to 450mm. We are also interested in more recent shed gold from surface or shallow gold bearing reefs.</p><p>I'm no expert and happy for anyone to correct this simplified explanation. Cheers</p></blockquote><p></p>
[QUOTE="Dignit, post: 381100, member: 5167"] I believe most if not all of Vic GT was under sea hundreds of millions if not billions of years ago. The ground is sedimentary deposited by vast water movement and has granitic plutons popping up here and there. As massive water movement and erosion took place river beds were created and eroded rich gold was deposited in them giving the name to alluvial gold. Over the Millenia those river beds were covered over by further erosion creating deep alluvial leads and shallow alluvial leads. The ground was compressed in an East West direction. Deep leads are those that we can't determine from current lie of the ground and can be 100's of meters and even klms deep. The old timers chased these deep leads after they found all the shallow gold, as well as host quartz mining. As detectorists we are looking for shallow alluvial leads close to the surface. These can be at any depth, not just 300 to 450mm. We are also interested in more recent shed gold from surface or shallow gold bearing reefs. I'm no expert and happy for anyone to correct this simplified explanation. Cheers [/QUOTE]
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Gold Prospecting
Metal Detecting for Gold
Effects of last ice age in GT
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