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Gold Prospecting
Alluvial Gold Prospecting
Where are the alluvial gold bonanzas of the past?
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<blockquote data-quote="user 4386" data-source="post: 639994" data-attributes="member: 4386"><p>I have mapped that - incorrect mapping by the Geological Survey of Victoria (I published a paper correcting it). What actally occurred is that gold-bearing river gravels were later covered by the sea that deposited marine gravels on top of them. So the miners would sink through the marine gravels to get to the river gravels beneath, but they got no gold out of the overlying marine gravels (which form a continuous sheet over a huge area). A similar occurrence occurs west of Stawell near the airport. The marine gravels are characteristic - quite small but highly polished and very spherical compared with the quartz pebbles and cobbles of rounded but more irregular shape in the underlying river gravels.</p></blockquote><p></p>
[QUOTE="user 4386, post: 639994, member: 4386"] I have mapped that - incorrect mapping by the Geological Survey of Victoria (I published a paper correcting it). What actally occurred is that gold-bearing river gravels were later covered by the sea that deposited marine gravels on top of them. So the miners would sink through the marine gravels to get to the river gravels beneath, but they got no gold out of the overlying marine gravels (which form a continuous sheet over a huge area). A similar occurrence occurs west of Stawell near the airport. The marine gravels are characteristic - quite small but highly polished and very spherical compared with the quartz pebbles and cobbles of rounded but more irregular shape in the underlying river gravels. [/QUOTE]
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Gold Prospecting
Alluvial Gold Prospecting
Where are the alluvial gold bonanzas of the past?
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