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Gold Prospecting
Alluvial Gold Prospecting
Dug to bedrock
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<blockquote data-quote="grubstake" data-source="post: 409301" data-attributes="member: 4012"><p>No wash layer = no ancient creek bed, so what you've learnt is that regardless of how the modern terrain looks, either it didn't run where you were digging, or any wash deposited there by the creek was later scoured away when it changed course.</p><p></p><p>Remember that today's topography may give little or no clue to where/how water flowed through the landscape thousands/tens of thousands/millions of years earlier, under very different climatic conditions. Today's hills can even be yesterday's valleys and vice versa.</p><p></p><p>It's not easy figuring this stuff out, but I guess if it was, the old-timers would have left even less behind for modern prospectors.</p></blockquote><p></p>
[QUOTE="grubstake, post: 409301, member: 4012"] No wash layer = no ancient creek bed, so what you've learnt is that regardless of how the modern terrain looks, either it didn't run where you were digging, or any wash deposited there by the creek was later scoured away when it changed course. Remember that today's topography may give little or no clue to where/how water flowed through the landscape thousands/tens of thousands/millions of years earlier, under very different climatic conditions. Today's hills can even be yesterday's valleys and vice versa. It's not easy figuring this stuff out, but I guess if it was, the old-timers would have left even less behind for modern prospectors. [/QUOTE]
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Gold Prospecting
Alluvial Gold Prospecting
Dug to bedrock
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