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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="jethro" data-source="post: 590423" data-attributes="member: 1297"><p>Goldierocks wote :<em>" Here is a typical Victorian stream in hillier country. You can see that there is a rather limited volume of gravel in it, the stream typically flowing over hard bedrock. It could all be turned over by a couple of miners at a rate of tens of metres of stream per week, over a width of 10 m if you are lucky in many cases, from gravels that vary from 1 or max 2 metres deep, to more typically tens of centimetres deep confined between areas of outcropping bedrock. It could be very rich, but there was often little gravel volume, so total gold production was not huge unless you got a good patch, and the miners soon worked it out. Most people panning in streams are panning the recycled leftovers of worked gravel, biut if they dig out crevices in the floor of the stream they get a bit of gold missed by the old-timers.."</em></p><p></p><p>Were the Streams that deposited the Ellivated Terrace deposits typically found on the sides of hills and mountains sometimes Hundreds of metres above the present day streams in the upper Mitta, Ovens, Buckland, Kiewa, Dargo Tambo Etc formed at the same time as the Palioplacer deep leads in central western Vic? I know that deepleads were traced under the older volcanics at Brandy Creek near mount Hotham and other places where streams have cut down through these older volcanics exposing buried stream systems.</p><p>I was also wondering why coarse nuggety gold is much more prevalent in the central western Goldfields than it is in the goldfields of eastern Victoria that typically have these ellivated terraces. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /></p></blockquote><p></p>
[QUOTE="jethro, post: 590423, member: 1297"] Goldierocks wote :[i]" Here is a typical Victorian stream in hillier country. You can see that there is a rather limited volume of gravel in it, the stream typically flowing over hard bedrock. It could all be turned over by a couple of miners at a rate of tens of metres of stream per week, over a width of 10 m if you are lucky in many cases, from gravels that vary from 1 or max 2 metres deep, to more typically tens of centimetres deep confined between areas of outcropping bedrock. It could be very rich, but there was often little gravel volume, so total gold production was not huge unless you got a good patch, and the miners soon worked it out. Most people panning in streams are panning the recycled leftovers of worked gravel, biut if they dig out crevices in the floor of the stream they get a bit of gold missed by the old-timers.."[/i] Were the Streams that deposited the Ellivated Terrace deposits typically found on the sides of hills and mountains sometimes Hundreds of metres above the present day streams in the upper Mitta, Ovens, Buckland, Kiewa, Dargo Tambo Etc formed at the same time as the Palioplacer deep leads in central western Vic? I know that deepleads were traced under the older volcanics at Brandy Creek near mount Hotham and other places where streams have cut down through these older volcanics exposing buried stream systems. I was also wondering why coarse nuggety gold is much more prevalent in the central western Goldfields than it is in the goldfields of eastern Victoria that typically have these ellivated terraces. :( [/QUOTE]
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Gold Prospecting
Alluvial Gold Prospecting
Where are the alluvial gold bonanzas of the past?
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