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Gold Prospecting
Prospecting Rules & Regulations
Using a dredge in Australia for recreational prospecting is illegal - information and questions
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<blockquote data-quote="Guest" data-source="post: 126479"><p>The dredging issue should be left to rest for the present time. A few years back I helped a local student with her thesis. She was doing a study of water quality in the Woolshed Valley, and various feeder streams. I helped her with her sampling and much more. She is now a senior officer in the EPA. I will not go into the in depth results publicly, but let me just say that disturbing the stream sediments mobilises mercury, cadmium, arsenic and many more nasties. These are also mobilised during floods. Many of these chemicals came not from gold mining, but more likely from a very large tannery near Beechworth that closed down about 50 years ago. </p><p>The issue here is that when the stream is at low levels the sediments are virtually free of chemicals but when the stream is in flood a degree of contamination occurs. This also occurs when digging in to the sediments. </p><p>This is why we need to drop the dredging issue for a time. If we raise the issue of dredging, then we run the risk of losing sluicing as a recreational activity as well.</p></blockquote><p></p>
[QUOTE="Guest, post: 126479"] The dredging issue should be left to rest for the present time. A few years back I helped a local student with her thesis. She was doing a study of water quality in the Woolshed Valley, and various feeder streams. I helped her with her sampling and much more. She is now a senior officer in the EPA. I will not go into the in depth results publicly, but let me just say that disturbing the stream sediments mobilises mercury, cadmium, arsenic and many more nasties. These are also mobilised during floods. Many of these chemicals came not from gold mining, but more likely from a very large tannery near Beechworth that closed down about 50 years ago. The issue here is that when the stream is at low levels the sediments are virtually free of chemicals but when the stream is in flood a degree of contamination occurs. This also occurs when digging in to the sediments. This is why we need to drop the dredging issue for a time. If we raise the issue of dredging, then we run the risk of losing sluicing as a recreational activity as well. [/QUOTE]
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Gold Prospecting
Prospecting Rules & Regulations
Using a dredge in Australia for recreational prospecting is illegal - information and questions
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