machines used for gold extraction
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· This process has been in use since the Bronze Age and still used today able to raise the gold and silver content to 95%, however the process cannot separate silver from gold, but this is good enough for me.
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Amalgamation has forever and ever, thanks to mercury, been used to recover gold, fine gold in particular.
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Gold Mining Trommel. These gold mining machines are definitely not for the hobby prospector. The Trommel is designed for high volume sorting of raw material. The refined, or classified, product is then run through a sluice box to further refine it. Very high levels of processing can be achieved with shovels aided by a trommel.
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gold mining equipment | West Coast Placer. We loed and mapped several trenches that were used for ground sluicing dating back to the 1898 Yukon gold rush.
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