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  • Placer mining Wikipedia

    Placer mining /ˈplæsər/ is the mining of stream bed (alluvial) deposits for minerals. This may be done by open pit or by various surface excavating equipment or...

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  • Gold extraction Wikipedia

    Gold extraction refers to the processes required to extract gold from its ores. This may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore. Gold mining from alluvium ores was once achieved by techniques ... Placer mining techniques since the mid to late 20th century have generally...

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    What you need is what we can do! In the future, Xinhai will continue to rely on three big supporting "technology, talents, management", adhere to the international development strategy, and concentrate on providing customers with modern, efficient, energy-saving mine overall construction and operational solution, to create international leading enterprises in mining industry.