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a process for extracting gold from the mines in new zealand

Quartz reefs required machinery and equipment to mine the ore crush it and extract the gold so eventually companies took over from individuals setting up stamper batteries and beginning large scale mining production The first commercial use of a new process using cyanide solution to recover gold was at the Crown Battery at Karangahake in 1889...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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