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open pit vs underground copper mining in vietnam

Apr 02 2018 · As can be seen no one chooses to exploit an open or underground pit but the conditions of nature that concentrate the metals in one way or another A “Disseminated” deposit such as a Copper porphyry can not be exploited underground just as a Lead vein galena can not be exploited in the open...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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