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Methods of gold mining - geology in.Other gold mines use underground mining, where the ore is extracted through tunnels or shafts.South africa has the worlds deepest hard rock gold mine up to 3,900 metres 12,800 ft underground.At such depths, the heat is unbearable for humans, and air conditioning is required for the safety of the ers.
We are a large-scale joint-stock enterprise integrating scientific research, production and sales.Our leading products have crushing equipment, sand making equipment, mobile crusher, etc., Each type of product is with complete specifications. All products have passed ISO9001, CE and GOST international quality system certification.