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Worldwide Mining Waste Management Industry to 2026,  · 6.9 Zinc 7 Global Mining Waste Management Market, By Waste Type 7.1 Introduction 7.2 Mine Water 7.3 Overburden/Waste Rock 7.4 Tailings 8 Global Mining Waste Management Market, By Geography 8.1 ...Nitre and Mining Bureau,  · The Confederate Nitre and Mining Bureau was a civilian government bureau to provide the Confederate States of America with needed materials such as copper, iron, lead, saltpeter, sulfur, zinc, and other metals.The Bureau oversaw civilian contracts and offered ...Underground mining (hard rock),  · Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, usually those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds or rubies. ...Buddle pit,  · A buddle pit or buddle pond is a pit, often circular when specifically constructed, the purpose of which was to separate by sedimentation minerals from lighter rock dust in crushed ore,[1] and used in the mineral mining industry (such as in extracting tin, lead and zinc). Many of the relics seen today date from Victorian times. Early examples ...9 Biggest Chinese Mining Companies,  · Zijin Mining Group Co., Ltd. Zijin Mining Group is principally involved in gold mining and smelting, though the company also mines for copper, lead, zinc, silver, and iron products in ....

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