开采上述金属矿的生产商每天所面对的危机与中非矿业类似，为了等待价格回升，它们也得封存遍布全球的矿产以节省现金支出。
Miners of these metals daily face crises similar to Camec's and mothballing mines around the world to save cash as they wait for a price recovery.
本文讨论了金属矿产资源与地壳、地幔结构及深部物质运移的动力学响应。
Dynamic response of metallic mineral resources and crust, mantle structure and deep substance migration is discussed in this paper.
非金属矿是四川优势矿产资源，主要矿种齐全、储量丰富，建材资源、化工原料资源优势突出，常用矿产与优势矿产吻合程度高；
Nonmetal minerals are the predominant mineral resource of Sichuan, where there are all kinds of major mines of abundant reserves and predominant building materials and chemical materials.
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