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VERMICULITE

机译:MIC石

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摘要

Vermiculite is currently mined from shallow (less than 25 m or 80 ft) surface deposits throughout the world. The largest producers are Palabora Mining of Phalabowra, South Africa Wore stock is a phlogopite mica), Xinjiang Yuli Xinlong Vermiculite of Korla, China, and W.R. Grace of Enoree, SC (ore stock is a biotite mica). Srrialler operations are in Australia, Brazil, Russia and Zimbabwe. They also produce Vermiculite on a continuous basis but do not export any significant amounts of product to North America. Intermittent and poorly documented production on a minor scale is reported from Argentina, Egypt, India and Uganda. Worldwide Vermiculite production in 2004 increased 1.7 percent to 432.8 kt (477,000 st). North American production declined, while African and Chinese production continued to increase.
机译:目前,石是从世界各地的浅层(小于25 m或80 ft)矿床中开采出来的。最大的生产商是南非Phalabowra的Palabora矿业。中国的库尔勒是云母云母,中国库尔勒的新疆玉里新龙Ver石和南卡罗来纳州的Enoree的W.R. Grace(矿石是黑云母云母)。 Srrialler的业务遍及澳大利亚,巴西,俄罗斯和津巴布韦。他们还连续生产Ver石,但没有向北美出口任何数量的产品。据报道阿根廷,埃及,印度和乌干达间歇性地记录了少量生产。 2004年全球Ver石产量增加了1.7%,达到432.8 kt(477,000 st)。北美产量下降,而非洲和中国产量继续增加。

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