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内蒙古二道岭矿区侏罗系无烟煤变质成因探讨
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摘要
中国是一个能源大国,其能源主要来自煤资源。煤不仅是我国最重要的能源,还为多种工业提供了原料。为了满足我国经济的快速发展的需要,充分发挥煤炭资源的作用,这就要求在勘察中增加煤的精查储量,就需要从成因上研究煤的形成和分布规律。这就要求加强对煤变质作用的认识与了解。鄂尔多斯聚煤盆地侏罗系中统延安组煤层以低、中变质的烟煤为主,但内蒙古阿拉善盟左旗二道岭矿区侏罗系中统延安组的煤层却是高变质的无烟煤。同为鄂尔多斯聚煤盆地中延安组中统煤层,但煤质变化程度有较大差异。文中着重探讨造成二道岭矿区煤高变质异常的主要原因。
China is a big country with abundant resources and coal is taking the main part.Not only coal is the most important resource in China,but also coal can supply raw material for lots of industries.Meeting demand of fast development and playing coal's full role ask for detailed exploration reserves and research on rules of coal forming and distributing,which need us to know about metamorphism of coal.Low and medium metamorphic bitumite is mainly found in Jurassic Middle Yanan group in Eerduosi Basin.But peranthracite is found in same group in Erdaoling Mining lot in Alashanmengzuoqi in Neimenggu province.Different level of coal metamorphism in same group in Eerduosi Basin makes large differences in coal coal quality.This paper mainly discusses the main reason of high metamorphism in Erdaoling Mining lot.
引文
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