The alabandite and getchellite of hydrothermal origin, cement anatase of alkaline volcanic origin, and the high content of chlorite in coal were fist found in coals.
在西南地区晚二叠世煤中首次发现了热液成因的硫锰矿和硫砷锑矿、碱灰成因的胶锐钛矿和陆成因的斜绿泥石。
The alabandite and getchellite of hydrothermal origin, cement anatase of alkaline volcanic origin, and the high content of chlorite in coal were fist found in coals.
在西南地区晚二叠世煤中首次发现了热液成因的硫锰矿和硫砷锑矿、碱灰成因的胶锐钛矿和陆成因的斜绿泥石。
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