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.
西
地区晚二叠世煤中首次发现了热液成因的硫锰
和硫砷锑、碱性火山灰成因的胶态锐钛和陆源碎屑成因的斜绿泥石。
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.
西地区晚二叠世煤中首次发现了热液成因的硫锰和硫砷锑、碱性火山灰成因的胶态锐钛和陆源碎屑成因的斜绿泥石。
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