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硫锰和硫砷、性火山灰胶锐钛和陆源碎屑斜绿泥石。
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硫锰和硫砷、性火山灰胶锐钛和陆源碎屑斜绿泥石。
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