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
锰
和砷锑、碱
火山灰成胶态锐钛和陆源碎屑成斜绿泥石。
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锰和砷锑、碱火山灰成胶态锐钛和陆源碎屑成斜绿泥石。
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