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
首次发现了热液成因的硫锰矿和硫砷锑矿、碱性火山灰成因的胶
锐钛矿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.
在西南地区晚二叠首次发现了热液成因的硫锰矿和硫砷锑矿、碱性火山灰成因的胶锐钛矿和陆源碎屑成因的斜绿泥石。
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