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
矿和砷锑矿、碱性火山灰成因的胶
锐钛矿和陆源碎屑成因的斜绿泥石。
矿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矿和砷锑矿、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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