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
矿和砷锑矿、碱性火山灰成因胶
锐钛矿和陆源碎屑成因斜绿泥石。
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矿和砷锑矿、碱性火山灰成因胶锐钛矿和陆源碎屑成因斜绿泥石。
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