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矿和硫砷锑矿、碱性火山灰
胶
锐钛矿和陆源碎屑
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矿和硫砷锑矿、碱性火山灰
胶
锐钛矿和陆源碎屑
斜绿泥石。
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