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
的硫锰矿和硫砷锑矿、碱性火山灰的胶
锐钛矿和陆源碎屑的斜绿泥石。
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.
在西南地区晚二叠世煤中首次发现了热的硫锰矿和硫砷锑矿、碱性火山灰的胶锐钛矿和陆源碎屑的斜绿泥石。
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