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硫矿和硫砷锑矿、碱性火山灰胶态锐钛矿和陆源碎屑斜绿泥石。