The sedimentary environment of the Early Feixianguan Age of Early Triassic in northeastern Sichuan Basin mainly inherited the pattern of the Late Changhsingian Age of Late Permian. 摘要四川盆地早三叠世飞仙关早期的环境基本上继承了晚二叠世长兴期末的格局。
The well-known endemic fluorosis in western Guizhou Province, southwest China, was usually attributed to the high-content fluorine in late Permian coals. 国内外闻名的黔西地方流行病氟中毒常常归因于黔西晚二叠世煤中高含量的氟以及不科学的燃煤方式。