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. 摘要四川盆地早三疊世飛仙關(guān)早期的環(huán)境基本上繼承了晚二疊世長(cháng)興期末的格局。
The well-known endemic fluorosis in western Guizhou Province, southwest China, was usually attributed to the high-content fluorine in late Permian coals. 國內外聞名的黔西地方流行病氟中毒常常歸因于黔西晚二疊世煤中高含量的氟以及不科學(xué)的燃煤方式。
