In early upper Dias,a big northeast—southwest meandering river was formed,which takes the Dachang layer as the basal in the intermont basin in Dachang.

Evolution of Brachiopod Diversity of the Late Middle Permian in the Hechuan Area of Chongqing;

Based on the analysis on brachiopod fossils of the late middle Permian,the brachiopod extinction in Pre-Lopingian event of late middle Permian in this area can be divided into two sub screens: the first screen in the end of earlier Wushisanti Subage a.

These microfossils are of early Late Permian age.

The early Late Permian flora from the Turpan--Hami basin,composed of 19 genera and29 species (including 6 new species),is represented by Uskatia sp.

The discovery of late Early Permian Angara flora from the Turpan--Hami basin is ofgreat significance not only in botany but also in palaeogeography.

Tracing Study on REEs of Coal Measure in Late Permian in Bijie City,Guizhou Province,China;

Geochemistry of the barkinite liptobiolith(Late Permian) from the Jinshan Mine,Anhui Province;

Analysis on the Characters of Rare-Earth Element in the Late Permian Coal from South China;