Recently some Brachiopoda, coral, gastropoda, phytolite is identified by Nanjing Institute of Geology and Palaeontology China Academy of Sciences.The age belongs to Late Carboniferous epoch.
Even if in the Tang era of the feudal epoch, the Emperor Tangtaizong had a expostulation liegeman who named Weizheng beside him.He would not make the Emperor Tangtaizong in the shade.