funded by National Natural Science Foundation of China(41773100,41373095);Development fund for key disciplines of Suzhou University(2017xjzdxk2);Research Project of Wanbei Coal-Electricity Group Co.Ltd(2018)。
The Permian is an important period for the deposition of siliceous rocks on a global scale,but the genesis of chert is still controversial.To better understand the mechanism of chert nodules deposition from Qixia Form...