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.

在该地层中发现了足类、珊瑚、腹足类、植化，经中国科学院南京地质研究所鉴定，时代属晚炭世晚期。