Brachiopoda

1.The strata strike NE,and its rock association are consisted of pyroclastic sedimentary rock,micrite and pyroclastic rocks,and containts brachiopoda,coral,bryozoan.

时代属于中泥盆世早期,大于菲-维特,应归属为大民山组。

2.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.

在该地层中发现了一些腕足类、珊瑚、腹足类、植物化石，经中国科学院南京地质古生物研究所鉴定，时代属晚石炭世晚期。