Studies on Radiolarian Fauna from Gufeng Formation in Anhui and Jiangsu Provinces,East China and Its Paleoenviromental Significance;

Geochemistry and Origin of Siliceous Rocks from the Gufeng Formation of Middle Permian in the Pingdingshan Area,Chaohu Region,Anhui Province;

The Tangtian manganese ore deposit lies in Gufeng formation of Permian system in Guichi area, Anhui province including sedimentary carbonatemanganese ore and the oxidized manganese ore.

A well preserved Middle Permian radiolarian fauna of the Kuhfeng Formation is for the first time described from Renhua area of Shaoguan, Guangdong Province, South China.

The relatively rich radiolarians of the Kuhfeng Formation found from Tianbaoshan in Nanjing,and from Pingdingshan of Chaohu,Yangongtang of Jingxian and Yashan of Nanling in Anhui comprise 14 species and 2 unnamed species,belonging to 7 genera,which are grouped in 6 families and may be divided into 3 radiolarian assemblage zones,namely,the Pseudoalbaillella fusiformis-Ps.

Study on Geochemistry of Rare Earth Elements (REEs) in Permian Coal from Huaibei Coalfield;

The affinity of associated elements in Permian coals from the Huaibei Coalfield;

Discovery of Foraminifers in the Permian Radiolarites in Jiangsu and Anhui Provinces and their Depositional Environment;

Based on the above, the paper also elaborates systematically the evolution of δ13C and δ18O in the Permian marine carbonate rocks and its relation with sea level change and establishes the evolution curves of the carbon and oxygen isotopes in the Permian period.

This dissertation is object on the sedimentary stratum of Permian period of Central Tianshan.