STUDY ON PERMIAN GUADALUPIAN FUSULINIDA BIOSTRATIGRAPHY IN WUNING AREA, JIANGXI PROVINCE
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Abstract:
A total of 8 genera and 30 species of the fusulinid fossils are found in the Permian Qixia Formation, Mao Kou Formation and the lower part of the Longtan Formation in Wuning, Jiangxi, ten species of which are systematically described. Six fusulinid zones were recognized. They are, in ascending order, the Schwagerina anhuiensis-Schwagerina chihsiaensis Zone, the Schwagerina chihsianesis regularis Zone, the Chusenella conicocylindrica Zone, the Chusenella douvillei Zone, the Chusenella ishanensis Zone and the Pseudodoliolina pseudolepida Zone. By comparison with the fusulinid zones in Qixiashan of Nanjing and Huopu Town, Pan County, Guizhou Province, the geological age in the upper part of the Qixia Formation, the Maokou Formation and the lower part of the Longtan Formation in this area are respectively Roadian, Wordian and Capitanian.
