New Magnetostratigraphic Results of the Upper Cambrian Strata in South China Reveal An Unstable Geomagnetic Field

Yong-Xiang Li1, John Anthony Tarduno2, Wenjun Jiao1, Xinyu Liu1, Shanchi Peng3, Shihua Xu1, Aihua Yang1 and Zhenyu Yang4, (1)Nanjing University, Nanjing, China, (2)University of Rochester, Earth and Environmental Sciences, Rochester, United States, (3)Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, China, (4)Capital Normal University, Beijing, China