Newly identified Late Triassic volcanic rocks in the Yanshan Fold and Thrust Belt, northern China and its implications

Hailong Gao1, Yue Zhao2, Shuan-Hong Zhang2 and Jian Liu2, (1)School of Earth Sciences, East China University of Technology, Nanchang, China, (2)Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing, China