Late Ordovician volcanic ash deposition in the southwestern Yangtze Shelf: Evidence for arc magmatism in the Wuyi-Yunkai Orogen

doi: 10.1007/s12583-025-0239-9

• Jiaqiang Zhang^1,2,3 , 
• Zhen Qiu^{3 ,  ,}  , 
• Weiliang Kong³ , 
• Wenjiao Xiao^{1,2,4 ,  ,} 

• 1 State Key Laboratory of Lithospheric and Environmental Coevolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China;

• 2 College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China;

• 3 Research Institute of Petroleum Exploration & Development, China National Petroleum Corporation, Beijing 100083, China;

• 4 Xinjiang Research Center for Mineral Resources, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China