Processes, Facies and Architecture of the Early Cretaceous Pyroclastic Deposits of the Second Member, Yingcheng Formation，the Eastern Margin of the Songliao Basin

CHENG Ri-hui， LIU Wan-zhu，WANG Pu-jun，HOU Jing-tao，JIANG Xue，LI Fei

Journal of Jilin University(Earth Science Edition) . 2007, (6): 1166 -1175 .