华北地台西缘早—中寒武世过渡期核形石:微生物群落对浅海缺氧环境的响应
张文浩1, 史晓颖1,2, 汤冬杰2, 王新强1,2

Mass-occurrence of oncoids in the Early-Middle Cambrian transition at western margin of North China Platform:A response of microbial community to shallow marine anoxia
Zhang Wenhao1, Shi Xiaoying1,2, Tang Dongjie2, Wang Xinqiang1,2
华北地台早—中寒武世过渡期沉积古地理及含核形石地层对比