题 名：四川西北部的岩关阶(The Aikuanian Stage o fnorthwestern Sichuan)
关键词：
作 者：佟正祥 正树碑 陈继荣(Tong Zheng-xiang Wang Shu-bei and Chen Ji-rong)
年卷期：1985年9卷4期
页 码：283-292
文 摘：
Based on the contained stromatoporoids,rugoes corals,brachiopods as well as the sedimentary facies,the Aikuanian sequences are subdiyided ascendingly into three formations,namely,the Beich