题 名：论吉林浑江大阳岔寒武、奥陶系的分界(On the Cambrian-Ordovician boundary at Dayangcha of Hunjiang,Jilin)
关键词：
作 者：钱义元(Qian Yi-yuan)
年卷期：1987年11卷4期
页 码：260-270
文 摘：
The Cambrian-Ordovician boundary sections in North and Northeast China were studied in detail by sev
题 名：论吉林浑江大阳岔寒武、奥陶系的分界(On the Cambrian-Ordovician boundary at Dayangcha of Hunjiang,Jilin)
关键词：
作 者：钱义元(Qian Yi-yuan)
年卷期：1987年11卷4期
页 码：260-270
文 摘：
The Cambrian-Ordovician boundary sections in North and Northeast China were studied in detail by sev