云南曲靖志留纪含鱼地层关底组的划分与时代

蔡家琛, 赵文金, 朱敏

Subdivision and age of the Silurian fish-bearing Kuanti Formation in Qujing, Yunnan Province

CAI Jia-Chen, ZHAO Wen-Jin, ZHU Min

图2 曲靖周边上铁路-东坡剖面的志留系关底组地层 A. 关底组I段(Member I); B. 关底组II段(Member II); C. 关底组III段(Member III); D. 关底组IV段(Member IV);E. 关底组III段下部粗大虫管遗迹化石(the stout tubular trace fossils in the lower part of Member III);F. 关底组Ⅲ段中部盾皮鱼类化石(placoderms in the middle part of Member III)

Fig. 2 The Silurian Kuanti Formation exposed in the Shangtielu-Dongpo Section around Qujing, Yunnan