摘要
在镇江大力山下三叠统上青龙组中发现了大量牙形石,计15个属,34个种(其中8个未定种,3个相似种)。自下而上可分为两个牙形石组合带:(1)Neospathodus triangularis-N.collinsoni,(2)N.homeri-N.anhuinensiss 组合带.时代为奥伦尼克晚期,生活于浅水陆棚相。
A lot of conodonts are found in Upper Qinglong Formation of LowerTriassic in Dalishan section.They consist of 15 genera and 34 species, and can be divided into two conodont assemblage zones:1.Neospathodus triangularis-N,collisoni A.Z.2.N.homeri-N.anhuinensis A.Z.These correspond to late stage of Olenekian in age,and developed inshallow shelf environment.
出处
《石油与天然气地质》
EI
CAS
CSCD
北大核心
1989年第2期130-136,T001,T002,共9页
Oil & Gas Geology
