石油与天然气地质 ›› 1989, Vol. 10 ›› Issue (2): 130-136.doi: 10.11743/ogg19890205

• 论文 • 上一篇    下一篇

江苏镇江大力山下三叠统上青龙组的牙形石

丁连生, 包德宪   

  1. 华东石油地质局地质研究大队
  • 收稿日期:1988-07-05 出版日期:1989-06-25 发布日期:2012-01-16

CONODONTS OF THE TRIASSIC UPPER QINGLONG FORMATION IN DALISHAN SECTION,ZHENJIANG JIANGSU PROVINCE

Ding Liansheng, Bao Dexian   

  1. The East China Bureau of Petroleum Geology, Ministry of Geology and Mineral Resources
  • Received:1988-07-05 Online:1989-06-25 Published:2012-01-16

PDF (PC)

542

被引次数

6

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。

Abstract:

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 assem blage 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.