新疆洛浦县和巴楚县晚石炭世—早二叠世牙形石动物群及其地层意义

Late Carboniferous and Early Permian ConodontBiostratigraphy in Luopo and Bachu Counties, Xinjiang

本文依据对新疆洛浦县阿其克和巴楚县小海子剖面牙形石动物群研究，详细探讨了塔里木盆地西部石炭－二叠系界线的划分和克孜里奇曼组、南闸组和康克林组上部地层的归属问题；指出从牙形石Ｓｗｅｔｏｇｎａｔｈｕｓ，Ｎｅｏｓｔｒｅｐｔｏｇｎａｔｈｏｄｕｓ的发展和演化看。

The Upper Carboniferous and the Lower Permian are very developed in western Tarim basin. According to research on conodont faunas from Luopo and Bachu Counties contact relation and division of the Carboniferous-Perm‘ian boundary are probed in detail, and age of the Keziliqiman Fm. the Nanzha Fm. and the upper part of the Kangkelin Fm. are further definited, which belong to the Early Permian.