新疆塔里木盆地北缘的陆相下二叠统

The Lower Permian of Terrestrial Facies in the Northern Tarim Basin,Southern Xinjiang,China

根据大量化石资料,新疆塔里木盆地北缘柯坪一带的库普库兹满组可作为该区早二叠世早期的代表地层,开派兹雷克组代表早二叠世晚期地层,它们大致与我国华北地区的山西组和下石盆子组相当.分布局限的沙井子组可能是塔北下二叠统最顶部的沉积.塔北下二叠统的顶界是一个明显的构造界面,并与井下地层地震反射皮的 T_5~0界面相符.

According to a lot of fossil materials,authors consider that theKupkuzman Formation at Keping in the Northern Tarim Basin,Xinjiang,should be the lower part of the Lower Permian while the KaipaizleikFormation should be its upper part.The two formations correspond withthe Shansi Formation and the Lower Shihhotse Formation in the NorthChina respectively.The Shajinzi Formation may be the top of the LowerPermian.The upper boundary of the Lower Permian may be put on thetop of the Kaipaizleik Formation which is a clear structure limit andcorresponds with the T_0~0 line of reflecting waves of the earthquake.