新疆晚二迭世——中、新生代陆相沉积在天山南北辽阔的塔里木、准噶尔盆地,以及在天山和昆仑山山间盆地中。均有广泛不同程度的分布,其中以天山北麓的准噶尔盆地发育最佳,露头剖面多较连续完整,其中含有丰富的生物化石,塔里木盆地西部(包括天山山间的托云洼地(在晚白垩世和早第三纪时期,曾一度遭受古地中海海水的浸漫。 Late Permian in Xinjiang - Mesozoic and Cenozoic terrestrial deposition in the vast north-south Tianshan Tarim, Junggar Basin, and in the Tianshan and Kunlun Mountains basin. There are a wide range of different degrees of distribution, of which the best in the northern Junggar Basin, Tianshan Mountains, outcrop profile more continuous and complete, which is rich in biological fossils, the western Tarim Basin (including the Tianshan Mountains Tuoyun depression (in the late Cretaceous The Middle and Early Tertiary period, once suffered from the ancient Mediterranean sea water.