四川广安谢家槽剖面下三叠统夜郎组和嘉陵江组中含有扁平砾石灰岩、蠕虫状灰岩、叠层石、层纹状灰岩、薄层泥晶灰岩、条带状灰岩和水平分布的遗迹化石等类型丰富的时错相沉积,由下至上时错相沉积呈现出逐渐减弱的总趋势。早三叠世晚期,时错相沉积从正常海洋环境沉积中退出,只是出现在高压力环境的沉积物中。时错相沉积的这种时空分布和发育程度的变化,反映二叠纪末生物大灭绝事件后,早三叠世海洋生态系复苏的历程。 The Lower Triassic Yelang Formation and the Jialingjiang Formation in the Xiejiacao Section of Guang’an, Sichuan Province contain flat gravel limestone, worm-like limestone, stratigraphic stone, layered limestone, thin-bedded micrite, banded limestone and Horizontal distribution of trace fossils and other types of rich-phase deposition, from the bottom up when the staggered deposition showed a gradual decline in the general trend. In the late Early Triassic, the out-of-phase sediments were withdrawn from the sedimentation of the normal marine environment, but only in the sediments of high-pressure environments. This time-space distribution and the change of the degree of development of the misaligned sediments reflect the course of the recovery of the marine ecosystem in the early Triassic after the event of the end-Permian mass extinction.