塔里木盆地库车坳陷盐构造运动学特征

本文根据大量地震与地质资料的综合分析，对表征库车坳陷盐构造流动变形特征的净生长量、生长率及应变速率进行了定量分析。厘定库车坳陷盐构造初始形成时间在中新世早期，盐构造早期生长缓慢而稳定；上新世中晚期一第四纪进入快速生长期，晚期盐构造生长速率高且差别大。库车坳陷盐构造演化可分为盐膏层沉积期、低幅度盐枕缓慢发育期、盐背斜构造发育期、盐底辟发展期、盐底辟刺穿破坏期五个连续演化阶段。

Kinematics Characteristics of the Kuqa Depression in the Tarim Basin

This paper quantitatively describes the net growth, net growth rate and strain rate of the salt structures in the Kuqa depression and illustrates the salt movement characteristics of Kuqa depression based on analysis of abundant seismic and geological data. The first movement of the salt began in the early Miocene, when the salt structure grew slowly and stably. The fast growth of the salt structure took place from the middle-late Pliocene to Quaternary, featuring quick and differentiated growth. The salt structure in the Kuqa depression has five continuous growth stages: sedimentation of salt and gypsum, slow growth of low-relief salt pillows, development of salt anticlines, salt diapir expansion and breakage of salt diapir piercement.