【摘要】 塔里木盆地属于多期叠合盆地,存在多期不整合与古隆起构造,二者的形成及发育密切相关。利用钻井、地震、野外露头等综合资料,开展了盆地尺度的构造层、不整合结构构造、累积最小生长指数分析,进一步了解盆地内多个古隆起的分布、成因及隆升过程,特别是和田、塔中、塔北、巴楚、塔东古隆起及其内部的形成演化。发现盆地内不同时期古隆起构造变形和展布与盆地周缘造山带构造作用相响应。早古生代以来盆地内古隆起经历了6次大的迁移,每次迁移的动力来源于该时期盆地周缘的板块边缘或造山带的构造活动。根据隆起形成的主控因素,塔里木盆地古隆起主要可分为4种成因类型,包括断控隆起、继承性隆起、前陆盆地前缘隆起和构造古地理隆起等。古隆起隆升的差异还体现在隆起区内不同部位上,对油气成藏有重要意义。更多还原

【Abstract】 The Tarim Basin is the largest superimposed basin in NW China,in which the multiple regional unconformities and palaeo-uplifts developed in the Phanerozoic,and both of them are closely related in their formation and evolution.In this paper,based on the seismic,drilling and outcrop data,the tectonic sequences,the structural architectures of unconformities and the accumulation minimum growth factor in basin-scale are analyzed.The distribution,formation and uplifting process of palaeo-uplifts are better understood,especially in the Hotian,Tazhong,Tabei,Bachu,and Tadong palaeo-uplifts.The results suggest that the structural deformations and distributions of palaeo-uplifts during the main tectonic movement phases in the Tarim Basin are coordinated with the tectonism of the peripheral orogenic belts.From the Early Paleozoic to present,six times of migrations of the palaeo-uplifts had occurred.And each migration had changed and responded to the tectonism of the peripheral basin orogens in the same phase.According to the controlling factors of palaeouplift formation,the uplifts in this basin can be divided into four genetic types,including the fault controlled uplift,the inheritance uplift,the forebulge of the foreland basin and the tectonic palaeo-geography uplift.The differential uplifting of the palaeo-uplifts occurring in their different parts may be significant for the oil and gas accumulation.更多还原