地质力学学报2018，Vol.24Issue(1)：1-8,8.DOI:10.12090/j.issn.1006-6616.2018.24.01.001
陡倾逆断层形成机制——以塔里木盆地色力布亚断层为例
FORMATION MECHANISM OF STEEPLY INCLINED REVERSE FAULT: TAKE THE SERIKBUYA FAULT IN TARIM BASIN AS AN EXAMPLE
摘要
Abstract
Many steeply inclined reverse faults have developed in basins of western China,but we have not yet gained an unified understanding of their formation mechanism.The Serikbuya fault is located in the western Tarim Basin and it is a typical steeply inclined reverse fault,which provides a good example to study the formation mechanism of steeply inclined reverse fault.According to the latest seismic profiles and stratigraphic analysis,the inclination of the upper part of the Serikbuya fault is about 65°.The Serikbuya fault formed through two-staged tectonic movement.The first period ranged from Late Caledonian movement to early Hercynian movement (439 ～ 362 Ma),and the second period was during the Medium Himalayan movement (23.3 ～5.3 Ma).It is the multi-stage movements of the fault that formed the upper steeply inclined fault.That is,the movement of the previous gently inclined reverse fault changed the local stress field and promoted the maximum stress spindle from horizontal to tilt.Then the Coulomb fault inclination occurred steep and back thrusts appeared.At the same time,the results of digital sandbox simulation are used to confirm the above inferences.关键词
色力布亚断裂/塔里木盆地/陡倾逆断层/数字砂箱/成因机制Key words
the Serikbuya fault/Tarim Basin/steeply inclined reverse fault/digital sandbox/formation mechanism分类
天文与地球科学引用本文复制引用
李伟,陈书平,云金表,刘志娜,刘士林,季弘莹..陡倾逆断层形成机制——以塔里木盆地色力布亚断层为例[J].地质力学学报,2018,24(1):1-8,8.基金项目
中国石油化工股份有限公司石油勘探开发研究院项目(G5800-15-ZS-WX014) （G5800-15-ZS-WX014）
国家自然科学基金项目(41572105) （41572105）
