标题：The complex transgression and regression history of the northern margin of the Palaeogene Tarim Sea (NW China), and implications for potential hydrocarbon occurrences
作者：Lv, Dawei; Song, Ying; Shi, Longqing; Wang, Zeli; Cong, Peizhang; van Loon, A. J. (Tom)
作者机构：[Lv, Dawei; Shi, Longqing; Wang, Zeli; van Loon, A. J. (Tom)] Shandong Univ Sci & Technol SDUST, Key Lab Deposit Mineralizat & Sedimentary Mineral, Qi 更多
通讯作者：Lv, Dawei;Lv, DW;Shi, LQ;Song, Y
通讯作者地址：[Lv, DW; Shi, LQ]Shandong Univ Sci & Technol SDUST, Key Lab Deposit Mineralizat & Sedimentary Mineral, Qingdao 266590, Shandong, Peoples R China;[Song 更多
来源：MARINE AND PETROLEUM GEOLOGY
关键词：Tarim basin; Epicontinental sea; Transgressions; Sequence stratigraphy;; Sea-level changes; Palaeogene
摘要：The Tarim Basin is an epicontinental marine basin that developed during the Palaeogene in the eastern margin of the Paratethys Ocean. Palaeoclimate models suggest that sea-level fluctuations were the main driving force causing the Palaeogene aridification of Asia's interior and the increase in monsoon intensity.; The Palaeogene succession in the northern margin of the south-western Tarim Basin is composed of five lithofacies associations in which two third-order sequences and three third-order sequence boundaries are present that correspond a complex history of trans- and regressions. Sequence 1 formed in an epicontinental sea during the Palaeocene and early Eocene, whereas Sequence 2 represents a transitional stage from marine to terrestrial conditions during the late Eocene and Oligocene. Part of this development was synchronous with the development along the southern margin of the south-western Tarim Basin, but the transition from marine to continental along the northern margin of the south-western Tarim Basin did not take place until the late Eocene, when the sea retreated westwards.; The present contribution can help reconstruct the Palaeogene palaeogeography of the Paratethys regions and may also facilitate paleoclimate modelling for central Asia.; It also suggests that there is a good hydrocarbon potential in the western and southern parts of the southwestern Tarim Basin.