Huizhou Movement and its significance in Pearl River Mouth Basin, China

作者：SHI Hesheng,DU Jiayuan,MEI Lianfu,ZHANG Xiangtao,HAO Shihao,LIU Pei,DENG Peng,ZHANG Qin

摘要：The Huizhou Movement refers to the Middle Eocene tectonic transition from the early to the late Wenchang Rifting stage(about 43 Ma ago) in the Pearl River Mouth Basin. Based on seismic reflection, drilling, logging and geological data, fault characteristic analysis, denudation thickness recovery, magmatism statistics, regional tectonic dynamics comparison and other methods are used to reveal the characteristics, properties and dynamic mechanism of the Huizhou Movement. The Huizhou Movement mainly shows the North-South transition of rifting and the migration along the faults, basement uplift, magmatic diapir and stratigraphic denudation. It is believed that the Huizhou Movement is a comprehensive reflection of plate interaction and lithospheric thinning process in the Pearl River Mouth Basin, which is closely related to the transition of lithosphere from initial rifting to rapid thinning, the India-Eurasia hard collision and the change of subduction direction of the Pacific plate. The Huizhou Movement has significant influence and control on the Paleogene hydrocarbon-generating sags and the development of hydrocarbon source rocks, sedimentary system and deep high-quality reservoir, hydrocarbon migration and accumulation in the Pearl River Mouth Basin.

发文机构：Exploration Department of CNOOC Ltd. Shenzhen Branch of CNOOC Ltd. Key Laboratory of Tectonics and Petroleum Resources

关键词：HuizhouMovementhydrocarbonaccumulationEOCENEPaleocenePearlRiverMouthBasin

分类号： P618.13[天文地球—矿床学]P542[天文地球—地质学]