Characteristics of the Cretaceous Magmatism in Huanghua Depression and Their Relationships with Hydrocarbon Enrichment

Jin, Fu; Huang, J.; Pu, Xipeng; Ma, Changqian; Fu, Lei; Leng, Chongbiao; Lou, Da; Qin, Mutian

doi:10.1007/s12583-020-1308-8

Cited by 10 publications

(1 citation statement)

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“…The MXN sub-sag, nestled within the prolific hydrocarbon terrain of the Bohai Sea area, forms an integral part of the sedimentary tectonic framework of the Bohai Bay Basin (BBB). This Cenozoic basin, stretched along China's eastern coast, encompasses a vast expanse, estimated at approximately 200,000 km 2 , and is noted for its complex rifted structure shaped through multi-phase tectonic evolutions (Lu et al, 1997;Chi and Zhao, 2000;Hao et al, 2007;Schlische and Withjack, 2009;Henza et al, 2010;Yin, 2010;Zuo et al, 2011;Xu et al, 2014;Chang et al, 2018;Song et al, 2019;Jin et al, 2020;Ye et al, 2020;Yu et al, 2020) (Figure 1A). Enveloped by ancient uplifts such as Yan Shan, Taihang Shan, Jiaoliao, and Luxi, the BBB is dissected into multiple subbasins and uplifts, including Liaodong Bay, Liaohe, Bozhong, and others, housing significant hydrocarbon reserves (Hao et al, 2009;Li et al, 2017;Shi et al, 2019;Yu et al, 2020;Zeng et al, 2022).…”

Section: The Mxn Sub-sagmentioning

confidence: 99%

Influence of extensional strike-slip fault systems on hydrocarbon accumulation: case studies from Huanghekoudong and Miaoxi’nan sub-sags

Fu,

Wang,

Yang

et al. 2024

Front. Earth Sci.

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Extensional strike-slip basins have unique structural features that influence both sub-sags and traps. Despite previous investigations into the extension-strike-slip fault system, there remains a gap in the comprehensive analysis of its influence on sub-sag formation and trap development. The Huanghekoudong and Miaoxi’nan sub-sags within the Bohai Bay Basin, intersected by the Tan-Lu Fault Zone, offer exemplary cases for examining the interplay between strike-slip and extensional tectonic regimes. The neotectonic strike-slip movements along the Tan-Lu Fault Zone have given rise to various extensional strike-slip overlap zones in these sub-sags, rendering these locales ideal for investigating the dynamics of strike-slip and extensional tectonic processes. Employing three-dimensional seismic data, well logs, and a newly constructed sequence stratigraphic framework, our research delineates the geometric and kinematic phenomena characteristic of the extensional strike-slip fault system, including the dynamics of extensional fault deformation and interaction through time. By scrutinizing the fault system’s vital role in shaping sub-sag evolution and trap genesis, we present a comprehensive model that significantly contributes to our understanding of structural trapping dynamics. This model not only fine-tunes existing trapping models but also offers invaluable insights for future exploration strategies within the Bohai Bay Basin and other similar extensional strike-slip basins worldwide. Our findings highlight the novel and significant implications of the extensional strike-slip fault system in controlling sub-sag and trap features, thus bridging a notable gap in existing geotechnical knowledge.

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