Zhengyi Zhang

Xiamen University

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Dongdong Dong

Guangdong Institute of New Materials

Guangxu Zhang

Shanghai Public Health Clinical Center

Sanzhong Li

Ocean University of China

Jianke Fan

Institute of Oceanology

Yongliang Bai

China University of Petroleum, East China

Xiujuan Wang

Northwest A&F University

Cuilin Li

Institute of Oceanology

Jiapeng Jin

Qingdao National Laboratory for Marine Science and Technology

Xiwu Luan

Shandong University of Science and Technology

Weidong Sun

Wuhan University

Cooperative Institutions

Qingdao National Laboratory for Marine Science and Technology

Chinese Academy of Sciences

Institute of Oceanology

Laoshan Laboratory

University of Chinese Academy of Sciences

Ocean University of China

China Geological Survey

Ministry of Natural Resources

State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering

University of Adelaide

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Topographic and sedimentary features in the Yap subduction zone and their implications for the Caroline Ridge subduction

Tectonophysics (2017)

Dongdong Dong Zhengyi Zhang Yongliang Bai Jianke Fan Guangxu Zhang

Trough (economics)

Forearc

10.1016/j.tecto.2017.11.030

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Citations (33)

The Caroline Ridge fault system and implications for the bending-related faulting of incoming oceanic plateaus

Gondwana Research (2021)

Zhengyi Zhang Dongdong Dong Weidong Sun Guangxu Zhang

Horst

Transform fault

Horst and graben

Trough (economics)

10.1016/j.gr.2020.11.018

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Citations (8)

Investigation of an oceanic plateau formation and rifting initiation model implied by the Caroline Ridge on the Caroline Plate, western Pacific

International Geology Review (2020)

Zhengyi Zhang Dongdong Dong Weidong Sun Guangxu Zhang Yongliang Bai

The rifting of oceanic plateaus is an important mechanism for initiating lithospheric break-up and subsequent seafloor spreading. In this study, we present the latest multichannel seismic data investigating the Caroline Ridge and provide one of the typical cases for initial oceanic plateau evolution. We reveal that a smooth basement reflector (R2), as the top of the lava flows, is subparallel to the sediments with horizontal seismic reflections over the surface of the Caroline Ridge. Thick layer-parallel lava flows beneath the R2 appear within the crust. Large seamounts in the Sorol Trough possess abundant saucer-shaped intracrustal reflectors, and the overlying sediments were destroyed by intrusive bodies. The overlying sedimentary sequences, basement, and thick lava flows on the Caroline Ridge flanks were faulted by opposing normal fault sets, and the eruptions of the seamounts deformed the strata. A widespread bright horizontal reflector (R1), as an unconformity inside the Caroline Ridge sediments, truncates the lower tilted sediment layers and is itself cut by normal faults in the flank strata. Furthermore, we propose that subaerial lava flows extended laterally from the hotspot magmatism localizing in the Sorol Trough and led to Caroline Ridge formation. The initial rifting of the Caroline Ridge occurred during the Early-Middle Miocene. Limited volcanoes concentrate only in the Sorol Trough due to the attenuated thermal effect. It is suggested that dome uplifting and far-field force could have jointly caused initial rifting process of the Caroline Ridge.

Seafloor Spreading

Seamount

Trough (economics)

Subaerial

Volcanic plateau

10.1080/00206814.2019.1707126

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Citations (15)

Seismic Structure of the Caroline Plateau‐Yap Trench Collision Zone

Geophysical Research Letters (2022)

Jianke Fan Hong Zheng Dapeng Zhao Dongdong Dong Yongliang Bai

Abstract Collision of oceanic plateaus with trenches has played a key role in the continental growth and plate tectonic reorganizations throughout the Earth's history. However, the understanding of collision between an initially rifted plateau with a trench is still deficient. Here we conduct the first seismic tomography and receiver function analyses in the Yap subduction zone, western Pacific Ocean, where the initially rifted Caroline Plateau is colliding with the Yap Trench. Our results reveal horizontal and overturned slabs south and north of the Sorol Trough, respectively, which may be caused by slab breakoff followed by underplating and eastward mantle flow with ultra‐slow convergence. The distinct slab morphologies could be responsible for the short‐lived arc volcanism (11‐7 Ma), horst‐graben structures, different Bouguer gravity anomalies and stress regimes in the Yap subduction zone. The overturned slab may cause the incoming plateau to be stretched to facilitate the initial plateau subduction.

Underplating

continental collision

Slab

Horst

10.1029/2022gl098017

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Citations (14)

Interaction between magmatism and polygonal faults revealed by three-dimensional seismic data in the Zhongjiannan Basin, South China Sea

Marine and Petroleum Geology (2024)

Wenlong Wang Xiujuan Wang Yintao Lu Sanzhong Li Jiapeng Jin

10.1016/j.marpetgeo.2024.106793

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Citations (3)

The relationship between the nature of margins and the subduction of oceanic plateaus: Insights from variations in the forearc basement and sediments along the New Guinea Trench in the West Pacific

Tectonophysics (2024)

Zhengyi Zhang Xiwu Luan Sanzhong Li Xiujuan Wang Dongdong Dong

Forearc

Basement

Accretionary wedge

10.1016/j.tecto.2024.230235

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Citations (1)

Construction of the Caroline Ridge uppermost basement in the West Pacific: Implications from intrabasement seismic reflectors

Geological Journal (2023)

Zhengyi Zhang Dongdong Dong Sanzhong Li Xiujuan Wang Guangxu Zhang

The construction model of the Caroline Ridge uppermost basement is still unresolved, requiring more inference from limited geophysical observational data. Here, we systematically reveal intrabasement seismic reflectors of volcanic sequences within the rifted and subsidence domains of the Caroline Ridge. Extrusive centres and three types of intrabasement reflectors, that is, relatively horizontal, ridgeward‐dipping and folded reflectors, have been identified. Extrusive centres in the rifted domain are characterized by domal shapes and produce sub‐parallel stratified intrabasement reflectors within the conduits that connect with the relatively horizontal reflectors distributed on both sides of the basement highs. Intrabasement reflectors display increasing dip angles away from the extrusive centre and present ridgeward‐dipping reflectors but not troughward‐dipping reflectors in subsidence domain 1, suggesting a brittle deformation process. Layered intrabasement reflectors are developed within subsidence domain 2 but display folded and mounded morphologies, suggesting a ductile deformation process. We propose that the Caroline Ridge formation was supported by discrete extrusive centres, and the uppermost basement construction model has experienced stages of transition from brittle deformation to ductile deformation, which can provide new clues for the early‐stage crustal evolution of global oceanic plateaus.

Extrusive

Basement

10.1002/gj.4875

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A case study on subduction erosion with extra-slow convergence rate: the northern Yap subduction zone, western Pacific

EGU General Assembly Conference Abstracts (2019)

Dongdong Dong Zhengyi Zhang Weidong Sun

Eclogitization

Source

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