Mantle serpentinization of subducting plate are controlled by combined effect of plate age and bending curvature

doi:10.1016/j.epsl.2024.118799

IOCAS-IR > 海洋地质与环境重点实验室

	Mantle serpentinization of subducting plate are controlled by combined effect of plate age and bending curvature
	Zhang, Jiangyang 1,2; Zhang, Fan 1,2; Lin, Jian 1,2,3; Gao, Xiang 4; Cai, Chen 5; Zhou, Zhiyuan 3
	2024-08-15
发表期刊	EARTH AND PLANETARY SCIENCE LETTERS
ISSN	0012-821X
卷号	640 页码:10
通讯作者	Zhang, Fan([email protected])
摘要	A primary pathway for surface water to enter the Earth ' s interior is through faulting of oceanic plates. Mantle hydration of subducting plate is considered to play an important role on the water flux of subduction zone. Previous studies have found that the mantle hydration was related to plate bending and faulting, however the controlling mechanism of plate bending on mantle hydration at subduction zone is still highly unclear. In this study, we use the latest obtained reduction in uppermost mantle P - wave velocity ( V p ) profiles beneath the subduction zone outer rise region, which is thought to be the result of mantle serpentinization, to examine the degrees of mantle serpentinization at several subduction zones and analyzed their relationship to plate age, bending curvature, and the sediment thickness near the trench. Results of analysis revealed that the average degree of the estimated mantle serpentinization increases with both the plate age and bending curvature, while it is hampered by sedimentation. The thick sediment can almost entirely prevent water from entering the mantle. Importantly, we found a good linear correlation between the reduction of uppermost mantle V p and the theoretical brittle extensional strain determined by plate age and curvature. Based on this, a mechanism is proposed to illustrate the governing mechanism of the combined effect of the plate age and bending curvature in controlling the mantle serpentinization degree for global subduction zones.
关键词	Subduction zone Plate bending Bending curvature Plate hydration Mantle serpentinization
DOI	10.1016/j.epsl.2024.118799
收录类别	SCI
语种	英语
资助项目	Na- tional Natural Science Foundation of China[91958211]; Na- tional Natural Science Foundation of China[42206071]; Na- tional Natural Science Foundation of China[42106067]; Guangdong Basic and Applied Basic Research Foundation[2024B1515020100]; Guangdong Basic and Applied Basic Research Foundation[2024A1515012247]; Guangdong Basic and Applied Basic Research Foundation[2022A1515010090]; Science and Technology Program of Guangzhou[2023A04J0893]; Taishan Scholar Foundation of Shandong Province[tstp20230638]
WOS研究方向	Geochemistry & Geophysics
WOS类目	Geochemistry & Geophysics
WOS记录号	WOS:001249737300001
出版者	ELSEVIER
WOS关键词	HYDRATION ; LITHOSPHERE ; PRESSURE ; FLEXURE ; WATER ; CRUST ; CONSTRAINTS ; TEMPERATURE ; FRICTION ; SEAWARD
引用统计
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/186519
专题	海洋地质与环境重点实验室
通讯作者	Zhang, Fan
作者单位	1.Chinese Acad Sci, Innovat Acad South China Sea Ecol & Environm Engn, South China Sea Inst Oceanol, Key Lab Ocean & Marginal Sea Geol, Guangzhou 510301, Peoples R China 2.CAS HEC, China Pakistan Joint Res Ctr Earth Sci, Islamabad 45320, Pakistan 3.Southern Univ Sci & Technol, Dept Ocean Sci & Engn, Shenzhen 518055, Peoples R China 4.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China 5.Sun Yat Sen Univ, Sch Earth Sci & Engn, Guangzhou 519080, Peoples R China
第一作者单位	中国科学院海洋研究所
通讯作者单位	中国科学院海洋研究所
推荐引用方式 GB/T 7714	Zhang, Jiangyang,Zhang, Fan,Lin, Jian,et al. Mantle serpentinization of subducting plate are controlled by combined effect of plate age and bending curvature[J]. EARTH AND PLANETARY SCIENCE LETTERS,2024,640:10.
APA	Zhang, Jiangyang,Zhang, Fan,Lin, Jian,Gao, Xiang,Cai, Chen,&Zhou, Zhiyuan.(2024).Mantle serpentinization of subducting plate are controlled by combined effect of plate age and bending curvature.EARTH AND PLANETARY SCIENCE LETTERS,640,10.
MLA	Zhang, Jiangyang,et al."Mantle serpentinization of subducting plate are controlled by combined effect of plate age and bending curvature".EARTH AND PLANETARY SCIENCE LETTERS 640(2024):10.