气候变化领域集成服务门户(CCPortal): Long-term evolution of a plume-induced subduction in the Neotethys realm

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DOI	10.1016/j.epsl.2021.116798
	Long-term evolution of a plume-induced subduction in the Neotethys realm
	Rodriguez M.; Arnould M.; Coltice N.; Soret M.
发表日期	2021
ISSN	0012821X
卷号	561
英文摘要	The head of a mantle plume can weaken the oceanic lithosphere through the combined action of its buoyancy forces and excess temperature, which eventually induces intra-oceanic subductions. However, the dynamics of plume-induced subductions, their lifetime and their ability to propagate at the scale of an entire ocean remain unknown. Here, we combine a quantitative synthesis of the ophiolitic record of the Neotethys subduction in the Late Cretaceous with 3D spherical modeling of mantle convection self-generating plate-like tectonics to propose that the pre-Deccan plume initiated the Southern Neotethys Subduction. We suggest that this subduction retreated at 5-10 cm yr−1 until it reached the continental margins of Arabia and India. The sequential segmentation of this subduction during its retreat and the diachronous deactivation of the resulting segments drove the Late Cretaceous-Eocene series of plate reorganization events recorded in the Indian Ocean's fabric. © 2021 Elsevier B.V.
关键词	Indian Ocean mantle plume Neotethys ophiolites subduction
英文关键词	3D modeling; Combined actions; Continental margin; Late cretaceous; Mantle convection; Oceanic lithosphere; Oceanic subduction; Sequential segmentation; Spherical models; Long Term Evolution (LTE); continental margin; Cretaceous; induced response; mantle convection; mantle plume; oceanic lithosphere; ophiolite; quantitative analysis; subduction; Tethys; Arabian Peninsula; India; Indian Ocean
语种	英语
来源期刊	Earth and Planetary Science Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/203273
作者单位	Laboratoire de Géologie, Ecole normale supérieure, PSL research university, CNRS UMR 8538, 24 rue Lhomond, Paris, 75005, France; Centre for Earth Evolution and Dynamics (CEED), Department of Geosciences, University of Oslo, Oslo, Norway; Laboratoire de Géologie de Lyon: Terre, Planètes, Environnement, Université Lyon 1, Ecole Normale Supérieure de Lyon, CNRS, Villeurbanne, France; Institut des Sciences de la Terre d'Orléans (ISTO), UMR 7327, CNRS, BRGM, Université d'Orléans, Orléans, 45071, France
推荐引用方式 GB/T 7714	Rodriguez M.,Arnould M.,Coltice N.,et al. Long-term evolution of a plume-induced subduction in the Neotethys realm[J],2021,561.
APA	Rodriguez M.,Arnould M.,Coltice N.,&Soret M..(2021).Long-term evolution of a plume-induced subduction in the Neotethys realm.Earth and Planetary Science Letters,561.
MLA	Rodriguez M.,et al."Long-term evolution of a plume-induced subduction in the Neotethys realm".Earth and Planetary Science Letters 561(2021).