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Subduction tectonics vs. Plume tectonics-Discussion on driving forces for plate motion
Chen, Ling1,2,3; Wang, Xu1,3; Liang, Xiaofeng1,4; Wan, Bo1,3,4; Liu, Lijun1,5
2020-03-01
Source PublicationSCIENCE CHINA-EARTH SCIENCES
ISSN1674-7313
Volume63Issue:3Pages:315-328
AbstractPlate tectonics describes the horizontal motions of lithospheric plates, the Earth's outer shell, and interactions among them across the Earth's surface. Since the establishment of the theory of plate tectonics about half a century ago, considerable debates have remained regarding the driving forces for plate motion. The early "Bottom up" view, i.e., the converting mantle-driven mechanism, states that mantle plumes originating from the core-mantle boundary act at the base of plates, accelerating continental breakup and driving plate motion. Toward the present, however, the "Top down" idea is more widely accepted, according to which the negative buoyancy of oceanic plates is the dominant driving force for plate motion, and the subducting slabs control surface tectonics and mantle convection. In this regard, plate tectonics is also known as subduction tectonics. "Top down"tectonics has received wide supports from numerous geological and geophysical observations. On the other hand, recent studies indicate that the acceleration/deceleration of individual plates over the million-year timescale may reflect the effects of mantle plumes. It is also suggested that surface uplift and subsidence within stable cratonic areas are correlated with plume-related magmatic activities over the hundred-million-year timescale. On the global scale, the cyclical supercontinent assembly and breakup seem to be coupled with superplume activities during the past two billion years. These correlations over various spatial and temporal scales indicate the close relationship and intensive interactions between plate tectonics and plume tectonics throughout the history of the Earth and the considerable influence of plumes on plate motion. Indeed, we can acquire a comprehensive understanding of the driving forces for plate motion and operation mechanism of the Earth's dynamic system only through joint analyses and integrated studies on plate tectonics and plume tectonics.
KeywordDriving forces for plate motion Negative buoyancy of plates Subduction tectonics Plume tectonics
DOI10.1007/s11430-019-9538-2
WOS KeywordLARGE IGNEOUS PROVINCE ; MANTLE PLUMES ; LITHOSPHERE ; DYNAMICS ; DESTRUCTION ; MECHANISM ; VOLCANISM ; MARGINS ; BREAKUP ; DRIVEN
Language英语
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000515172700001
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95609
Collection岩石圈演化国家重点实验室
Corresponding AuthorChen, Ling
Affiliation1.Inst Geol, Chinese Acad Sciences, State Key Lab Lithospher Evolut, Geophysics, Beijing, Beijing, Peoples R China
2.CAS Ctr Excellence Tibetan Plateau Earth Sciences, Beijing, Beijing, Peoples R China
3.Univ Chinese Acad Sciences, Beijing, Beijing, Peoples R China
4.Innovat Acad Earth Sci, Chinese Acad Sciences, Beijing, Beijing, Peoples R China
5.Univ Illinois, Dept Geol, Champaign, IL 61820 USA
Recommended Citation
GB/T 7714
Chen, Ling,Wang, Xu,Liang, Xiaofeng,et al. Subduction tectonics vs. Plume tectonics-Discussion on driving forces for plate motion[J]. SCIENCE CHINA-EARTH SCIENCES,2020,63(3):315-328.
APA Chen, Ling,Wang, Xu,Liang, Xiaofeng,Wan, Bo,&Liu, Lijun.(2020).Subduction tectonics vs. Plume tectonics-Discussion on driving forces for plate motion.SCIENCE CHINA-EARTH SCIENCES,63(3),315-328.
MLA Chen, Ling,et al."Subduction tectonics vs. Plume tectonics-Discussion on driving forces for plate motion".SCIENCE CHINA-EARTH SCIENCES 63.3(2020):315-328.
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