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DOI10.1016/j.scib.2018.12.029
Two styles of plate tectonics in Earth's history
Zheng Y.-F.; Zhao G.
发表日期2020
ISSN20959273
起始页码329
结束页码334
卷号65期号:4
英文摘要When plate tectonics started to occur on Earth and how it has evolved through time are two of the most fundamental questions in earth sciences. While gravity-driven subducting has been accepted as a critical condition for the operation of plate tectonics on Earth, it is intriguing how the dynamic regime and thermal state of subduction zones have affected the style of plate tectonics in Earth's history. The metamorphic rocks of regional distribution along convergent plate boundaries record reworking of crustal rocks through dehydration and melting at lithospheric depths. The property of regional metamorphism is determined by both dynamic regime and thermal state of plate margins. The two variables have secularly evolved in Earth's history, which is recorded by changes in the global distribution of metamorphic facies series through time. This results in two styles of plate tectonics. Modern-style plate tectonics has developed since the Neoproterozoic when plate margins were rigid enough for cold subducting, whereas ancient-style plate tectonics has developed since the Archean when plate margins were ductile enough for warm subducting. Such a difference is primarily dictated by higher mantle temperatures in the Archean than in the Phanerozoic. The development of plate subduction in both cold and warm realms is primarily dictated by the rheology of plate margins. This leads to a holistic model for the style of plate tectonics during different periods in Earth's history. © 2019 Science China Press
关键词Dynamic regimeExtreme metamorphismMobile beltPlate tectonicsSubduction zoneThermal state
英文关键词Geographical distribution; Metamorphic rocks; Convergent plate boundaries; Dynamic regimes; Extreme metamorphism; Global distribution; Regional distribution; Regional metamorphisms; Subduction zones; Thermal state; Tectonics
语种英语
来源期刊Science Bulletin
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/207330
作者单位CAS Key Laboratory of Crust-Mantle Materials and Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China; Department of Earth Sciences, University of Hong Kong, Hong Kong; The Center of Excellence for Comparative Planetology, Chinese Academy of Sciences (CAS), Hefei, 230026, China; Department of Geology, Northwest University, Xi'an, 710069, China
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Zheng Y.-F.,Zhao G.. Two styles of plate tectonics in Earth's history[J],2020,65(4).
APA Zheng Y.-F.,&Zhao G..(2020).Two styles of plate tectonics in Earth's history.Science Bulletin,65(4).
MLA Zheng Y.-F.,et al."Two styles of plate tectonics in Earth's history".Science Bulletin 65.4(2020).
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