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  4. 岩石圈演化国家重点实验室
Venus' light slab hinders its development of planetary-scale subduction

文献类型：期刊论文

作者Chen, Junxing3; Jiang, Hehe3,4; Tang, Ming1,5; Hao, Jihua6; Tian, Meng2; Chu, Xu3
刊名NATURE COMMUNICATIONS
出版日期2022-12-10
卷号13期号:1页码:9
DOI10.1038/s41467-022-35304-3
英文摘要Terrestrial planet Venus has a similar size, mass, and bulk composition to Earth. Previous studies proposed that local plume-induced subduction existed on both early Earth and Venus, and this prototype subduction might initiate plate tectonics on Earth but not on Venus. In this study, we simulate the buoyancy of submerged slabs in a hypothesized 2-D thermo-metamorphic model. We analyze the thermal state of the slab, which is then used for calculating density in response to thermal and phase changes. The buoyancy of slab mantle lithosphere is primarily controlled by the temperatures and the buoyancy of slab crust is dominated by metamorphic phase changes. Difference in the eclogitization process contributes most to the slab buoyancy difference between Earth and Venus, which makes the subducted Venus' slab consistently less dense than Earth's. The greater chemical buoyancy on Venus, acting as a resistance to subduction, may have impeded the transition into self-sustained subduction and led to a different tectonic regime on Venus. This hypothesis may be further tested as more petrological data of Venus become available, which will further help to assess the impact of petro-tectonics on the planet's habitability. The simulation of slab buoyancy in 2-D models shows that Venus' light slabs, due to a less eclogitized crust, experience more resistance to subduction. Thus, plate tectonics might have been more difficult to develop on Venus than on Earth.
WOS关键词PLUME-INDUCED SUBDUCTION ; PLATE-TECTONICS ; THERMAL EVOLUTION ; EARTH ; INITIATION ; SURFACE ; WATER ; ECLOGITE ; ORIGIN ; CONDUCTIVITY
资助项目NSERC Discovery Grant[RGPIN-2018-03925] ; National Natural Science Foundation of China[41888101] ; Chinese Academy of Sciences Pioneer Hundred Talents Program ; CIFAR Azrieli Global Scholarship ; Universitat Bern
WOS研究方向Science & Technology - Other Topics
语种英语
WOS记录号WOS:000971718200012
出版者NATURE PORTFOLIO
资助机构NSERC Discovery Grant ; NSERC Discovery Grant ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences Pioneer Hundred Talents Program ; Chinese Academy of Sciences Pioneer Hundred Talents Program ; CIFAR Azrieli Global Scholarship ; CIFAR Azrieli Global Scholarship ; Universitat Bern ; Universitat Bern ; NSERC Discovery Grant ; NSERC Discovery Grant ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences Pioneer Hundred Talents Program ; Chinese Academy of Sciences Pioneer Hundred Talents Program ; CIFAR Azrieli Global Scholarship ; CIFAR Azrieli Global Scholarship ; Universitat Bern ; Universitat Bern ; NSERC Discovery Grant ; NSERC Discovery Grant ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences Pioneer Hundred Talents Program ; Chinese Academy of Sciences Pioneer Hundred Talents Program ; CIFAR Azrieli Global Scholarship ; CIFAR Azrieli Global Scholarship ; Universitat Bern ; Universitat Bern ; NSERC Discovery Grant ; NSERC Discovery Grant ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences Pioneer Hundred Talents Program ; Chinese Academy of Sciences Pioneer Hundred Talents Program ; CIFAR Azrieli Global Scholarship ; CIFAR Azrieli Global Scholarship ; Universitat Bern ; Universitat Bern
源URL[http://ir.iggcas.ac.cn/handle/132A11/111218]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Chen, Junxing
作者单位1.Peking Univ, MOE, Key Lab Orogen Belt & Crustal Evolut, Beijing 100871, Peoples R China
2.Univ Bern, Ctr Space & Habitabil, CH-3012 Bern, Switzerland
3.Univ Toronto, Dept Earth Sci, Toronto, ON M5S 3B1, Canada
4.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
5.Peking Univ, Sch Earth & Space Sci, Beijing 100871, Peoples R China
6.Univ Sci & Technol China, Sch Earth & Space Sci, Deep Space Explorat Lab, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Peoples R China
推荐引用方式
GB/T 7714		 Chen, Junxing,Jiang, Hehe,Tang, Ming,et al. Venus' light slab hinders its development of planetary-scale subduction[J]. NATURE COMMUNICATIONS,2022,13(1):9.
APA Chen, Junxing,Jiang, Hehe,Tang, Ming,Hao, Jihua,Tian, Meng,&Chu, Xu.(2022).Venus' light slab hinders its development of planetary-scale subduction.NATURE COMMUNICATIONS,13(1),9.
MLA Chen, Junxing,et al."Venus' light slab hinders its development of planetary-scale subduction".NATURE COMMUNICATIONS 13.1(2022):9.

入库方式： OAI收割

来源：地质与地球物理研究所

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