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DOI | 10.1038/s41467-020-15904-7 |
Evidence for a serpentinized plate interface favouring continental subduction | |
Zhao, Liang1; Malusa, Marco G.2,3; Yuan, Huaiyu4,5,6; Paul, Anne7; Guillot, Stephane7; Lu, Yang7; Stehly, Laurent7; Solarino, Stefano3; Eva, Elena3; Lu, Gang1; Bodin, Thomas8 | |
2020-05-01 | |
发表期刊 | NATURE COMMUNICATIONS |
ISSN | 2041-1723 |
出版年 | 2020 |
卷号 | 11期号:1 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; Italy; Australia; France |
英文摘要 | The dynamics of continental subduction is largely controlled by the rheological properties of rocks involved along the subduction channel. Serpentinites have low viscosity at geological strain rates. However, compelling geophysical evidence of a serpentinite channel during continental subduction is still lacking. Here we show that anomalously low shear-wave seismic velocities are found beneath the Western Alps, along the plate interface between the European slab and the overlying Adriatic mantle. We propose that these seismic velocities indicate the stacked remnants of a weak fossilised serpentinite channel, which includes both slivers of abyssal serpentinite formed at the ocean floor and mantle-wedge serpentinite formed by fluid release from the subducting slab. Our results suggest that this serpentinized plate interface may have favoured the subduction of continental crust into the upper mantle and the formation/exhumation of ultra-high pressure metamorphic rocks, providing new constraints to develop the conceptual and quantitative understanding of continental-subduction dynamics. The dynamics of continental subduction is largely controlled by the rheological properties of rocks involved along the subduction channel. Here, the authors reveal a prominent, yet previously undetected, low-velocity body beneath the Western Alps, along the plate interface between the European slab and the overlying Adriatic mantle, which they interpret as a serpentinite layer. |
领域 | 地球科学 ; 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000531425900013 |
WOS关键词 | WESTERN ALPS ; SEISMIC ANISOTROPY ; TRANSDIMENSIONAL INVERSION ; VELOCITY STRUCTURE ; METAMORPHIC ROCKS ; VOLTRI-MASSIF ; UPPER-MANTLE ; EXHUMATION ; MODEL ; CRUST |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/249469 |
专题 | 资源环境科学 |
作者单位 | 1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China; 2.Univ Milano Bicocca, Dept Earth & Environm Sci, Milan, Italy; 3.Ist Nazl Geofis & Vulcanol, ONT, Genoa, Italy; 4.Macquarie Univ, ARC Ctr Excellence Core Crust Fluids Syst, Dept Earth & Environm Sci, N Ryde, Australia; 5.Univ Western Australia, Ctr Explorat Targeting, Perth, WA, Australia; 6.Geol Survey Western Australia, Perth, WA, Australia; 7.Univ Grenoble Alpes, Univ Savoie Mt Blanc, IRD, IFSTTAR,ISTerre,CNRS, F-38000 Grenoble, France; 8.Univ Lyon 1, CNRS, Ens Lyon, Univ Lyon,UMR LGL TPE 5276, F-69622 Villeurbanne, France |
推荐引用方式 GB/T 7714 | Zhao, Liang,Malusa, Marco G.,Yuan, Huaiyu,et al. Evidence for a serpentinized plate interface favouring continental subduction[J]. NATURE COMMUNICATIONS,2020,11(1). |
APA | Zhao, Liang.,Malusa, Marco G..,Yuan, Huaiyu.,Paul, Anne.,Guillot, Stephane.,...&Bodin, Thomas.(2020).Evidence for a serpentinized plate interface favouring continental subduction.NATURE COMMUNICATIONS,11(1). |
MLA | Zhao, Liang,et al."Evidence for a serpentinized plate interface favouring continental subduction".NATURE COMMUNICATIONS 11.1(2020). |
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