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10.1038/s41467-018-05194-5 http://scihub22266oqcxt.onion/10.1038/s41467-018-05194-5 C6045636!6045636!30006629     free     free     free       Nat+Commun 2018 ; 9 (ä): ä Nephropedia Template TP {{tp|p=30006629|t=2018. Strong plates enhance mantle mixing in early Earth |pdf=|usr=}}{{30006629}} gab.com Text Strong plates enhance mantle mixing in early Earth JO: Nat Commun http://www.kidney.de/pget.php?&tw=1&pmid=30006629 #FOAvip In the present-day Earth, some subducting plates (slabs) are flattening above the upper?lower mantle boundary at ~670?km depth, whereas others go through, indicating a mode between layered and whole-mantle convection. Previous models predicted that in a few hundred degree hotter early Earth, convection was likely more layered due to dominant slab stagnation. In self-consistent numerical models where slabs have a plate-like rheology, strong slabs and mobile plate boundaries favour stagnation for old and penetration for young slabs, as observed today. Here we show that such models predict slabs would have penetrated into the lower mantle more easily in a hotter Earth, when a weaker asthenosphere and decreased plate density and strength resulted in subduction almost without trench retreat. Thus, heat and material transport in the Earth?s mantle was more (rather than less) efficient in the past, which better matches the thermal evolution of the Earth. Twit Text FOAVip Strong plates enhance mantle mixing in early Earth ????Nat Commun http://www.kidney.de/pget.php?&tw=1&pmid=30006629 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=30006629 #FOAvip English Wikipedia <ref>{{Cite pmid|30006629}}</ref> Strong plates enhance mantle mixing in early Earth #MMPMID30006629 Agrusta R; van Hunen J; Goes S Nat Commun 2018[]; 9 (ä): ä PMID30006629show ga In the present-day Earth, some subducting plates (slabs) are flattening above the upper?lower mantle boundary at ~670?km depth, whereas others go through, indicating a mode between layered and whole-mantle convection. Previous models predicted that in a few hundred degree hotter early Earth, convection was likely more layered due to dominant slab stagnation. In self-consistent numerical models where slabs have a plate-like rheology, strong slabs and mobile plate boundaries favour stagnation for old and penetration for young slabs, as observed today. Here we show that such models predict slabs would have penetrated into the lower mantle more easily in a hotter Earth, when a weaker asthenosphere and decreased plate density and strength resulted in subduction almost without trench retreat. Thus, heat and material transport in the Earth?s mantle was more (rather than less) efficient in the past, which better matches the thermal evolution of the Earth. äStrong plates enhance mantle mixing in early Earth (epmc).pdf DeepDyve Pubget Overpricing