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10.1038/ncomms15597 http://scihub22266oqcxt.onion/10.1038/ncomms15597 C5477514!5477514!28548083     free     free     free Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\28548083.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117       Nat+Commun 2017 ; 8 (ä): ä Nephropedia Template TP {{tp|p=28548083|t=2017. Atomic-scale age resolution of planetary events |pdf=|usr=}}{{28548083}} gab.com Text Atomic-scale age resolution of planetary events JO: Nat Commun http://www.kidney.de/pget.php?&tw=1&pmid=28548083 #FOAvip Resolving the timing of crustal processes and meteorite impact events is central to understanding the formation, evolution and habitability of planetary bodies. However, identifying multi-stage events from complex planetary materials is highly challenging at the length scales of current isotopic techniques. Here we show that accurate U-Pb isotopic analysis of nanoscale domains of baddeleyite can be achieved by atom probe tomography. Within individual crystals of highly shocked baddeleyite from the Sudbury impact structure, three discrete nanostructural domains have been isolated yielding average 206Pb/238U ages of 2,436±94?Ma (protolith crystallization) from homogenous-Fe domains, 1,852±45?Ma (impact) from clustered-Fe domains and 1,412±56?Ma (tectonic metamorphism) from planar and subgrain boundary structures. Baddeleyite is a common phase in terrestrial, Martian, Lunar and asteroidal materials, meaning this atomic-scale approach holds great potential in establishing a more accurate chronology of the formation and evolution of planetary crusts. Twit Text FOAVip Atomic-scale age resolution of planetary events ????Nat Commun http://www.kidney.de/pget.php?&tw=1&pmid=28548083 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=28548083 #FOAvip English Wikipedia <ref>{{Cite pmid|28548083}}</ref> Atomic-scale age resolution of planetary events #MMPMID28548083 White LF; Darling JR; Moser DE; Reinhard DA; Prosa TJ; Bullen D; Olson D; Larson DJ; Lawrence D; Martin I Nat Commun 2017[]; 8 (ä): ä PMID28548083show ga Resolving the timing of crustal processes and meteorite impact events is central to understanding the formation, evolution and habitability of planetary bodies. However, identifying multi-stage events from complex planetary materials is highly challenging at the length scales of current isotopic techniques. Here we show that accurate U-Pb isotopic analysis of nanoscale domains of baddeleyite can be achieved by atom probe tomography. Within individual crystals of highly shocked baddeleyite from the Sudbury impact structure, three discrete nanostructural domains have been isolated yielding average 206Pb/238U ages of 2,436±94?Ma (protolith crystallization) from homogenous-Fe domains, 1,852±45?Ma (impact) from clustered-Fe domains and 1,412±56?Ma (tectonic metamorphism) from planar and subgrain boundary structures. Baddeleyite is a common phase in terrestrial, Martian, Lunar and asteroidal materials, meaning this atomic-scale approach holds great potential in establishing a more accurate chronology of the formation and evolution of planetary crusts. äAtomic-scale age resolution of planetary events (epmc).pdf DeepDyve Pubget Overpricing