{"refrec":{"BRefID":292815,"RR":"<b>Byrnes, J.S.; Karlstrom, L.</b> (2018). Anomalous K-Pg–aged seafloor attributed to impact-induced mid-ocean ridge magmatism. <i>Science Advances 4(2)</i>: eaao2994. <a href=\"https://dx.doi.org/10.1126/sciadv.aao2994\" target=\"_blank\">https://dx.doi.org/10.1126/sciadv.aao2994</a>","BEntID":284868,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Science Advances 4(2)</i>: eaao2994. <a href=\"https://dx.doi.org/10.1126/sciadv.aao2994\" target=\"_blank\">https://dx.doi.org/10.1126/sciadv.aao2994</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Byrnes, J.S.; Karlstrom, L.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Byrnes, J.S.; Karlstrom, L.","Englishabstract":"Eruptive phenomena at all scales, from hydrothermal geysers to flood basalts, can potentially be initiated or modulated by external mechanical perturbations. We present evidence for the triggering of magmatism on a global scale by the Chicxulub meteorite impact at the Cretaceous-Paleogene (K-Pg) boundary, recorded by transiently increased crustal production at mid-ocean ridges. Concentrated positive free-air gravity and coincident seafloor topographic anomalies, associated with seafloor created at fast-spreading rates, suggest volumes of excess magmatism in the range of ~105 to 106 km<sup>3</sup>. Widespread mobilization of existing mantle melt by post-impact seismic radiation can explain the volume and distribution of the anomalous crust. This massive but short-lived pulse of marine magmatism should be considered alongside the Chicxulub impact and Deccan Traps as a contributor to geochemical anomalies and environmental changes at K-Pg time.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Anomalous K-Pg–aged seafloor attributed to impact-induced mid-ocean ridge magmatism","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:01.897972","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2018,"MonPub":null,"DateUpdate":"2018-02-16","DateCreate":"2018-02-16","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000426845500019","VABBcode":null,"OpenAcc":1,"DOI":"10.1126/sciadv.aao2994"},"refs":null,"anarec":{"AnaID":292815,"PubliDate":2018,"Pagination":"eaao2994","XtraPublOfAnaID":null,"ISBN":null,"Volume":"4","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":248966,"SerRR":"Science Advances. 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