{"refrec":{"BRefID":335077,"RR":"<b>Pasquier, V.; Bryant, R.N.; Fike, D.A.; Halevy, I.</b> (2021). Strong local, not global, controls on marine pyrite sulfur isotopes. <i>Science Advances 7(9)</i>: eabb7403. <a href=\"https://dx.doi.org/10.1126/sciadv.abb7403\" target=\"_blank\">https://dx.doi.org/10.1126/sciadv.abb7403</a>","BEntID":331635,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Science Advances 7(9)</i>: eabb7403. <a href=\"https://dx.doi.org/10.1126/sciadv.abb7403\" target=\"_blank\">https://dx.doi.org/10.1126/sciadv.abb7403</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Pasquier, V.; Bryant, R.N.; Fike, D.A.; Halevy, I.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Pasquier, V. <i>et al.</i>","Englishabstract":"Understanding variation in the sulfur isotopic composition of sedimentary pyrite (δ<sup>34</sup>S<sub>pyr</sub>) is motivated by the key role of sulfur biogeochemistry in regulating Earth’s surface oxidation state. Until recently, the impact of local depositional conditions on δ<sup>34</sup>S<sub>pyr</sub> has remained underappreciated, and stratigraphic variations in δ<sup>34</sup>S<sub>pyr</sub> were interpreted mostly to reflect global changes in biogeochemical cycling. We present two coeval δ<sup>34</sup>S<sub>pyr</sub> records from shelf and basin settings in a single sedimentary system. Despite their proximity and contemporaneous deposition, these two records preserve radically different geochemical signals. Swings of ~65‰ in shelf δ<sup>34</sup>S<sub>pyr</sub> track short-term variations in local sedimentation and are completely absent from the abyssal record. In contrast, a long-term ~30‰ decrease in abyssal δ<sup>34</sup>S<sub>pyr</sub> reflects regional changes in ocean circulation and/or sustained pyrite formation. These results highlight strong local controls on δ<sup>34</sup>S<sub>pyr</sub>, calling for reevaluation of the current practice of using δ<sup>34</sup>S<sub>pyr</sub> stratigraphic variations to infer global changes in Earth’s surface environment.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Strong local, not global, controls on marine pyrite sulfur isotopes","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2021,"MonPub":null,"DateUpdate":"2021-03-25","DateCreate":"2021-03-25","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000622481300002","VABBcode":null,"OpenAcc":1,"DOI":"10.1126/sciadv.abb7403"},"refs":null,"anarec":{"AnaID":335077,"PubliDate":2021,"Pagination":"eabb7403","XtraPublOfAnaID":null,"ISBN":null,"Volume":"7","Issue":"9","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":248966,"SerRR":"Science Advances. 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