{"refrec":{"BRefID":368986,"RR":"<b>Halevy, I.; Fike, D.A.; Pasquier, V.; Bryant, R.N.; Wenk, C.B.; Turchyn, A.V.; Johnston, D.T.; Claypool, G.E.</b> (2023). Sedimentary parameters control the sulfur isotope composition of marine pyrite. <i>Science (Wash.) 382(6673)</i>: 946-951. <a href=\"https://dx.doi.org/10.1126/science.adh1215\" target=\"_blank\">https://dx.doi.org/10.1126/science.adh1215</a>","BEntID":366712,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Science (Wash.) 382(6673)</i>: 946-951. <a href=\"https://dx.doi.org/10.1126/science.adh1215\" target=\"_blank\">https://dx.doi.org/10.1126/science.adh1215</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Halevy, I.; Fike, D.A.; Pasquier, V.; Bryant, R.N.; Wenk, C.B.; Turchyn, A.V.; Johnston, D.T.; Claypool, G.E.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Halevy, I. <i>et al.</i>","Englishabstract":"Reconstructions of coupled carbon, oxygen, and sulfur cycles rely heavily on sedimentary pyrite sulfur isotope compositions (δ<sup>34</sup>S<sub>pyr</sub>). With a model of sediment diagenesis, paired with global datasets of sedimentary parameters, we show that the wide range of δ<sup>34</sup>S<sub>pyr</sub> (~100 per mil) in modern marine sediments arises from geographic patterns in the relative rates of diffusion, burial, and microbial reduction of sulfate. By contrast, the microbial sulfur isotope fractionation remains large and relatively uniform. Over Earth history, the effect of increasing seawater sulfate and oxygen concentrations on sulfate and sulfide transport and reaction may explain the corresponding increase observed in the δ<sup>34</sup>S offset between sulfate and pyrite. More subtle variations may be related to changes in depositional environments associated with sea level fluctuations and supercontinent cycles.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Sedimentary parameters control the sulfur isotope composition of marine pyrite","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-07 01:31:55.948224","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2023,"MonPub":null,"DateUpdate":"2023-11-21","DateCreate":"2023-11-21","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0,"DOI":"10.1126/science.adh1215"},"refs":null,"anarec":{"AnaID":368986,"PubliDate":2023,"Pagination":"946-951","XtraPublOfAnaID":null,"ISBN":null,"Volume":"382","Issue":"6673","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43776,"SerRR":"Science (Washington). 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Deconvolving microbial and environmental controls on marine sedimentary pyrite sulfur isotope ratios. <i>Science (Wash.) 382(6673)</i>: 912-915. <a href=\"https://dx.doi.org/10.1126/science.adg6103\" target=\"_blank\">https://dx.doi.org/10.1126/science.adg6103</a>","RelID":4,"Relation":"Related to","StandardTitle":"Deconvolving microbial and environmental controls on marine sedimentary pyrite sulfur isotope 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