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Article: Organic matter mineralization in modern and ancient ferruginous sediments

TitleOrganic matter mineralization in modern and ancient ferruginous sediments
Authors
Issue Date2021
PublisherNature Research: Fully open access journals. The Journal's web site is located at http://www.nature.com/ncomms/index.html
Citation
Nature Communications, 2021, v. 12 n. 1, p. article no. 2216 How to Cite?
AbstractDeposition of ferruginous sediment was widespread during the Archaean and Proterozoic Eons, playing an important role in global biogeochemical cycling. Knowledge of organic matter mineralization in such sediment, however, remains mostly conceptual, as modern ferruginous analogs are largely unstudied. Here we show that in sediment of ferruginous Lake Towuti, Indonesia, methanogenesis dominates organic matter mineralization despite highly abundant reactive ferric iron phases like goethite that persist throughout the sediment. Ferric iron can thus be buried over geologic timescales even in the presence of labile organic carbon. Coexistence of ferric iron with millimolar concentrations of methane further demonstrates lack of iron-dependent methane oxidation. With negligible methane oxidation, methane diffuses from the sediment into overlying waters where it can be oxidized with oxygen or escape to the atmosphere. In low-oxygen ferruginous Archaean and Proterozoic oceans, therefore, sedimentary methane production was likely favored with strong potential to influence Earth’s early climate.
Persistent Identifierhttp://hdl.handle.net/10722/304216
ISSN
2020 Impact Factor: 14.919
2020 SCImago Journal Rankings: 5.559
PubMed Central ID
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorFriese, A-
dc.contributor.authorBauer, K-
dc.contributor.authorGlombitza, C-
dc.contributor.authorOrdonez, L-
dc.contributor.authorAriztegui, D-
dc.contributor.authorHeuer, VB-
dc.contributor.authorVuillemin, A-
dc.contributor.authorHenny, C-
dc.contributor.authorNomosatryo, S-
dc.contributor.authorSimister, R-
dc.contributor.authorWagner, D-
dc.contributor.authorBijaksana, S-
dc.contributor.authorVogel, H-
dc.contributor.authorMelles, M-
dc.contributor.authorRussell, JM-
dc.contributor.authorCrowe, SA-
dc.contributor.authorKallmeyer, J-
dc.date.accessioned2021-09-23T08:56:52Z-
dc.date.available2021-09-23T08:56:52Z-
dc.date.issued2021-
dc.identifier.citationNature Communications, 2021, v. 12 n. 1, p. article no. 2216-
dc.identifier.issn2041-1723-
dc.identifier.urihttp://hdl.handle.net/10722/304216-
dc.description.abstractDeposition of ferruginous sediment was widespread during the Archaean and Proterozoic Eons, playing an important role in global biogeochemical cycling. Knowledge of organic matter mineralization in such sediment, however, remains mostly conceptual, as modern ferruginous analogs are largely unstudied. Here we show that in sediment of ferruginous Lake Towuti, Indonesia, methanogenesis dominates organic matter mineralization despite highly abundant reactive ferric iron phases like goethite that persist throughout the sediment. Ferric iron can thus be buried over geologic timescales even in the presence of labile organic carbon. Coexistence of ferric iron with millimolar concentrations of methane further demonstrates lack of iron-dependent methane oxidation. With negligible methane oxidation, methane diffuses from the sediment into overlying waters where it can be oxidized with oxygen or escape to the atmosphere. In low-oxygen ferruginous Archaean and Proterozoic oceans, therefore, sedimentary methane production was likely favored with strong potential to influence Earth’s early climate.-
dc.languageeng-
dc.publisherNature Research: Fully open access journals. The Journal's web site is located at http://www.nature.com/ncomms/index.html-
dc.relation.ispartofNature Communications-
dc.rightsNature Communications. Copyright © Nature Research: Fully open access journals.-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleOrganic matter mineralization in modern and ancient ferruginous sediments-
dc.typeArticle-
dc.identifier.emailBauer, K: bauerkoh@hku.hk-
dc.identifier.authorityCrowe, SA=rp02537-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1038/s41467-021-22453-0-
dc.identifier.pmid33850127-
dc.identifier.pmcidPMC8044167-
dc.identifier.scopuseid_2-s2.0-85104316745-
dc.identifier.hkuros324945-
dc.identifier.volume12-
dc.identifier.issue1-
dc.identifier.spagearticle no. 2216-
dc.identifier.epagearticle no. 2216-
dc.identifier.isiWOS:000640638900006-
dc.publisher.placeUnited Kingdom-

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