Duda, Jan-Peter

[["dc.bibliographiccitation.firstpage","1535"],["dc.bibliographiccitation.issue","5"],["dc.bibliographiccitation.journal","Biogeosciences"],["dc.bibliographiccitation.lastpage","1548"],["dc.bibliographiccitation.volume","15"],["dc.contributor.author","Duda, Jan-Peter"],["dc.contributor.author","Thiel, Volker"],["dc.contributor.author","Bauersachs, Thorsten"],["dc.contributor.author","Mißbach, Helge"],["dc.contributor.author","Reinhardt, Manuel"],["dc.contributor.author","Schäfer, Nadine"],["dc.contributor.author","Van Kranendonk, Martin J."],["dc.contributor.author","Reitner, Joachim"],["dc.date.accessioned","2019-07-09T11:45:21Z"],["dc.date.available","2019-07-09T11:45:21Z"],["dc.date.issued","2018"],["dc.description.abstract","Archaean hydrothermal chert veins commonly contain abundant organic carbon of uncertain origin (abiotic vs. biotic). In this study, we analysed kerogen contained in a hydrothermal chert vein from the ca. 3.5 Ga Dresser Formation (Pilbara Craton, Western Australia). Catalytic hydropyrolysis (HyPy) of this kerogen yielded n-alkanes up to n-C22, with a sharp decrease in abundance beyond n-C18. This distribution ( n-C18) is very similar to that observed in HyPy products of recent bacterial biomass, which was used as reference material, whereas it differs markedly from the unimodal distribution of abiotic compounds experimentally formed via Fischer–Tropsch-type synthesis. We therefore propose that the organic matter in the Archaean chert veins has a primarily microbial origin. The microbially derived organic matter accumulated in anoxic aquatic (surface and/or subsurface) environments and was then assimilated, redistributed and sequestered by the hydrothermal fluids (“hydrothermal pump hypothesis”)"],["dc.identifier.doi","10.5194/bg-15-1535-2018"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/15113"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/59212"],["dc.language.iso","en"],["dc.relation.issn","1726-4189"],["dc.relation.orgunit","Abteilung Geobiologie"],["dc.subject.ddc","550"],["dc.title","Ideas and perspectives: hydrothermally driven redistribution and sequestration of early Archaean biomass – the “hydrothermal pump hypothesis”"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","e0147629"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","PLoS ONE"],["dc.bibliographiccitation.volume","11"],["dc.contributor.author","Duda, Jan-Peter"],["dc.contributor.author","Van Kranendonk, Martin J."],["dc.contributor.author","Thiel, Volker"],["dc.contributor.author","Ionescu, Danny"],["dc.contributor.author","Strauss, Harald"],["dc.contributor.author","Schaefer, Nadine"],["dc.contributor.author","Reitner, Joachim"],["dc.date.accessioned","2018-11-07T10:19:12Z"],["dc.date.available","2018-11-07T10:19:12Z"],["dc.date.issued","2016"],["dc.description.abstract","Paleoarchean rocks from the Pilbara Craton of Western Australia provide a variety of clues to the existence of early life on Earth, such as stromatolites, putative microfossils and geo-chemical signatures of microbial activity. However, some of these features have also been explained by non-biological processes. Further lines of evidence are therefore required to convincingly argue for the presence of microbial life. Here we describe a new type of microbial mat facies from the 3.4 Ga Strelley Pool Formation, which directly overlies well known stromatolitic carbonates from the same formation. This microbial mat facies consists of laminated, very fine-grained black cherts with discontinuous white quartz layers and lenses, and contains small domical stromatolites and wind-blown crescentic ripples. Light-and cathodoluminescence microscopy, Raman spectroscopy, and time of flight-secondary ion mass spectrometry (ToF-SIMS) reveal a spatial association of carbonates, organic material, and highly abundant framboidal pyrite within the black cherts. Nano secondary ion mass spectrometry (NanoSIMS) confirmed the presence of distinct spheroidal carbonate bodies up to several tens of mu m that are surrounded by organic material and pyrite. These aggregates are interpreted as biogenic. Comparison with Phanerozoic analogues indicates that the facies represents microbial mats formed in a shallow marine environment. Carbonate precipitation and silicification by hydrothermal fluids occurred during sedimentation and earliest diagenesis. The deciphered environment, as well as the delta C-13 signature of bulk organic matter (-35.3 parts per thousand), are in accord with the presence of photoautotrophs. At the same time, highly abundant framboidal pyrite exhibits a sulfur isotopic signature (delta S-34 = +3.05 parts per thousand;Delta S-33 = 0.268 parts per thousand; and Delta S-36 = -0.282 parts per thousand) that is consistent with microbial sulfate reduction. Taken together, our results strongly support a microbial mat origin of the black chert facies, thus providing another line of evidence for life in the 3.4 Ga Strelley Pool Formation."],["dc.description.sponsorship","Open-Access Publikationsfonds 2016"],["dc.identifier.doi","10.1371/journal.pone.0147629"],["dc.identifier.isi","000369527800155"],["dc.identifier.pmid","26807732"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/12848"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/41616"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation.issn","1932-6203"],["dc.relation.orgunit","Fakultät für Geowissenschaften und Geographie"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0/"],["dc.title","A Rare Glimpse of Paleoarchean Life: Geobiology of an Exceptionally Preserved Microbial Mat Facies from the 3.4 Ga Strelley Pool Formation, Western Australia"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.journal","The Depositional Record"],["dc.contributor.author","Runge, Eric A."],["dc.contributor.author","Duda, Jan-Peter"],["dc.contributor.author","Van Kranendonk, Martin J."],["dc.contributor.author","Reitner, Joachim"],["dc.date.accessioned","2022-04-01T10:02:11Z"],["dc.date.available","2022-04-01T10:02:11Z"],["dc.date.issued","2022"],["dc.description.abstract","Dynamic sedimentary processes are a key parameter for establishing the habitability of planetary surface environments on Earth and beyond and thus critical for reconstructing the early evolution of life on our planet. This paper presents a sedimentary section from the ca 3.48 Ga Dresser Formation (Pilbara Craton, Western Australia) that contains high-energy reworked sediments, possibly representing the oldest reported tsunami deposit on Earth to date. Field and petrographic evidence (e.g. up to 20 cm large imbricated clasts, hummocky bedding, Bouma-type graded sequences) indicate that the high-energy deposit represents a bi-directional succession of two debrite–turbidite couplets. This succession can best be explained by deposition related to passage and rebound of tsunami waves. Sedimentary processes were possibly influenced by highly dense silica-rich seawater. The tsunami was probably triggered by local fault-induced seismic activity since the Dresser Formation was deposited in a volcanic caldera basin that experienced syndepositional extensional growth faulting. However, alternative triggers (meteorite impact, volcanic eruption) or a combination thereof cannot be excluded. The results of this work indicate a subaquatic habitat that was subject to tsunami-induced high-energy disturbance. Potentially, this was a common situation on the early Archaean Earth, which experienced frequent impacts of extraterrestrial bodies. This study thus adds to the scarce record of early Archaean high-energy deposits and stresses the relevance of high-energy depositional events for the early evolution of life on Earth."],["dc.identifier.doi","10.1002/dep2.175"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/105845"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-530"],["dc.relation.issn","2055-4877"],["dc.relation.orgunit","Abteilung Geobiologie"],["dc.relation.orgunit","Geowissenschaftliches Zentrum"],["dc.rights","CC BY 4.0"],["dc.title","Earth’s oldest tsunami deposit? Early Archaean high‐energy sediments in the ca 3.48 Ga Dresser Formation (Pilbara, Western Australia)"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]