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Pierre-Yves Collin
Researcher at University of Burgundy
Publications - 44
Citations - 1585
Pierre-Yves Collin is an academic researcher from University of Burgundy. The author has contributed to research in topics: Extinction event & Permian. The author has an hindex of 24, co-authored 44 publications receiving 1425 citations. Previous affiliations of Pierre-Yves Collin include Indiana Statewide Testing for Educational Progress-Plus & Pierre-and-Marie-Curie University.
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Journal ArticleDOI
Microbialites and global environmental change across the Permian-Triassic boundary: a synthesis.
Stephen Kershaw,Sylvie Crasquin,Yue Li,Pierre-Yves Collin,Marie-Béatrice Forel,Xinan Mu,Aymon Baud,Yongbiao Wang,Shucheng Xie,Florian Maurer,Li Guo +10 more
TL;DR: Permian-Triassic boundary microbialites were under more complex control than previously portrayed, with local facies control playing a significant role in their structure and composition.
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Earliest Triassic microbialites in the South China block and other areas: controls on their growth and distribution
Steve Kershaw,Yue Li,Sylvie Crasquin-Soleau,Qinglai Feng,Xinan Mu,Pierre-Yves Collin,Alan Reynolds,Li Guo +7 more
TL;DR: Earliest Triassic microbialites (ETMs) and inorganic carbonate crystal fans formed after the end-Permian mass extinction (ca. 251.4 Ma) within the basal Triassic Hindeodus parvus conodont zone as discussed by the authors.
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Milankovitch and sub-Milankovitch forcing of the Oxfordian (Late Jurassic) Terres Noires Formation (SE France) and global implications
Slah Boulila,Bruno Galbrun,Linda A. Hinnov,Pierre-Yves Collin,James G. Ogg,Dominique Fortwengler,Didier Marchand +6 more
Abstract: High‐resolution analysis (2277 samples) of magnetic susceptibility (MS) was performed on ∼700‐m‐thick Early–Middle Oxfordian marine marls of the Terres Noires Formation, SE France. MS variations within these sediments record sub‐Milankovitch to Milankovitch frequencies with long‐term eccentricity (405 kyr and ∼2 Myr) being the most prominent. The 405 kyr cycle was used as a high‐resolution geochronometer for astronomical calibration of this poorly constrained interval of Late Jurassic time. The estimated duration of this Early–Middle Oxfordian interval concurs with the current International Geologic Time Scale GTS2004 (∼4 Myr), but the estimated durations of the corresponding ammonite zones are notably different. The calibration improves the resolution and accuracy of the M‐sequence magnetic anomaly block model that was previously used to establish the Oxfordian time scale. Additionally, the 405 kyr cyclicity is linked to third‐order sea‐level depositional sequences observed for Early–Middle Oxfordian time. Strong ∼2 Myr cycles are consistent with long‐term eccentricity modulation predicted for the Late Jurassic. These cycles do not match second‐order sequences that have been documented for European basins; this raises questions about the definition and hierarchy of depositional sequences in the Mesozoic eustatic chart. Our results require substantial revisions to the chart, which is frequently used as a reference for the correlation of widely separated palaeogeographic domains. Finally, a long‐term trend in the MS data reflects a progressive carbonate enrichment of the marls expressing an Early Oxfordian global cooling followed gradually by a warming in the Middle Oxfordian. This trend also records a major transgressive interval likely peaking at the Transversarium ammonite zone of the Middle Oxfordian.
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In the aftermath of the end-Permian extinction: the microbialite refuge?
TL;DR: The first study of micro-crustaceans (ostracods) associated with microbial crusts in the aftermath of the most devastating extinction, the end-Permian extinction (EPE) is presented in this article.
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Depositional environments and iron ooid formation in condensed sections (Callovian–Oxfordian, south‐eastern Paris basin, France)
TL;DR: In this article, the characteristics of marine condensed sections in the south-eastern part of the Paris Basin (France) and their distribution pattern are examined, and a model of iron ooid formation is developed.