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Showing results for tags 'toarcian oceanic anoxic event'.
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Calcium phosphate preservation of Posidonia Shale (Germany) fossils
Oxytropidoceras posted a topic in Fossil News
‘Golden’ (phosphate) fossils reveal new secrets; provide clues to Jurassic extinction event by: Eric Henrikson, KXAN News, Nexstar Media Inc., Texas, June 14, 2023 The paywalled paper is: Muscente, A.D., Vinnes, O., Sinha, S., Schiffbauer, J.D., Maxwell, E.E., Schweigert, G. and Martindale, R.C., 2023. What role does anoxia play in exceptional fossil preservation? Lessons from the taphonomy of the Posidonia Shale (Germany). Earth-Science Reviews, p.104323. Yours, Paul H.-
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Scientists Uncover New Information Regarding Toarcian (Early Jurassic) Mass extinction
Oxytropidoceras posted a topic in Fossil News
Scientists Uncover New Information Regarding an Ancient Mass Extinction Event Florida state University, SciTechDailey, December 22, 2022 The open access paper is: Them, T.R., Owens, J.D., Marroquín, S.M., Caruthers, A.H., Alexandre, J.T. and Gill, B.C., 2022. Reduced Marine Molybdenum Inventory Related to Enhanced Organic Carbon Burial and an Expansion of Reducing Environments in the Toarcian (Early Jurassic) Oceans. AGU Advances, 3(6), p.e2022AV000671. open access Yours, Paul H. -
Ancient sea creatures spent years crossing the ocean on rafts – we’ve worked out how it was possible. Aaron W. hunter, he Conversation, August 10, 2020 Hunter, A.W., Casenove, D., Mayers, C. and Mitchell, E.G., 2020. Reconstructing the ecology of a Jurassic pseudoplanktonic raft colony. Royal Society Open Science, 7(7), p.200142. Abstract of open access paper PDF of open access paper Yours, Paul H.
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Canadian Fossil Site Reveals Impact of Early Jurassic's Anoxic Oceans
Oxytropidoceras posted a topic in Fossil News
Fossil site shows impact of early Jurassic's low oxygen oceans University at Austin, Austin, Texas https://www.eurekalert.org/pub_releases/2017-07/uota-fss071017.php Rowan C. Martindale and MartinAberhan, 2017, Response of macrobenthic communities to the Toarcian Oceanic Anoxic Event in northeastern Panthalassa (Ya Ha Tinda, Alberta, Canada) Palaeogeography, Palaeoclimatology, Palaeoecology Volume 478, 15 July 2017, Pages 103-120 http://www.sciencedirect.com/science/article/pii/S0031018217300160 Yours, Paul H. -
New Early Jurassic (ca. 183 Ma) Fossil Lagerstätte from Ya Ha Tinda, Alberta, Canada
Oxytropidoceras posted a topic in Fossil News
Exceptionally preserved Jurassic sea life found in new fossil site https://news.utexas.edu/2017/01/25/exceptionally-preserved-jurassic-sea-life-found https://phys.org/news/2017-01-exceptionally-jurassic-sea-life-fossil.html http://www.heritagedaily.com/2017/01/exceptionally-preserved-jurassic-sea-life-found-in-new-fossil-site/113997 https://www.eurekalert.org/pub_releases/2017-01/uota-epj012517.php Martindale, R. C., T. R. Them, B. C. Gill, S. M. Marroquín, and A. H. Knoll, 2017, A new Early Jurassic (ca. 183 Ma) fossil Lagerstätte from Ya Ha Tinda, Alberta, Canada. Geology (2017). DOI: 10.1130/G38808.1 (Open Access paper) http://geology.gsapubs.org/content/early/2017/01/09/G38808.1.abstract http://geology.gsapubs.org/content/early/2017/01/09/G38808.1.full.pdf+html Yours, Paul H.