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Showing results for tags 'permian mass extinction'.
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Ichthyosaur Origin Might Predate Permian-Triassic Extinction Event
Oxytropidoceras posted a topic in Fossil News
Oldest 'fish-lizard' fossils ever found suggests these sea monsters survived the 'Great Dying' By Harry Baker, LIveScience, March 18, 2023 The fossilized remains of an ichthyosaur dating back to shortly after the Permian mass extinction suggest that the ancient sea monsters emerged before the catastrophic event Oldest sea reptile from Age of Dinosaurs found on Arctic island Uppsla University, March 13, 2023 The paper is: Kear, B.P., Engelschiøn, V.S., Hammer, Ø., Roberts, A.J. & Hurum, J.H., 2023: Earliest Triassic ichthyosaur fossils push-
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New insight into the Great Dying, Permian mass extinction
Oxytropidoceras posted a topic in Fossil News
New insight into the Great Dying, University of Leeds, June 11, 2020 https://phys.org/news/2020-06-insight-great-dying.html The open access paper is: Jacopo Dal Corso, Benjamin J. W. Mills, Daoliang Chu, Robert J. Newton, Tamsin A. Mather, Wenchao Shu, Yuyang Wu, Jinnan Tong, and Paul B. Wignall (2020) Permo-Triassic boundary carbon and mercury cycling linked to terrestrial ecosystem collapse. Nature Communications 11, Article number: 2962 doi: https://doi.org/10.1038/s41467-020-16725-4 https://www.nature.com/articles/s41467-02- 2 replies
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Permian coal-burning by Siberian Traps in Siberia led to climate change
Oxytropidoceras posted a topic in Fossil News
Coal-burning in Siberia led to climate change 250 million years ago, Arizona State University https://asunow.asu.edu/20200615-coal-burning-siberia-led-climate-change-250-million-years-ago Elkins-Tanton, L.T., Grasby, S.E., Black, B.A., Veselovskiy, R.V., Ardakani, O.H. and Goodarzi, F., 2020. Field evidence for coal combustion links the 252 Ma Siberian Traps with global carbon disruption. Geology, 48. (open access) https://pubs.geoscienceworld.org/gsa/geology/article/doi/10.1130/G47365.1/587319/Field-evidence-for-coal-combustion-links-the-252-
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Siberian gas venting and the end-Permian environmental crisis
Oxytropidoceras posted a topic in Fossil News
Below is an interesting paper, with PDF files online, about the role of contact metamorphism of evaporites and organic rich strata by the Siberian Traps and the end-Permian extinctions. Svensen, H., Planke, S., Polozov, A.G., Schmidbauer, N., Corfu, F., Podladchikov, Y.Y. and Jamtveit, B., 2009. Siberian gas venting and the end-Permian environmental crisis. Earth and Planetary Science Letters, 277(3-4), pp.490-500. http://folk.uio.no/hensven/Svensen_EPSL_2009.pdf https://henriksvensen.wordpress.com/publicationspapers/ https://h- 1 reply
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More Evidence for volcanism as cause of Permian mass extinction
Oxytropidoceras posted a topic in Fossil News
New evidence suggests volcanoes caused biggest mass extinction ever Mercury found in ancient rock around the world supports theory that eruptions caused 'Great Dying' 252 million years ago. University of Cincinnati, Science Daily, April 15, 2019 https://www.sciencedaily.com/releases/2019/04/190415122249.htm The open access paper is: Jun Shen, Jiubin Chen, Thomas J. Algeo, Shengliu Yuan, Qinglai Feng, Jianxin Yu, Lian Zhou, Brennan O’Connell, Noah J. Planavsky. Evidence for a prolonged Permian–Triassic extinction interval from global mar-
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Was the Falkland Islands region hit by a giant asteroid?
Oxytropidoceras posted a topic in Fossil News
Stone, P. and McCarthy, D., 2018. Were the Falkland Islands hit by a giant asteroid 250 million years ago?. Falkland Islands Journal, 11(2), pp.42-54. http://nora.nerc.ac.uk/id/eprint/521520/ http://nora.nerc.ac.uk/id/eprint/521520/1/STONE AND MCCARTHY FIJ 2018pp 42-54.pdf Yours, Paul H.- 1 reply
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