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Found 6 results

  1. 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 marine mercury records. Nature Communications, 2019; 10 (1) https://www.nature.com/articles/s41467-019-09620-0 Yours, Paul H.
  2. Here's Why Over 80% of All Life on Earth Was Wiped Out 250 Million Years Ago. A chain reaction of death. https://www.sciencealert.com/end-permian-triassic-extinction-event-volcano-eruption-lithospheric-halogens https://www.sciencedaily.com/releases/2018/08/180827121348.htm https://phys.org/news/2018-08-geologists-uncover-clues-largest-mass.html https://www.eurekalert.org/pub_releases/2018-08/uota-gun082418.php the paper is: Michael W. Broadley, Peter H. Barry, Chris J. Ballentine, Lawrence A. Taylor and Ray Burgess, 2018, End-Permian extinction amplified by plume-induced release of recycled lithospheric volatiles. Nature Geoscience https://www.nature.com/articles/s41561-018-0215-4 Yours, Paul H.
  3. The dinosaur-murdering asteroid maybe also triggered an underwater volcano meltdown. Why pick just one flavor of apocalypse? By Rachel Becker, The Verge, Feb 7, 2018 https://www.theverge.com/2018/2/7/16988112/asteroid-chicxulub-mass-extinction-dinosaurs-underwater-volcanoes-magma Seafloor data point to global volcanism after Chicxulub meteor strike, University of Oregon, February 7, 2018 https://www.eurekalert.org/pub_releases/2018-02/uoo-sdp020518.php https://around.uoregon.edu/content/one-two-punch-may-have-helped-deck-dinosaurs The paper is; Joseph S. Byrnes and Leif Karlstrom, 2018, Anomalous K-Pg–aged seafloor attributed to impact-induced mid-ocean ridge magmatism Science Advances 07 Feb 2018: Vol. 4, no. 2, eaao2994 DOI: 10.1126/sciadv.aao2994 http://advances.sciencemag.org/content/4/2/eaao2994 Yours, Paul H.
  4. Volcanic eruptions triggered dawn of the dinosaurs (Huge pulses of volcanic activity are likely to have played a key role in triggering the end Triassic mass extinction, which set the scene for the rise and age of the dinosaurs, new Oxford University research has found.) http://www.heritagedaily.com/2017/06/volcanic-eruptions-triggered-dawn-dinosaurs/115652 https://www.sciencedaily.com/releases/2017/06/170619151530.htm Dinosaurs got an evolutionary assist from huge volcanic eruptions by Mary Beth Griggs Popular Science http://www.popsci.com/volcanic-eruptions-dinosaur-evolution The paper is: Lawrence M. E. Percival, Micha Ruhl, Stephen P. Hesselbo, Hugh C. Jenkyns, Tamsin A. Mather, and essica H. Whiteside. Mercury evidence for pulsed volcanism during the end-Triassic mass extinction. PNAS, June 2017 DOI: 10.1073/pnas.1705378114 http://www.pnas.org/content/early/2017/06/13/1705378114 Yours, Paul H.
  5. Interesting open access paper on mass extinctions. Jones, D. S., A. M. Martini, D. A. Fike, and K. Kaiho, 2017, A volcanic trigger for the Late Ordovician mass extinction? Mercury data from south China and Laurentia. Geology v. 45; no. 7; p. 631–634 http://geology.geoscienceworld.org.libezp.lib.lsu.edu/content/45/7/631 http://geology.geoscienceworld.org.libezp.lib.lsu.edu/content/45/7 Yours, Paul H.
  6. Fife PHO PHUM

    I posted this because East Kirkton lit. is rare. It is relatively short,and is a careful analysis of the "Faziesverhaltnisse" ,diagenesis and taphonomy of this famous site. Biotic content: amphibia/"tetrapods"/plant taphonomic mode: silicification Significance:"silicification" and "vertebrate" aren't found in the same sentence often Rolfeetal1990.pdf
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