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Showing results for tags 'playnology'.
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Exploding stars may have caused mass extinction on Earth, study shows, University of Illinois at Urbana-Champaign, August 18, 2020 "Killer cosmic rays from nearby supernovae could be the culprit behind at least one mass extinction event, researchers said, and finding certain radioactive isotopes in Earth's rock record could confirm this scenario." The open access paper is: Brian D. Fields, Adrian L. Melott, John Ellis, Adrienne F. Ertel, Brian J. Fry, Bruce S. Lieberman, Zhenghai Liu, Jesse A. Miller, Brian C. Thomas. Supernova triggers for end-Devonian extinctions. Proceedings of the National Academy of Sciences, 2020; 202013774 Yours Paul H.
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- carboniferous
- devonian
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Digging up bones: Unearthing the past at Gray Fossil Site, Tennessee
Oxytropidoceras posted a topic in Fossil News
Digging up bones: Unearthing the past at Gray Fossil Site Diane Hughes, Explore Tennessee, The Tennessean, Sept. 10, 2018 https://www.tennessean.com/story/exploretennessee/2018/09/10/unearthing-past-gray-fossil-site/1215351002/ Gray Fossil Site http://gfs.visithandson.org https://en.wikipedia.org/wiki/Gray_Fossil_Site Some publications found using Google Scholar are: Gong, F., Karsai, I. and Liu, Y.S.C., 2010. Vitis seeds (Vitaceae) from the late Neogene Gray fossil site, northeastern Tennessee, USA. Review of Palaeobotany and Palynology, 162(1), pp.71-83. https://dc.etsu.edu/cgi/viewcontent.cgi?referer=https://scholar.google.com/scholar?hl=en&as_sdt=0%2C19&q=gray+fossil+site&btnG=&httpsredir=1&article=3171&context=etd http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.1000.9259&rep=rep1&type=pdf Zobaa, M.K., Zavada, M.S., Whitelaw, M.J., Shunk, A.J. and Oboh-Ikuenobe, F.E., 2011. Palynology and palynofacies analyses of the Gray Fossil Site, eastern Tennessee: their role in understanding the basin-fill history. Palaeogeography, Palaeoclimatology, Palaeoecology, 308(3-4), pp.433-444. https://pdfs.semanticscholar.org/3e1a/1ed4b8c0eb716d82dfa966b0f95f03d7d681.pdf https://www.researchgate.net/profile/Mohamed_Zobaa https://www.researchgate.net/profile/Michael_Zavada Worobiec E., Liu Y.-S., Zavada M. S. 2013. Paleoenvironment of the late Neogene lacustrine sediments at the Gray Fossil Site, Tennessee, USA. Annales Societatis Geologorum Poloniae, 83(1): 51–63. https://www.researchgate.net/profile/Michael_Zavada https://www.researchgate.net/publication/258226231_Worobiec_E_Liu_Y-S_Zavada_M_S_2013_Paleoenvironment_of_the_late_Neogene_lacustrine_sediments_at_the_Gray_Fossil_Site_Tennessee_USA_Annales_Societatis_Geologorum_Poloniae_831_51-63 Also, there is this unrelated shor, "fluff" article. How Long Does Something Have to Be In the Ground Before It's Considered a Fossil? http://mentalfloss.com/article/556730/how-long-does-something-have-to-be-in-ground-to-be-a-fossil Yours, Paul H.-
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- gray fossil site
- miocene
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