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Showing results for tags 'cryogenian'.
Oxytropidoceras posted a topic in Fossil NewsThe comprehensive, open access review paper is: Slater, B.J. and Bohlin, M.S., 2022. Animal origins: The record from organic microfossils. Earth-Science Reviews, 232, no. 104107. open access review paper A related video. Possible sponge fossils in the Tonian of northwestern Canada, Elizabeth Turner, Laurentian University, Virtual Seminars in Precambrian Geology Turner's open access paper is: Turner, E.C., 2021. Possible poriferan body fossils in early Neoproterozoic microbial reefs. Nature, 596(7870), pp.87-91.
Oxytropidoceras posted a topic in Fossil NewsAsteroid shower rained space rocks on Earth and the moon 800 million years ago By Charles Q. Choi, SpaceCom, July 21, 2020 Asteroid shower on the Earth-Moon system 800 million years ago revealed by lunar craters by Osaka University, PhysOrg, July 21, 2020 The open access paper is: Terada, K., Morota, T. & Kato, M. Asteroid shower on the Earth-Moon system immediately before the Cryogenian period revealed by KAGUYA. Nature Communications (2020). DOI: 10.1038/s41467-020-17115-6 Yours, Paul H.
Oxytropidoceras posted a topic in Fossil NewsBelo are a great series of lectures (2016) that summarizes what is known and unknown about the Cryogenian. Earth Dynamics Research Group CCFS sponsored short course on Snowball Earth https://www.youtube.com/playlist?list=PLb5FFe99h_Lg_t5_67MG1OIKMjOPqFS4n Snowball Earth Lecture 1 - Snowball geology Earth Dynamics Research Group https://www.youtube.com/watch?v=RxFmcgjXtgI&t=0s&list=PLb5FFe99h_Lg_t5_67MG1OIKMjOPqFS4n&index=2 Snowball Earth Lecture 2 - Snowball climate dynamics Earth Dynamics Research Group https://www.
Oxytropidoceras posted a topic in Fossil NewsExtreme Climate Change Linked to Early Animal Evolution, Sept. 26, 2012, http://www.scienceda...20926161722.htm Sahoo, S. K., N. J. Planavsky, B. Kendall, X. Wang, X. Shi, C. Scott, A. D. Anbar, T. W. Lyons, and G. Jiang. Ocean oxygenation in the wake of the Marinoan glaciation. Nature. vol. 489, no. 7417, pp. 546–549. 546 DOI: 10.1038/nature11445, http://www.nature.co...ature11445.html Best wishes, Paul H.