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Found 4 results

  1. Oxytropidoceras
    Asteroid 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.
  2. doushantuo
    Zumbergloverohrsreetalproxyporifer.2018online.pdf Demosponge steroid biomarker 26-methylstigmastane provides evidence for Neoproterozoic animals J. Alex Zumberge, Gordon D. Love, Paco Cárdenas , Erik A. Sperling, Sunithi Gunasekera, Megan Rohrssen, Emmanuelle Grosjean, John P. Grotzinger and Roger E. Summons Nature Ecology & Evolution 10.1038/s41559-018-0676 inherently interesting..
  3. Oxytropidoceras
    Belo 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.
  4. Oxytropidoceras
    Extreme 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.
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