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Oxytropidoceras posted a topic in Fossil NewsResearchers suggest missing crust layer can be blamed on 'Snowball Earth' January 3, 2019 by Bob Yirka, Phys.org https://phys.org/news/2019-01-crust-layer-blamed-snowball-earth.html Around the world, miles of rock are missing. Could ‘Snowball Earth’ be the culprit? by Julian Rosen, Los Angeles Times, January 3, 2019 https://www.latimes.com/science/sciencenow/la-sci-sn-snowball-earth-geology-20190103-story.html the paper is: C. Brenhin Keller et al. Neoproterozoic glacial origin of the Great Unconformity, Proceedings of the National Academy of Sciences (2019). DOI: 10.1073/pnas.1804350116 https://www.pnas.org/content/early/2018/12/26/1804350116 Yours, Paul H.
Kornei, K. (2018), Tiny algae may have prompted a mass extinction, Eos, 99, https://doi.org/10.1029/2018EO102539. Published on 11 July 2018. https://eos.org/articles/tiny-algae-may-have-prompted-a-mass-extinction https://eos.org/wp-content/uploads/2018/08/eos0918.pdf?x69145 https://eos.org/current-issues The paper is; Shen, J., Pearson, A., Henkes, G.A., Zhang, Y.G., Chen, K., Li, D., Wankel, S.D., Finney, S.C. and Shen, Y., 2018. Improved efficiency of the biological pump as a trigger for the Late Ordovician glaciation. Nature Geoscience, 11(7), p.510. https://www.nature.com/articles/s41561-018-0141-5 Yours, Paul H.
Feulner, G., 2017. Formation of most of our coal brought Earth close to global glaciation. Proceedings of the National Academy of Sciences, 114(43), pp. 11333-11337. Abstract: http://www.pnas.org/content/114/43/11333.short https://www.ncbi.nlm.nih.gov/pubmed/29073052 Paper: https://pdfs.semanticscholar.org/0b23/8273be5a2b4f06d7fb1e5932b45f731944be.pdf Yours, Paul H.