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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.
Mysteries of the Great Unconformity, a journey in deep geologic time by Michael Timmons, New Mexico Bureau of Geology and Mineral Resources. 'Earth Matters' https://geoinfo.nmt.edu/publications/periodicals/earthmatters/17/n1/em_v17_n1.pdf Joel, L. (2018), Erasing a billion years of geologic time across the globe, Eos, 99, https://doi.org/10.1029/2018EO092065. Published on 05 February 2018. https://eos.org/articles/erasing-a-billion-years-of-geologic-time-across-the-globe Yours, Paul H.