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Showing results for tags 'great unconformity'.
Oxytropidoceras posted a topic in Fossil NewsThe strange race to track down a missing billion years Zaria Gorvett, BBC News, September 1, 2021 A billion years have vanished from the geological record – and over 152 years after this was first discovered, scientists can't agree on why. Some papers: Peters, S.E. and Gaines, R.R., 2012. Formation of the ‘Great Unconformity’as a trigger for the Cambrian explosion. Nature, 484(7394), pp.363-366. Keller, C.B., Husson, J.M., Mitchell, R.N., Bottke, W.F., Gernon, T.M., Boehnke, P., Bell, E.A., Swanson-Hysell, N.L. and Peters,
Oxytropidoceras posted a topic in Fossils On The WebThe Great Unconformity and Tales from Arizona Field Trips A Virtual Fireside Chat with Professor Steve Marshak University of Illinois, Champaign-Urbana, October 29, 2020 More University of Illinois, Champaign-Urbana talks, 2020 Yours, Paul H.
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 N
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.