[meteorite-list] Did Asteroid Impacts Start Plate Tectonics?
From: Paul <etchplain_at_meteoritecentral.com>
Date: Tue, 26 Sep 2017 20:51:46 -0500 Message-ID: <0adc8c29-6a33-4d3e-fb29-dad45465d343_at_att.net> Large meteorite impacts drove plate-tectonic processes on the early Earth, PhysOrg, September 26, 2017 https://phys.org/news/2017-09-large-meteorite-impacts-drove-plate-tectonic.html Did meteorites create the Earth?s tectonic plates? Cosmos, September 26, 2017 https://cosmosmagazine.com/geoscience/did-meteorites-create-the-earth-s-tectonic-plates The paper is: O?Neill, C.,? Marchi, S., Zhang, S., and Bottke, W., 2017. Impact-driven subduction on the Hadean Earth Nature Geoscience (2017) doi:10.1038/ngeo3029 Received 12 December 2016 Accepted 22 August 2017 Published online 25 September 2017 http://www.nature.com/ngeo/journal/vaop/ncurrent/full/ngeo3029.html?foxtrotcallback=true Another article is: Australian rocks suggest early Earth may not have had plate tectonics, Cosmos, September 28, 2017 https://cosmosmagazine.com/geoscience/tremors-shake-tectonic-plate-theory Plate Tectonics May Have Begun a Billion Years After Earth's Birth, Live Science, September 21, 2017 https://www.livescience.com/60478-plate-tectonics-gets-new-age.html The paper is: Johnson, T.E., Brown, M., Gardiner, N.J., Kirkland, C.L. and Smithies, R.H., 2017. Earth?s first stable continents did not form by subduction. Nature, 543(7644), pp.239-242. https://www.nature.com/nature/journal/v543/n7644/abs/nature21383.html Yours, Paul H. Received on Tue 26 Sep 2017 09:51:46 PM PDT |
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