Did Asteroid Impacts Start Plate Tectonics?
Large meteorite impacts drove plate-tectonic processes
on the early Earth, PhysOrg, September 26, 2017
Did meteorites create the Earth’s tectonic plates?
Cosmos, September 26, 2017
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
Another article is:
Australian rocks suggest early Earth may not have
had plate tectonics, Cosmos, September 28, 2017
Plate Tectonics May Have Begun a Billion Years
After Earth's Birth, Live Science, September 21, 2017
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.
Yours,
Paul H.
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