Geophysics

Setting the table for a new plate

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Science  08 Jan 2016:
Vol. 351, Issue 6269, pp. 135-136
DOI: 10.1126/science.351.6269.135-c

A new and surprising discovery on the floor of the Indian Ocean could help determine the age of the Himalayan Mountains. Matthews et al. suggest that the India-Eurasia collision responsible for the great mountain range also explains an unexpected extinct tectonic plate. The formation of a previously unknown “Mammericx Microplate” was created at the beginning of plate convergence. The microplate is about 50 million years old, providing an independent estimate for the continent-continent collision.

Earth Planet. Sci. Lett. 10.1016/j.epsl.2015.10.040 (2015).

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