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Seafloor data point to global volcanism after Chicxulub meteor strike

A record of volcanism preserved along ancient mid-ocean ridges provides evidence for heightened worldwide magmatic activity 66 million years ago just after the Chicxulub meteor struck Earth, according to University of Oregon scientists.

Coloured and black points mark the global distribution of mid-ocean ridges, with ages of 66 million years ago
created at spreading rates above and below 35 millimeters a year, respectively. Colours…

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via The Archaeology News Network, http://archaeologynewsnetwork.blogspot.com/2018/02/seafloor-data-point-to-global-volcanism.html

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