Sentences with phrase «volcanism under»

The first physical evidence of subglacial volcanism under the West Antarctic Ice Sheet Scientific Reports

Since it is well encased in Ice, I do not think that currents of warm water coing from the Atlantic could be to blame, but perhaps the Volcanism under the North Pole is more active than usual.

Not exact matches

One under Réunion Island in the Indian Ocean is thought to have triggered massive volcanism, spewing lava across 580,000 square miles (1.5 million square km) at the Deccan Plateau region of what is now India about 65 million years ago, coinciding with the end of the Age of Dinosaurs.

Massive extinctions occur more often under cool environmental conditions or when clades are submitted to extreme stress by natural catastrophes; for example, intense volcanism, glaciations, epidemics, etc..

Water that travels past under - sea volcanism will dissolve sulphur ions which reduce its pH. This low pH water will reach the ocean surface centuries later and thus will reduce the pH of the surface layer with resulting increase to atmospheric CO2 concentration.

The last major period of non-induction zone volcanic excitation was around 3 my and in some cases laster until relatively recently (eastern California and Northern Arizona) 85 % of volcanism takes place under the ocean surface and remains hidden from view.