Sentences with phrase «oceanic crust begins»
Not exact matches
It marks the plate boundary between the subducting Nazca plate and the South America plate, where the oceanic crust and lithosphere of the Nazca plate begin their descent into the mantle beneath South America.
https://www.sciencedaily.com/
Five kilometers down is the beginning of a large magma chamber lying partially within old oceanic crust that had been buried by more than 8 km of eruptive rock layers.
Beginning about 50 million years ago (and continuing to the present day), the drift of the continental plates has caused the continents of India and Eurasia to collide, pushing up oceanic crust from the bottom of the sea to form the Himalayan mountain chain and the Tibetian plateau.