Sentences with phrase «subduct carbonate»

The CO2 tectonic source grew from 60 to 50 Myr BP as India subducted carbonate - rich ocean crust while moving through the present Indian Ocean prior to its collision with Asia about 50 Myr BP [8], causing atmospheric CO2 to reach levels of the order of 1000 ppm at 50 Myr BP [9].

Specifically, during the period 60 My BP (60 million years before present) to 50 My BP India was plowing north rapidly (20 cm per year) through the Tethys Ocean and in the process subducting carbonate - rich ocean crust, causing atmospheric CO2 to increase.

Not exact matches

As long as rapid continental weathering continued, carbonate was deposited on the oceanic crust and subducted into what Lowe calls «a big storage facility... that kept most of the carbon dioxide out of the atmosphere.»

Slowly, the carbonate rocks will be eroded and carried by rivers to the oceans, deposited to the ocean floor and, eventually, subducted along the oceanic / continental plate boundaries.