Sentences with phrase «in oceanic sediment»

Not exact matches

At certain subduction zones, such as those in Cascadia, Sumatra and eastern Alaska, a thick sediment layer overlies the subducting oceanic plate.

With the oceanic plate, water enters the earth as it is trapped in minerals of the oceanic crust or overlaying sediments.

Carbonates are important constituents of marine sediments and are heavily involved in the planet's deep carbon cycle, primarily due to oceanic crust sinking into the mantle, a process called subduction.

Substantial and correlated changes in marine carbonate (CaCO3) content of oceanic sediments commonly accompany the transitions from cold glacial periods to warm interglacial periods.

Anomalies in the oceanic carbonate system recorded in marine sediments at the time3, for example while coral reefs were forming, apparently left no signature on atmospheric carbon dioxide concentrations.

Researchers from the Centre for Arctic Gas Hydrate, Environment and Climate (CAGE) at the Arctic University of Norway have discovered a growing Arctic abiotic methane - and methane hydrate — charged sediment drift on oceanic crust in the deep Fram Strait of the Arctic Ocean.

He uses sediments, microfossils and geochemistry to study evidence of past and present climate change in lake and oceanic sediments, his CU biography states.

The CO2 pools form when one oceanic plate buckles under another and carbonates in the sediment break down under the intense heat.