Sentences with phrase «of oceanic sediments»

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

Not exact matches

Sediment - covered basalt on the flanks of mid-ocean ridges constitutes most of Earth's oceanic crust, but the composition and metabolic function of its microbial ecosystem are largely unknown.

Records of sea surface temperature from oceanic sediment cores, for example, show that the magnitude of warming following several previous glaciations are well - correlated (www.ncdc.noaa.gov/paleo/recons.html).

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.

An abrupt warming of oceanic intermediate waters could have initiated the thermal destabilization of sediment - hosted methane gas hydrates and potentially triggered sediment slumps and slides.

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.