and organic contents of ancient marine sediments that have either been exposed on land or collected through seafloor drilling. Subarctic Pacific Ocean sediments and modeling results provide new ...

The team reconstructed the speed of ocean currents near the bottom of the Southern Ocean by measuring marine sediment core material retrieved on Expedition 361 of the International Ocean Drilling ...

A newly discovered half-million-year-old layer of volcanic sediment beneath the Aegean Sea rewrites what scientists know about this area’s volcanic history – and potential future hazards.

Last year’s drilling attempt failed due to technical ... If researchers uncover marine algae in the sediment core, it would indicate open ocean conditions, confirming significant ice retreat ...