Sentences with phrase «old seafloor»

Trapped in old seafloor sediments, the water is more than 100 million years old and twice as salty as modern seas

Lead author of the study, Dr Caroline Eakin, Research Fellow in Ocean and Earth Science at the University of Southampton, said: «The process of consuming old seafloor at subduction zones, where great slabs of oceanic material are swallowed up, drives circulation in the Earth's interior and keeps the planet going strong.

«When you walk on a rock surface, it's like walking on a 565 - million - year - old seafloor,» he says.

But using an old seafloor map of Havre and satellite data, Carey and her colleagues calculated that more than 75 percent of the material produced by Havre ended up in the 400 - square - kilometer pumice raft.

By combining older seafloor data and digital seismic data from earthquakes along with 4,500 kilometers (2,796 miles) of new seafloor depth measurements, or bathymetry, collected in 2010, Legg and his colleagues were able to take a closer look at the structure of two of the larger seafloor faults in the Borderland: the Santa Cruz - Catalina Ridge Fault and the Ferrelo Fault.

Not exact matches

When lava from Axial Volcano covered older flows on the seafloor (above), there was an eruption of life.

Chave had recently worked at Bell Laboratories, coordinating a project to reuse an old AT&T seafloor telephone cable to transmit undersea earthquake data to researchers onshore in Japan.

Once that data has been collected, he will apply the techniques he developed on the Juan de Fuca in the hope of learning more about what lies beneath the seafloor in the old oceans, where mysterious undulations in Earth's gravity field have been measured.

A single - celled organism lives beneath the seafloor, in rock hotter, deeper and older than any previously known sub-seafloor environment harboring life.

In addition to methane hydrates, carbon - rich permafrost that is tens of thousands of years old — and found throughout the Arctic on land and in seafloor sediments — can produce methane once this material thaws in response to warming.

Our results overturn a 60 - year - old conclusion that the depth limit to life is in the sediment just meters below the seafloor in such regions.

The aim is to establish the past history of ice advance and retreat, to look for old grounding lines - the locations where Larsen's feeding glaciers have previously rested on the seafloor.