Scientists have recently documented that oxygen is disappearing from seawater circulating through deep oceanic crust, a significant first step in understanding the way life in the "deep biosphere ...

Its goal was to drill until we could directly sample the mantle - that is, drill through the oceanic crust, through the Moho and into the uppermost mantle. However, as with many ambitious projects ...

Life in a global conveyor. Oceanic crust has been made almost continuously for 3.8 billion years at mid-ocean ridges, a network of volcanoes that stretches 40,000 miles around the planet.Mostly ...

Oceanic crust, made of basaltic rock and rich in magnetite, is created at divergent plate boundaries, where the mantle is constantly coughing up new magma. As the magma rises, cools and ... The ...

(Phys.org) —A new study shows for the first time that microorganisms are thriving deep within the oceanic crust under the sea floor, and hence far from light or oxygen.

Oceanic islands preferred thin crust. ... —Debate over how and where oceanic island chains, like Hawaii, form, is at an end according to an academic from The Australian National University.

The discovery of giant creatures in the Earth’s crust beneath the ocean floor serves as a powerful reminder of the wonders ...

Cycling of oceanic crust through mantle reservoirs can therefore reconcile observations of different recycled ... but it doesn’t explain the recycled oceanic crustal components (for example, ...

Subduction zones, where one tectonic plate dives underneath another, drive the world’s most devastating earthquakes and tsunamis. How do these danger zones come to be? A study in Geology presents ...

COOLING DOWN Newly formed oceanic crust (redder shaded regions) is thinner on average than older crust, new research shows.This thinning suggests that Earth’s mantle is cooling faster than ...