The King's Trough Complex is a several-hundred-kilometer-long, canyon-like system of trenches on the North Atlantic seafloor.

A record-breaking 1268-meter drill core into Earth’s mantle, collected from the Mid-Atlantic Ridge in the North Atlantic, has provided a deep and detailed mineralogical glimpse of the oceanic mantle.

Image: Tiny crystals called zircons are used to date oceanic crust. A newly developed method that detects tiny bits of zircon in rock reliably predicts the age of ocean crust more than 99 percent of ...

The formation and composition of oceanic crust remain central yet unresolved questions in plate tectonics. While seismic data suggest a globally uniform crustal thickness (~6 km), petrological ...

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