News tagged with ocean crust

Studying ancient Earth's geochemistry

Researchers still have much to learn about the volcanism that shaped our planet's early history. New evidence from a team led by Carnegie's Frances Jenner demonstrates that some of the tectonic processes driving volcanic ...

Jan 18, 2013
4.8 / 5 (5) 1 | with audio podcast

Bubbling up organics in an ocean vent simulator

(Phys.org)—This week, fizzy ocean water and the alkaline fluid that bubbles up from deep ocean vents are coursing through a structure at NASA's Jet Propulsion Laboratory in Pasadena, Calif. that is reminiscent ...

Jan 17, 2013
5 / 5 (1) 3 | with audio podcast

Deep recycling in the Earth faster than thought

The recycling of the Earth's crust in volcanoes happens much faster than scientists have previously assumed. Rock of the oceanic crust, which sinks deep into the earth due to the movement of tectonic plates, ...

Aug 10, 2011
4.5 / 5 (4) 18 | with audio podcast