Ocean drilling deep into the Pacific crust

This item was filled under Climate
From April 13 to June 3, an international team is setting off for the East Pacific to carry out an ocean drilling campaign off the coast of Costa Rica. The expedition's goal is to drill down for the first time next to a superfast-spreading mid-ocean ridge, to reach the gabbro that lies around 2 km beneath the ocean floor. Obtaining samples of these magmatic rocks, which result from slower cooling than the basalts found on the ocean floor, will enable scientists to better understand the structure of the crust and test models for its formation in the specific context of fast-spreading ridges....
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