Scientists drill through unseen layer of Earth's crust

Posted on Monday, Apr 24 2006 @ 08:14 CEST by Thomas De Maesschalck
Scientists managed to expose what lies beneath the uppermost layer of our planet's crust for the first time:
A team of American and Japanese scientists began drilling at the site--500 miles west of Costa Rica--in 2002, lured by theoretical predictions of thin crust in areas where the sea-floor spread most rapidly. More than 12 million years ago, this region of the Pacific formed new crust at nearly nine inches per year--faster than any spreading occurring today. Because of that quick spreading, the underlying layer of gabbro--coarse-grained, black volcanic rock--should be nearer to the surface, explains team member Doug Wilson, a geophysicist at the University of California, Santa Barbara. "If that theory were to be correct then we should only need to drill a relatively shallow hole compared to anywhere else," he says.
You can read more over here.


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Thomas De Maesschalck

Thomas has been messing with computer since early childhood and firmly believes the Internet is the best thing since sliced bread. Enjoys playing with new tech, is fascinated by science, and passionate about financial markets. When not behind a computer, he can be found with running shoes on or lifting heavy weights in the weight room.



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