New Images Suggest Oceanic Crust Generated From Several Magma Sources
7th Sep 2005, 15:32 GMT
Some of the highest quality images ever taken of the Earth's lower crust reveal that the upper and lower crust form in two distinctly different ways. To form the images, the researchers, led by a team from Columbia University's Lamont-Doherty Earth Observatory (LDEO), analyzed sound waves bounced off structures deep in the Earth, a process similar to creating an ultrasound image.
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