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Thursday, October 28, 2010

Photo: Arctic Volcanoes Found Active at Unprecedented Depths


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Glassy, granular fragments of seafloor basalt (right) are a key piece of evidence that volcanoes along the Arctic Ocean's Gakkel Ridge (left) have exploded violently, and at unprecedented depths, according to a June 2008 study.

Photograph by Adam Soule and Claire Willis/Woods Hole Oceanographic
Institution. Map courtesy of Martin Jakobsson/Stockholm University, Robert Reves-Sohn and Adam Soule/Woods Hole Oceanographic Institution, and the AGAVE science team.