A bathymetric image shows the Kane Fracture Zone and the uplifted, rotated rock mass called the Kane Megamullion. Here the hidden lower crust and upper mantle are exposed, and WHOI/MIT graduate student Clare Williams studies the rocks? magnetic signals of this unique place to decipher how Earth?s crust is built up from overlapping lava flows. (Courtesy of Brian Tucholke, Woods Hole Oceanographic Institution)[back]
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