Perspective view, looking southwest, of a megamullion that developed at an inside corner of the Kane transform discontinuity between about 3.3 and 2.1 million years ago. The domed megamullion is corrugated by ridges (mullions) that parallel the direction of fault slip. A steep, west-facing normal fault formed as the megamullion developed, and it cuts the mullions at right angles. The image was generated from multibeam sonar data that give complete bathymetric coverage of the seafloor.[back]
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