Abstract
A recently active normal fault and extensional crevasse on the western insular slope/rise boundary of Iceland adjoins a rotational slump that moved as the lower block of an active growth fault. A slump off SE Greenland is contrasted to the western Iceland slope/rise feature in translational movement and slump morphology. Bergschrund-like extensional cracks and valleys at the heads of slumps serve as troughs channeling gravity flows into established canyons on the midrise. Distinctive characteristics of buried canyons and levees may be confused with slump or slide surfaces and related subbottom features that have similar seismic reflection qualities. Examples are defined forGrowth Fault/Rotational Slumps, andTranslational Displacement Slumps.
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