American–Antarctic Ridge
The American–Antarctic Ridge (AAR) is a tectonic spreading center between the South American Plate and the Antarctic Plate. It runs along the seafloor from the Bouvet Triple Junction in the South Atlantic Ocean southwestward to a major transform fault boundary east of the South Sandwich Islands.
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Coordinates: 54°50′00″S 0°40′00″W / 54.8333°S 0.666667°W
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