Scotia Plate

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The Scotia Plate and the South Sandwich Plate: Southern Tectonic Dynamics (lacgeo.com) The Scotia Plate and the South Sandwich Plate are pivotal in molding the tectonic features of the southern extents of the South Atlantic and Southern Oceans encircling Antarctica. These plates are essential elements of the complex tectonic mosaic that influences the Southern Hemisphere’s dynamics.

Scotia Plate (Wikipedia) The Scotia Plate (Spanish: Placa Scotia) is a minor tectonic plate on the edge of the South Atlantic and Southern oceans. Thought to have formed during the early Eocene with the opening of the Drake Passage that separates Antarctica and South America, it is a minor plate whose movement is largely controlled by the two major plates that surround it: the Antarctic Plate and the South American Plate. The Scotia Plate takes its name from the steam yacht Scotia of the Scottish National Antarctic Expedition (1902–04), the expedition that made the first bathymetric study of the region.