Natural delimitation between the Pacific and South Atlantic oceans by the Scotia Arc
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The natural delimitation between the Pacific and South Atlantic Oceans by the Scotia arc (in Spanish: Delimitación natural entre los océanos Pacífico y Atlántico Sur por el arco de las Antillas Australes) is the title of a scientific theory developed in Chile in which it was postulated that the boundary between the Southeast Pacific Ocean and the Southwest Atlantic Ocean would not be the meridian of the Cape Horn, but rather the Scotia Arc, an underwater orographic chain which links the Tierra del Fuego archipelago with the Antarctic continent.
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