Reconstruction of the Scotia Sea 25 Million Years Ago (IMAGE)

University of Texas at Austin

Reconstruction of the Scotia Sea 25 Million Years Ago

Caption

This is a reconstruction of the Scotia Sea area 25 million years ago, showing volcanoes of the ancestral South Sandwich arc (ASSA). They are now submerged, but were active at that time and possibly emergent. They may have blocked the onset of the Antarctic Circumpolar Current. (NSR = North Scotia Ridge; SSR = South Scotia Ridge; SG = South Georgia island)

Credit

University of Texas at Austin

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