Cenozoic tectonic history of the South Georgia microcontinent and potential as a barrier to Pacific-Atlantic through flow

• Published in: Geology
• Main Authors: Carter, Andrew, Curtis, Mike, Schwanethal, James
• Format: Article in Journal/Newspaper
• Language: English
• Published: Geological Society of America 2014
• Subjects: Antarctic; Scotia Sea; Pacific; Rocas; North Scotia Ridge; West Scotia Ridge; Georgia Rise; Northeast Georgia Rise; Antarc*; Antarctica
• Online Access: http://nora.nerc.ac.uk/id/eprint/504940/; https://nora.nerc.ac.uk/id/eprint/504940/1/Geology-2014-Carter-G35091.1.pdf; https://doi.org/10.1130/G35091.1

Cenozoic opening of the central Scotia Sea involved the tectonic translation of crustal blocks to form the North Scotia Ridge, which today is a major topographic constriction to the flow of the deep Antarctic Circumpolar Current that keeps Antarctica thermally isolated from warmer ocean waters. How...