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The South Shetland Islands archipelago is dynamically complex due to its tectonic surroundings. Most islands are part of a formerly active volcanic arc, although Deception, Penguin and Bridgeman Islands, as well as several submarine volcanoes, are characterized by active back-arc volcanism. Geodetic benchmarks were deployed and the movement of the lithosphere to which they were fixed measured to provide...
A magmatic arc was active along the Antarctic Peninsula's western margin during the Mesozoic and most of the Cenozoic. We report new constraints on the geodynamic history of King George Island (South Shetland Islands, northern Antarctic Peninsula), based on a multidisciplinary approach combining structural, petrological, geochemical, geochronological and paleomagnetic data from magmatic dike swarms...
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