English Island arc Cited by user Lappspira on 02 Nov 2018 An island arc is a type of archipelago, often composed of a chain of volcanoes, with arc-shaped alignment, situated parallel and close to a boundary between two…
English Gondwana Cited by user Lappspira on 02 Nov 2018 Gondwana, or Gondwanaland, was a supercontinent that existed from the Neoproterozoic (about 550 million years ago) until the Carboniferous (about 320 million years ago).
English Tectonic evolution of Patagonia Cited by user Mamayuco on 30 Oct 2018 The rocks comprising Patagonia occurred along the southwestern margin of the ancient supercontinent of Gondwana.