Magmatism of the Weddell Sea rift system in Antarctica: Implications for the age and mechanism of rifting and early stage Gondwana breakup

• Published in: Gondwana Research
• Main Authors: Riley, Teal, Jordan, Tom, Leat, Philip, Curtis, Mike L., Millar, Ian
• Format: Article in Journal/Newspaper
• Language: English
• Published: Elsevier 2020
• Subjects: Antarctic; The Antarctic; Antarctic Peninsula; Weddell Sea; Weddell; Falkland Plateau; Black Coast; Antarc*; Antarctica
• Online Access: http://nora.nerc.ac.uk/id/eprint/522732/; https://nora.nerc.ac.uk/id/eprint/522732/1/Riley%20et%20al_Godwana%20Research.pdf; https://www.sciencedirect.com/science/article/pii/S1342937X19302795

Thick (∼800 m) basaltic successions from the eastern Antarctic Peninsula have been dated in the interval 180 – 177 Ma and preserve a transition from a continental margin arc to a back-arc extensional setting. Amygdaloidal basalts from the Black Coast region of the eastern margin of the Antarctic Pen...