Zircon U-Pb dating of Mesozoic volcanic and tectonic events in northwest Palmer Land and southwest Graham Land, Antarctica

• Published in: Antarctic Science
• Main Authors: Leat, Philip, Flowerdew, Michael, Riley, Teal, Whitehouse, M.J., Scarrow, J.H., Millar, Ian
• Format: Article in Journal/Newspaper
• Language: English
• Published: Cambridge University Press 2009
• Subjects: Earth Sciences; Antarctic; The Antarctic; Antarctic Peninsula; Graham Land; Palmer Land; Berteaux; Cape Berteaux; Antarc*; Antarctic Science; Antarctica
• Online Access: http://nora.nerc.ac.uk/id/eprint/8695/; https://nora.nerc.ac.uk/id/eprint/8695/1/Ant_Sci_for_NORA.pdf

New whole rock Rb-Sr and zircon U-Pb geochronological data and Sm-Nd isotopic data are presented from the central magmatic arc domain of the Antarctic Peninsula in the area of northwest Palmer Land and southwest Graham Land, Rb-Sr isochrons indicate an age of 169±6 Ma for basement orthogneisses and...