Antarctic Peninsula granitoid petrogenesis: a case study from Mount Charity, north-eastern Palmer Land

• Published in: Antarctic Science
• Main Authors: Scarrow, Jane H., Pankhurst, R.J., Leat, P.T., Vaughan, A.P.M.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Cambridge University Press (CUP) 1996
• Subjects: Geology; Ecology, Evolution, Behavior and Systematics; Oceanography; Antarctic; Antarctic Peninsula; Charity; Palmer Land; Mount Charity; Antarc*; Antarctic Science
• Online Access: http://dx.doi.org/10.1017/s0954102096000260; https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102096000260

At Mount Charity, north-eastern Palmer Land, Rb–Sr whole-rock dating has identified three successive phases of granitoid emplacement in Triassic (232 ± 4 Ma), Jurassic (168 ± 1 Ma), and Cretaceous (120 ± 4 Ma) times. The Triassic suite comprises tonalites, granodiorites (including one two-mica grano...