Cretaceous magmatism in the Antarctic Peninsula and its tectonic implications

• Published in: Journal of the Geological Society
• Main Authors: Bastias Silva, Miguel Joaquin, Spikings, Richard Alan, Riley, Teal, Chew, David, Grunow, Anne, Ulianov, Alexey, Chiaradia, Massimo, Burton-Johnson, Alex
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2022
• Subjects: info:eu-repo/classification/ddc/550; Alexander Island; Antarctic; Antarctic Peninsula; Graham Land; Palmer Land; The Antarctic; Weddell; Weddell Sea; Antarc*; South Atlantic Ocean
• Online Access: https://archive-ouverte.unige.ch/unige:163992

Periods of cessation, resumption and enhanced arc activity are recorded in the Cretaceous igneous rocks of the Antarctic Peninsula. We present new geochronological (laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) zircon U–Pb) analyses of 36 intrusive and volcanic Cretaceous r...