Isotopic and geochemical constraints on the age and origin of granitoids from the central Mawson Escarpment, southern Prince Charles Mountains, East Antarctica

Boger, Steven D.Maas, RolandFanning, Christopher2015-12-080010-7999http://hdl.handle.net/1885/36979Granitoids from the central Mawson Escarpment (southern Prince Charles Mountains, East Antarctica) range in age from Archaean to Early Ordovician. U-Pb dating of zircon from these rocks indicates that they were emplaced in three distinct pulses: at 3,519Keywords: Archean; continental crust; emplacement; Gondwana; granitoid; igneous geochemistry; igneous intrusion; isotopic composition; Ordovician; orogeny; Proterozoic; SHRIMP dating; uranium-lead dating; zircon; Antarctica; East Antarctica; Prince Charles Mountain Antarctica; Gondwana; Granites; HighSr/Y; Lambert Complex; PrinceCharles Mountains; SHRIMPIsotopic and geochemical constraints on the age and origin of granitoids from the central Mawson Escarpment, southern Prince Charles Mountains, East Antarctica200810.1007/s00410-007-0249-x2015-12-08