Pb-isotopic constraints on the source of A-type Suites: Insights from the Hiltaba Suite - Gawler Range Volcanics Magmatic Event, Gawler Craton, South Australia

The 1595–1575 Ma Hiltaba Suite intrusives and coeval Gawler Range Volcanics (GRV) represent a significant crustal component of the Mesoarchean-Mesoproterozoic Gawler Craton, South Australia, and one of the largest silicic igneous provinces in the world. They are also spatially and temporally-affiliated with world-class IOCG mineral deposits (i.e. Olympic Dam) thus making an understanding of these rocks important both economically, and...