“…This temporally and spatially extensive accretionary belt, the Great Proterozoic Accretionary Orogen (Fig. 3) (GPAO; Condie, 2013;Roberts, 2013), produced calc-alkaline I-type magmatism and significant crustal growth along the margins of SE Laurentia, SW Baltica and SW Amazonia (Whitmeyer and Karlstrom, 2007;Johansson, 2009;Johansson et al, 2022). The extent of the GPAO around the entirety of the Columbia supercontinent is not well constrained, but likely included other continents where magmatism of this timeframe is known (e.g., Kalahari, North China Craton, Siberia, India; Li et al, 2021;Wang et al, 2022;Roberts, 2013;Elming et al, 2021).…”