Subaqueous fans formed in marine and lacustrine settings have been reported from Quaternary and more ancient glacier-influenced environments (e.g. Powell 1990; Dowdeswell et al. 2015). Their presence is often taken to imply a palaeo-glacial environment abundant in sediment-rich meltwater, whose load was sourced from glacial erosion and transported in subglacial channels to the ice margin. The sedimentology of these fans sometimes exhibits bedforms indicative of high-energy water-flow, suggesting that rapid draina