“…A similar pattern is present for the lithic assemblages from Gigok, Wolso, Dongbaek-ri and Hwadae-ri, but the transition appears a little earlier at around 30 kya. Indeed, at Hwadae-ri, a significant behavioural change occurs marked by the appearance of a new tool type (tanged points) that is produced on fine-grained siliceous shale and dated to older than 30 kya (Bae & Bae 2012; Bae et al 2013; Seong 2015).…”