“…Analyses from a number of studies show that obsidian deposits in central and eastern Anatolia supplied sites in the Near East from the Epipalaeolithic to the Bronze Age (approximately 14,000e6000 BP) (Abbès et al, 2003;Briois et al, 1997;Cauvin et al, 1997;Chataigner et al, 1998;Yellin et al, 1996). These deposits supplied social exchange networks that were initially small, but over time expanded and became more complex and interconnected, with an overlapping region in the northern Levant and Upper Euphrates valley (Cauvin and Chataigner, 1998).…”