Table 1: Comparison of colour and geochemistry of the obsidians from Domuztepe

Colour group	Geochemical source	% correctly assigned to geochemical source by colour	% of geochemical source which was correctly identified by colour	Number
Green	Bingöl/Nemrut Dağ peralkaline	100%	88%	7
Browns	Bingöl calcalkaline	82%	50%	9
Black with red edge	Bingöl calcalkaline	100%	28%	5
Reds	Pasinler/Arteni	100%	46%	6
Translucent greys light	Golludağ-east	83%	26%	9
Translucent greys darker	Golludağ-east	83%	26%	6
Grey	Golludağ-east	32%	8%	8