Cores are defined as a source rock from which flakes have been removed.  Typically the flakes removed are the desired products.  On occasion, some cores are themselves used as tool, often wedges.

EdQa 121-259  (6n2w) L 3 (10-15 cm) (Figure 20)  This is a small three sided core of Top of the World Chert.  All surfaces evidence random flake scars and two edges show evidence of multiple battering and crushing suggesting possible use as wedge. max. length 25.0 mm; max. width 16.6 mm; max. thickness 12.0 mm.

EdQa 121- 247 (6n2w) L11 ( 50-55 cm) (Figure 20)  This is an oval core of black chert.  The chert has fine visible grains and has considerable fracture lines.  Random flake scars are present over both dorsal and ventral surfaces.   Several segments of the edges display battering and crushing suggesting possible use as a wedge. max. length 41.1 mm; max. width 32.2 mm; max. thickness 14.1 mm.