CLOVIS CHOPPER This is the largest of the two choppers that were found on the Colby site. It was made from a piece of granite that was split from another stone. This picture shows the stone's original outer cortex. The break produced a sharp edge around all its sides. The widest convex edge exhibited heavy chopping use. It's believed that this tool was probably used during the butchering process of the mammoth. This chopper measures 8 1/2 inches (21 cm) long, 7 1/2 inches (19 cm) wide and 2 3/16 inches (5.5 cm) thick.
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