Tracing the First North American Hunters (3 of 3) (VIDEO)

University of Copenhagen

Caption

High-resolution X-ray computed tomography (CT) scanning reveals a dense object made from bone embedded in the mastodon rib. The object is shaped to a point, indicating it is likely a spear head. The point penetrated 2.15 cm into the rib, after which the the tip broke after entering the rib and separated from the main shaft. The combined length of the point fragment (tip length plus the length of the embedded and external shaft piece) is 3.5 cm.

Credit

Eske Willerslev, University of Copenhagen

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