The 13,900-Year-Old Mastodon Rib Found With A Bone Point Still Inside — And The CT Scan That Put Hunters Before Clovis
This finding had two important implications.
First, it established that the embedded material was bone — compact, dense mammal bone — not mineral material that had invaded the rib through geological processes.
Second, it established that the bone was mastodon bone — which meant it was either from the same individual whose rib it was embedded in, or from a different mastodon.
And here the geological and spatial analysis became critical: the geometry of the penetration, which the CT images had documented so precisely, was inconsistent with the embedded fragments having originated from the same rib.
They had entered the rib from outside.
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