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A group of researchers headed by Professor Texas A&M University professor has identified the Manis bone projectile point as the oldest weapon made from bone discovered throughout the Americas at 13,900 years old.
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Dr. Michael Waters, a distinguished professor of Anthropology who is also a director at Texas A&M's Center for the Study of First Americans, led the team of researchers whose findings were published last week by Science Advances.
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The team examined bone fragments embedded within the mastodon rib bone that was initially found in the hands of Carl Gustafson, who excavated the Manis site in Washington state from 1977 until 1979.
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With the help of the aid of a CT scan and 3D-based software, Waters, as well as his group, were able to isolate bone fragments to determine if that it was the point of the weapon: a projectile created from the bones of Mastodon, which were prehistoric relatives of elephants.
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"We isolated the bone fragments, printed them out and assembled them," Waters said.
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This clearly showed this was the tip of a bone projectile point.
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This is this the oldest bone projectile point in the Americas and represents the oldest direct evidence of mastodon hunting in the Americas."
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Waters stated that 13900 years ago, Manis point was 13,900 years old.
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Manis Point is about 900 years old older than the projectile points that were found to be related to the Clovis people who used stone tools that have also been studied by Waters.
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From 13,050 to 12,750 years back, Clovis spear points have been discovered in Texas and other locations all over the United States.