A bone projectile point found stuck in a mastodon rib in Washington was radiocarbon-dated to 13,800 years old, about 800 years older than the oldest known Clovis artifact.
Notes on verification
Confirmed by peer-reviewed Science publication and multiple independent archaeological sources, including the original Manis Mastodon Site research. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=0.867 clusters=3 claim_tier=notable]
Sources
- The First Americans - Smithsonian Magazine (seed:history_and_archaeology)
- https://www.science.org/doi/10.1126/science.1207663 (corroboration)
- https://www.sequimgazette.com/2014/03/19/manis-mastodon-reveals-its-secret/ (corroboration)
- https://archive.archaeology.org/1201/trenches/clovis_buttermilk_creek_manis_mastodon.html (corroboration)