Evidence of cosmic impact discovered at classic Clovis archaeological sites

2 bikenaga 1 9/17/2025, 1:56:27 PM phys.org ↗

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bikenaga · 2h ago
Original article: "Shocked quartz at the Younger Dryas onset (12.8 ka) supports cosmic airbursts/impacts contributing to North American megafaunal extinctions and collapse of the Clovis technocomplex" - https://journals.plos.org/plosone/article?id=10.1371/journal...