MysteriesYounger Dryas impact hypothesisArtifactsQuartz grains reported as shock-fractured (2025, retracted)
ART0D51XZ8Y2R89·Artifact · sample
Quartz grains reported as shock-fractured (2025, retracted)
Not kept here. This copy isn't ours to show. See it where it's published.
The most recent physical claim, retracted five months after publication.
James Kennett and colleagues, 2025. CC-BY-4.0
Copies 1
DocumentJames Kennett and colleagues · doi.org · 2025-09-10 · CC-BY-4.0Primary source: 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 (retracted)2 steps from the original
Where it was made
Murray Springs, San Pedro Valley, Arizona · Archaeological site
Sources 2
- Retraction: 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 technocomplexSRC
- 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 (retracted)SRC
Cite it
Mysteries Department. (2026). Quartz grains reported as shock-fractured (2025, retracted) [Artifact ART0D51XZ8Y2R89]. https://mysteriesdept.com/r/ART0D51XZ8Y2R89
@misc{mysteriesdept_art0d51xz8y2r89,
title = {Quartz grains reported as shock-fractured (2025, retracted)},
author = {{Mysteries Department}},
year = {2026},
note = {Artifact, catalog key ART0D51XZ8Y2R89},
url = {https://mysteriesdept.com/r/ART0D51XZ8Y2R89}
}