MysteriesYounger Dryas impact hypothesisArtifactsQuartz grains reported as shock-fractured (2025, retracted)Quartz grains reported as shock-fractured (2025, retracted): document
CPY0D51XZGR030E·Copy · sample
Quartz grains reported as shock-fractured (2025, retracted): document
Not kept here. This copy isn't ours to show. See it where it's published.
The retracted paper, with the micrographs of grains from Murray Springs, Blackwater Draw and Arlington Canyon.
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): document [Copy CPY0D51XZGR030E]. https://mysteriesdept.com/r/CPY0D51XZGR030E
@misc{mysteriesdept_art0d51xz8y2r89,
title = {Quartz grains reported as shock-fractured (2025, retracted): document},
author = {{Mysteries Department}},
year = {2026},
note = {Artifact, catalog key CPY0D51XZGR030E},
url = {https://mysteriesdept.com/r/CPY0D51XZGR030E}
}