Boundary-layer sediment samples from the 2007 sites

Not kept here. This copy isn't ours to show. See it where it's published.

Samples from Murray Springs, Blackwater Draw, Arlington Canyon and other sites. No public archive of the original samples was found; later tests resampled the sites.

Richard Firestone and colleagues, 2007. publisher

Copies 1

DocumentRichard Firestone and colleagues · doi.org · 2007-10-09 · publisherPrimary source: Evidence for an extraterrestrial impact 12,900 years ago that contributed to the megafaunal extinctions and the Younger Dryas cooling2 steps from the original

Where it's published

Where it was made

North America · Region

Sources 2

Cite it

Mysteries Department. (2026). Boundary-layer sediment samples from the 2007 sites [Artifact ART0D51XY9P3QFB]. https://mysteriesdept.com/r/ART0D51XY9P3QFB

@misc{mysteriesdept_art0d51xy9p3qfb,
  title     = {Boundary-layer sediment samples from the 2007 sites},
  author    = {{Mysteries Department}},
  year      = {2026},
  note      = {Artifact, catalog key ART0D51XY9P3QFB},
  url       = {https://mysteriesdept.com/r/ART0D51XY9P3QFB}
}