The "black mat" at Murray Springs: photo

The dark layer in the cut bank of the wash, as the site sign identifies it.

Ammodramus (Wikimedia Commons), 2016. CC0

Copies 1

PhotoAmmodramus (Wikimedia Commons) · commons.wikimedia.org · 2016-03-12 · CC0Primary source: File:Murray Springs Clovis site, Clanton clay black mat 1.JPG1 step from the original

Where it's published Download

Where it is kept

Murray Springs, San Pedro Valley, Arizona · Archaeological site

Sources 2

File:Murray Springs Clovis site, Clanton clay black mat 1.JPGSRC
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). The "black mat" at Murray Springs: photo [Copy CPY0D51XZ141FQJ]. https://mysteriesdept.com/r/CPY0D51XZ141FQJ

@misc{mysteriesdept_art0d51xysa1g8y,
  title     = {The "black mat" at Murray Springs: photo},
  author    = {{Mysteries Department}},
  year      = {2026},
  note      = {Artifact, catalog key CPY0D51XZ141FQJ},
  url       = {https://mysteriesdept.com/r/CPY0D51XZ141FQJ}
}