Against the Grain

Younger Dryas “black mats” and the Rancholabrean termination in North America – PMC

Written by

Brad Gaus

in

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2373324/

“10,900 B.P. to 9,800 B.P. (radiocarbon years)….this layer or mat covers the Clovis-age landscape or surface on which the last remnants of the terminal Pleistocene megafauna are recorded”.

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