https://allthatsinteresting.com/parsons-island-tools
“That’s when Lowery discovered a black streak of sediment coming from Parsons Island, which he believed could fill in those missing years”.
Tag: Black Mat Layer
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Megafauna and Human die off simultaneously?
https://core.tdar.org/collection/69477/human-interactions-with-extinct-fauna
We are looking at everything. -
Younger Dryas “black mats” and the Rancholabrean termination in North America – PMC
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”.
Against the Grain 