|
Google Earth is an important tool. You will need it, or some other source of high resolution satelite images.
References:
Evidence for an extraterrestrial impact 12,900 years ago that contributed to the megafaunal extinctions and the Younger Dryas cooling ~ R. B. Firestone et al
The Case for the Younger Dryas Impact Event: Mammoth, Megafauna, and Clovis Extinction, 12,900 Years Ago. ~ Richard. B. Firestone Phd.
Paleolithic extinctions and the Taurid Complex William M. Napier
Shock-synthesized hexagonal diamonds in Younger Dryas boundary sediments. ~D.J. Kennet et al
Large-Body Impacts and Global Mass Extinctions: How Compelling is the Causal Relationship? ~Jonathan T. Hagstrum, Ph.D., |