George Howard on X: Here is a cool pic of the Younger Dryas Black

Abu Hureyra, Syria, Part 3: Comet airbursts triggered major climate change 12,800 years ago that initiated the transition to agriculture – ScienceOpen

About George - The Cosmic Tusk

Younger Dryas impact review paper accepted for publication in Earth-Science Reviews

Datestamp: World's oldest monument memorializes Younger Dryas comet impact - The Cosmic Tusk

PDF) The Younger Dryas Boundary (YDB): terrestrial, cosmic, or both?

George Howard on X: Here's a kick ass pic of the Younger Dryas Black Mat destruction layer across the USA that resulted from the comet impact ~12,877 years ago. USGS link and

PDF) Extraordinary Biomass-Burning Episode and Impact Winter Triggered by the Younger Dryas Cosmic Impact ∼12,800 Years Ago. 2. Lake, Marine, and Terrestrial Sediments

PDF) IMPLICATIONS FROM CHEMICAL, STRUCTURAL AND MINERALOGICAL STUDIES OF MAGNETIC MICROSPHERULES FROM AROUND THE LOWER YOUNGER DRYAS BOUNDARY (NEW MEXICO, USA

George Howard Jr. (1924-2007) •