A Cataclysmic Event of a Certain Age – Evidence for a Catastrophic Episode 13,000 Years Ago
Via Phys.org July 27, 2015 At the end of the Pleistocene period,approximately 12,800 years ago—give or take a few centuries—a cosmic impact triggered an abrupt cooling episode that earth scientists refer to as the Younger Dryas. New research by UC Santa Barbara geologist James Kennett and an international group of investigators has narrowed the date to a 100-year range, sometime […]
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