New deglaciation data opens door for earlier First Americans migration
Thursday, June 21, 2012 - 12:30
in Paleontology & Archaeology
A new study of lake sediment cores from Sanak Island in the western Gulf of Alaska suggests that deglaciation there from the last Ice Age took place as much as1,500 to 2,000 years earlier than previously thought, opening the door for earlier coastal migration models for the Americas.