Days of future past
Rapid global cooling 13,000 years ago challenged early occupants of Alaska to adapt. People used to hunting mammoths and other megafauna with big stone tools suddenly found their weapons shattering in the cold. Access to the stone they used to make them got buried under snow.
As with any climactic change, the cold resulted in a shift in fauna, requiring new tools. Early Alaskans turned to microblade technology, a technique they’d kept alive for hundreds of years along with their dominant hunting tools. Microblades made efficient use of now-scarce toolstone and met the needs of a changing climate.
“Throughout the Holocene, the importance of microblade … » More …