
Oldest stone tools in the Americas claimed in Chile ...
18/11/2015 · This serpentine rock, the size of a large plum, bears scars made when a human struck it to produce stone tools in Chile 17,000 to 19,000 years ago. Tom Dillehay. A rchaeologist Tom Dillehay didn't want to return to Monte Verde. Decades ago, his discoveries at the famous site in southern Chile showed that humans occupied South America by 14,500 ...