The Nenana complex is characterized by the presence of Chindadn projectile points, which are small and tear drop-shaped to triangular in outline.They are stone tools which can be dated back to about 11,000B.P. and 11,800 B.P.
The Denali complex are tools of wedge-shaped cores, micro blades , bifacial knives and burins.The Denali complex is younger than Nenana complex, had dated around 10,700B.P The lack of wedge-shaped cores and dates that are older than those connected with Denali Complex show older migration of Asians into the New World.
The similar stone tool to the Denali Complex had been found in Siberia because both consists