Between about 20,000 and 14,000 years ago, massive continental ice caps lowered sea levels to such an extent that large areas of the Chukchi and Bering seafloors were exposed as vast low-lying plains connecting Asia and North America forming a land bridge that extended from Alaska to the eastern tip of Siberia.. This dry arctic steppe biome support [..]

see lithic materials

see lithic materials

an elongated flake scar running along the center of a projectile point. Paleoindian points such as Clovis and Folsom had this characteristic flake pattern. flute

the method used to attach projectile points to their wooden shafts. Animal sinew was a common material hafting

see lithic materials

A lanceolate projectile point is long and lance-like. It is a term applied to many of the long, thin spear points from the early period in Alberta.

stone types used to make projectile points

a large volcanic eruption in the northwestern United States deposited volcanic ash over much of western Canada. Dating techniques have placed the ash at 6800 years ago. This thin layer of ash allows archaeologists to date sites relative to the date of the eruption.

A group of mammals which were usually very large. They include the mammoth, mastodon, and giant bison. Most of these animals became extinct at the end of the last ice age.