Oldowan innovation
Chipping stones to create a chopping or cutting edge. (Sharp edged flake)
Acheulian innovations
(Hand axe)
Mousterian innovation
Manufacture of flake tools, many flakes from a prepared central core.
Homo sapien tool cultures
Aurignacian tools
Manufacture of blade tools, with roughly parallel sides. Secondary flaking of edges, used bone tools. (40000 to 28000 years ago)
Aurignacian innovation
Blades are flaked off a prepared central core with a bone or antler punch, produced multiple thin blades.
Solutrean tools
Very elegant tool designs made possible by heating and suddenly cooling flint stones to shatter them in carefully controlled ways. (22,000 to 19,000 years ago)
Solutrean innovation
Used pressure flaking to retouch blades. Laurel leaf and willow leaf points.
Magdalenian tools
Very small flaked stones for arrows and spears, multi barbed harpoon points and spear throwers made of wood, bone or antler) (18000 to 12000 years ago)
Magdalenian innovation
Bone, anlter and ivory tools made using a burin (stone tool used to engrave)