Stone Tool Making Techniques: Pressure blade-making

The pressure technique was used in many parts of the world from the Late Pleistocene to the recent past to make blades from fine-grained flint, chert, and obsidian.  The precision of pressure flaker placement combined with the static loading of the core platform meant that large numbers of uniform blades could be removed in series from one core.  

Aztec pressure blade core re-do 1

Blade Core

Obsidian Aztec blade

Blade

Blade from Pakistan

Blade

Microblade core North Africa

Microblade Core

Microblade core Pakistan

Microblade Core