Blade cores provided a portable source of stone or obsidian for manufacturing different kinds of tools by flaking off pieces from the core ... Worlds was the blade flake, a thin, parallel ...

Cortex: Weathered surface on the outer layer of a rock. Debitage: Any piece of stone that is detached from a core or tool during manufacture. Flake: A fragment of stone that has been detached from a ...

Blade cores provided a portable source of stone or obsidian for manufacturing different kinds of tools by flaking off pieces from the core ... Worlds was the blade flake, a thin, parallel ...