Archaeology Café: What Obsidian Studies Hath Wrought.
Channel: ArchaeologySouthwest
Date: 2012-11-17

In this video, Dr. M. Steven Shackley discusses the science of obsidian. His work has changed how archaeologists have examined this volcanic glass, and the types of information that it has yielded. A must watch for anyone interested in lithics, archaeological science, or how materials circulated around the prehistoric landscape.