
The SciencesMarch 1, 1968
Obsidian and the Origins of Trade
Objects made of this volcanic glass are found at many Neolithic sites around the Mediterranean. Spectroscopic analysis indicates that the raw material often came from hundreds of miles away

Obsidian and the Origins of Trade
Objects made of this volcanic glass are found at many Neolithic sites around the Mediterranean. Spectroscopic analysis indicates that the raw material often came from hundreds of miles away