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What is Obsidian Hydration Analysis?
A brief overview of the methodology of Obsidian Hydration by Jeff Hamilton.
Diffusion Laboratory
Provides obsidian hydration dating through the use of infrared spectroscopy.
Obsidian Hydration Analysis Service (OHAS)
Archaeological laboratory investigating prehistory using: transmitted light microscopy, reflected light microscopy, macroscopic analysis, satellite navigation, geographic information systems, and laser technology.
Obsidian Hydration Results for Pleasanton Sites
Two charts displaying profiles and results by source.
The Obsidian Clock
A press release from the Oak Ridge National Laboratory reporting that by using secondary ionization mass spectrometry, experimental calibration, and sophisticated modeling methods; is developing a technique to accurately determine when an obsidian tool was crafted.
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