A hydration rate for obsidian of 1.3μ m2 per 1,000 radiocarbon years has been calculated for the lower Columbia River Valley of Oregon and Washington. The rate provides a means for dating prehistoric ...
Aspects of secondary ion mass spectrometry (SIMS) depth profiling for obsidian hydration dating / Steven W. Novak and Christopher M. Stevenson -- Obsidian hydration chronometrics using SIMS and ...
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