Obsidian Hydration Dating Update
- 1 July 1983
- journal article
- Published by Cambridge University Press (CUP) in American Antiquity
- Vol. 48 (3) , 544-547
- https://doi.org/10.2307/280560
Abstract
The obsidian hydration dating technique has been refined since its invention in 1960. The hydration process slows down as it proceeds and appears to follow the relation: hydration thickness is proportional to the square root of time. The variables that influence the hydration rate are mainly the temperature experienced by the object to be dated and its chemical composition.Methods of estimating effective integrated field temperatures and composition variables of obsidians are discussed.Keywords
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