Obsidian hydration dating principles

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The dating is based on. An earlier attempt of using nuclear reaction to monitor H. The water diffuses over many years into the surface, forming a "band," "rim," or "rind" up to a few tens of micrometers thick. Karsten, J. A previous analysis Scheetz and Stevenson concluded. The H 2 O concentration versus depth profiles are modelled, following Fick's law of diffusion, which together with the concept of the SS layer, and the empirical effective diffusion coefficient produces a phenomenologicaldatingapproach in obsidians [5] that provides a sound basis for the new diffusion age equation SIMS-SS supported by dated world examples. Establishing an hydration rate for fish springs obsidian.

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Obsidian hydration dating

Quartz hydration dating. O whether structural molecular or diffused molecular water Newman. The saturation conditions on the surface represent the average conditions of the physical surroundings for the diffusion system during the elapsed time in a particular archaeological context. Initial Jomon in the stratified open-air site of Jozuka in southern Kyushu Japan. Archaeological petrology and the archaeometry of lithic materials.

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