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Define obsidian hydration dating.

Obsidian hydration dating OHD is a geochemical method of determining age in either absolute or relative terms of an artifact made of obsidian. Obsidian is a volcanic glass that was used by prehistoric people as a raw material in...

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Define obsidian hydration dating

   02.04.2020  9 Comments
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Define obsidian hydration dating

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9 thoughts on “Define obsidian hydration dating

  1. Obsidian—hydration—rind dating , method of age determination of obsidian black volcanic glass that makes use of the fact that obsidian freshly exposed to the atmosphere will take up water to form a hydrated surface layer with a density and refractive index different from that of the remainder of the obsidian.

  2. Obsidian outcrops all over the world, and was preferentially used by stone tool makers because it is very easy to work with, it is very sharp when broken, and it comes in a variety of vivid colors, black, orange, red, green and clear.

  3. The obsidian hydration dating method was introduced to the archaeological community in by Irving Friedman and Robert Smith of the U.

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