Obsidian hydration dating: Revision history

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5 October 2014

12 February 2014

  • curprev 01:5301:53, 12 February 2014en>Frzem 14,592 bytes −145 remove deleted / nonexisting image [[File:Obsidian_hydration.jpg|thumb||Optical image of a thin section of obsidian. The hydration layer is visible. A SIMS profile is overlapped.

27 January 2014