Obsidian Hydration Dating Range

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Obsidian hydration dating - ScienceDirect
Obsidian hydration dating: accuracy and resolution . . .
Obsidian hydration dating - Wikipedia
Obsidian Hydration: A Cheap Way to Date Stone Tool Making . . .
Obsidian Hydration Dating - UC Santa Barbara
Obsidian hydration dating: accuracy and resolution . . .
(PDF) Obsidian Hydration Dating - ResearchGate
PDF Obsidian hydration dating: accuracy and resolution . . .
(Pdf) Obsidian Hydration Dating- New Review | Ioannis . . .
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Although this demands careful attention to the conditions on particular sites, it is capable of yielding accurate dates in the range 1 000 000 to 200 BP . Obsidian hydration dating is rapidly growing in importance as an aid to archaeologists concerned with establishing reliable chronological control over the prehistoric cultural remains which they uncover .
Obsidian hydration dating typically yields a range of ages for a single chronometric measurement, even after controlling for source chemistry and effective hydration temperature . Previously published data suggest that this range is due to hydration rate variations caused by variability in the concentration of intrinsic water, and specifically hydroxyl ions, in the obsidian .
Jump to navigation Jump to search . 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 the manufacture of stone tools such as projectile points, knives, or other cutting . . .
Obsidian hydration dating (or OHD) is a scientific dating technique, which uses the understanding of the geochemical nature of the volcanic glass (a silicate) called obsidian to provide both relative and absolute dates on artifacts . 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 .
Obsidian hydration dating is based on the fact that a fresh surface is created on a piece of obsidian in the tool manufacturing, or flintknapping, process . Obsidian contains about 0 .2 percent water . When a piece of obsidian is fractured, atmospheric water is attracted to the surface and begins to diffuse into the glass .
Obsidian hydration dating typically yields a range of ages for a single chronometric measurement, even after controlling for source chemistry and effective hydration temperature .
Obsidian hydration dating has served as one of the chronological indicators for the Hopewell Culture earthworks (ca . 200 B .C . - A .D . 500) in central Ohio (Stevenson et al . 2004 ) .
Obsidian hydration dating typically yields a range of ages for a single chronometric measurement, even after controlling for source chemistry and effective hydration temperature . Previously published data suggest that this range is due to hydration rate variations caused by variability in the concentration of intrinsic water, and specifically . . .
The higher the environmental temperature in burial sites, the higher the diffusion rate, while for average environmental conditions it is $1 mm/1,000 years (Figs . 1a, b and 2a, b) . Attention is exerted on the precise determination of " hydration front," i .e ., the interface layer between unhydrated and hydrated glass .
Obsidian hydration dating is taking the hydration rim on a piece of obsidian and seeing how thick it is and then using that to put the order of events into place . This creates a lot of very . . .
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Obsidian Hydration Dating Range