Define Obsidian Hydration Dating

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Obsidian Hydration: A Cheap Way to Date Stone Tool Making . . .
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Obsidian hydration dating : definition of Obsidian . . .
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Obsidian hydration dating: accuracy and resolution . . .
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Obsidian Hydration Dating (OHD) is a scientific dating technique using the unique geochemical nature of volcanic glasses . The method relies on the measured and predictable growth of a rind that forms on the glass when first exposed to the atmosphere .
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 .
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 . . .
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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 sometimes used as a raw material in the manufacture of stone tools such as projectile points, knives, or other cutting tools through the . . .
Obsidian Hydration Dating (OHD) The technique was initiated by Friedman and Smith (1960), where they noted that (a) the exposed surfaces of ancient obsidian artifacts had absorbed water, (b) the . . .
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 ) .
Introduction . Obsidian hydration dating (OHD) is a very useful and cost-effective technique for chronological analyses, particularly in regions where radiocarbon and dendrochronology cannot be applied . It is well known, however, that OHD typically reveals a range of rim thicknesses or ages corresponding to a single chronometric measurement, even . . .
Obsidian : Obsidian is an aluminosilicate, or rhyolitic, glass, formed by rapid cooling of volcanic magma under the proper geologic conditions . As any other glass, it is not a crystal, and thus it lacks the lattice structure typical of crystals at the atomic level . However, glasses do possess some degree of spatial order .
Obsidian : Obsidian is an aluminosilicate, or rhyolitic, glass, formed by rapid cooling of volcanic magma under the proper geologic conditions . As any other glass, it is not a crystal, and thus it lacks the lattice structure typical of crystals at the
Obsidian hydration dating . 26-Feb-2021 01:46 . . . . and metamorphism are defined by absolute ages .The results suggest that the present-day global tectonic scheme was operative in the distant past as well .plate tectonics has had a profound influence on the scientific understanding of our dynamic planet . Dating , in geology, determining a chronology . . .
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Define Obsidian Hydration Dating

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