Obsidian hydration dating principles
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Use the link below to share a full-text version of this article with your friends and colleagues. Learn more. The water diffusion mechanism in obsidian has been revisited with the advent of a new dating approach employing secondary ion mass spectrometry SIMS. Here, we present the basic physical—chemical analysis of the mass transport phenomenon on which the new dating method is based. Volume 48 , Issue 3. The full text of this article hosted at iucr.
Obsidian Hydration Dating
Obsidian Hydration - An Inexpensive, but Problematic Dating Technique
The emergence of man through the process of biological and cultural evolution is a story of long span of time. For the archaeologist and the prehistorian who deals with that long history of man, time is the most important consideration. The sequence of development of culture or the relationship between events that represent culture can be established only when events can be placed in proper time. Chronology, the study of events in time frame, is hence the central theme of archaeologist, like the geologist who deals with the story of earth history.
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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.