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Obsidian hydration dating limitations

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C dating, thermoluminescence is related to radioactive decay.

Thermoluminescence is produced by radioactive decay particles (electrons), trapped in mineral grains.

Suggested guidelines for obsidian hydration dating are developed using a case study.

These findings do not invalidate obsidian hydration as a chronometric technique, but they do suggest limits to the temporal resolution achievable.

Used particularly for edu.au/environment/ee Pages/ee Dating/Quaternary Geochronology/ Trapped Charge Dating PRINCIPAL: energy trapped in crystal imperfections depends on dose rate and time. establish hydration rate for each type of obsidian by examining pieces of known age, or with high pressure and temperature in lab.

The reconstruction of time is a central concern all archaeologists must address in their research; few, however, are fully aware of the potential of all the dating methods at their disposal.

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It (1) reviews how this dating technique was first discovered and applied, (2) details our current knowledge of the process of hydration and which variables affect its rate, (3) discusses the relative advantages and limitations of the three primary approaches employed to construct hydration chronologies, and (4) presents a protocol for its future application in Mesoamerica. If your browser does not accept cookies, you cannot view this site.There are many reasons why a cookie could not be set correctly.For example, the site cannot determine your email name unless you choose to type it.Allowing a website to create a cookie does not give that or any other site access to the rest of your computer, and only the site that created the cookie can read it.Below are the most common reasons: This site uses cookies to improve performance by remembering that you are logged in when you go from page to page.