Principles of thermoluminescence dating

28-Dec-2019 21:04

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This is followed by a look at measurement equipment that is employed in determining age and its operation.

Luminescence properties of minerals used in dating are then examined after which procedures used in age calculation are looked at.

Thermoluminescence Dating Thermoluminescence can be used to date materials containing crystalline minerals to a specific heating event.

This is useful for ceramics, as it determines the date of firing, as well as for lava, or even sediments that were exposed to substantial sunlight.

The technique is particularly useful for dating materials ranging in age from a few decades to around 100,000–150,000 years.

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If the specimen’s sensitivity to ionizing radiation is known, as is the annual influx of radiation experienced by the specimen, the released thermoluminescence can be translated into a specific amount of time since the formation of the crystal structure.

The complex history of radioactive force on a sample can be difficult to estimate.

However, thermoluminescence proven acceptable in providing approximate dates in the absence of more exact measures.

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Sample collection methods are also reviewed, as well as types of materials that can be dated.