Luminescence dating definition

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The accumulation of trapped electrons, and the gaps left behind in the spaces they vacated, occurs at a measurable rate proportional to the radiation received from a specimen’s immediate environment.The excitation sources are ultraviolet radiation and electrons, respectively.Other types are ionoluminescence, chemiluminescence and others. Bio luminescence is light emitted by living organisms.phosphorescence of certain materials or objects as a result of heating.It is caused by pre-irradiation of the material inducing defects which are removed by the heat, the energy released appearing as light: used in archaeological dating The desire to push the boundaries has been a motivator in many a daring expedition, testing the human spirit and physical abilities to the utmost. Your chance to have a one-to-one lesson with best-selling language expert Paul Noble, try a FREE audio sample of his brand new Mandarin Chinese course.

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