Talk:Optically stimulated luminescence

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[edit] QUESTIONS

How is optically stimulated luminescence used to date sediments?

I read the following on the BBC news website, concerning the dating of the human footprints in the Americas (article Footprints of 'first Americans' by Paul Rincon - link http://news.bbc.co.uk/1/hi/sci/tech/4650307.stm).

The researchers used radiocarbon dating on shells and animal bones in the sequences and dated mammoth teeth by a technique called electron spin resonance. The sediments themselves were dated by optically stimulated luminescence.