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Even so, for the past 5000 years they are less accurate than other dating methods like radiocarbon.

They can be useful for dating early sites and those that don't contain material suitable for radiocarbon or other dating methods.

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Our luminescence dating service is available for researchers in New Zealand and overseas.

Some natural materials such as various stones and soils (and also things made from them, such as pottery and stone tools) absorb or 'trap' naturally occurring electrons from their surroundings.