Dating archaeological deposits

Four main methods have been used in Willandra archaeology.

This well known method was the first technique that became available for accurate dating of old materials.

Dates above and below a location provide minimum and maximum age determinations according to the law of superimposition.

Thermoluminescence is a similar technique to optical dating, but uses heat instead of light to stimulate the minerals.

When the grain is exposed to intense light of particular wavelengths in the laboratory, it emits a light signal with an intensity proportional to the radiation it has absorbed while buried.This technique can determine ages between a few hundred years to more than 100,000 years.


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