However, that 18,000-year-old date was based on only a geological analysis of the fossils' surroundings and not on direct analysis of the bones themselves.And the complexity of the cave's geology initially misled the scientists, says Matthew Tocheri, a paleoanthropologist at Lakehead University in Thunder Bay, Ontario, Canada, and a member of the discovery team.
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b) Absolute These methods are based on calculating the date of artefacts in a more precise way using different attributes of materials.
This method includes carbon dating and thermoluminescence.
Liang Bua is a cathedral-like cave with a high domed ceiling.