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“We used the same special protocol that had previously worked successfully with the fossil remains of found outside Africa” says Mathieu Duval, member of the Geochronology and Geology Program of the CENIEH and now at the Australian Research Center for Human Evolution at Griffith University (Australia) “By combining direct dating of the piece with a new, more precise paleomagnetic study of the deposits of the stratigraphic unit TD6, it was possible to obtain a dating which is consistent with the previous indirect estimates based on the sediment or fauna associated to the hominin remains”, the researcher adds.
In fact, relatively recently the chronology of the level TD4, where the oldest lithic industries of the site were identified, was successfully refined.
The scheme worked all round the world, without fail.
From the s onwards, geologists noted how fossils became more complex through time.
CENIEH Header Image – Fossils of Homo antecessor found at level TD6 of Gran Dolina /J.
Using relative and radiometric dating methods, geologists are able to answer the occur so slowly that they are barely detectable over the span of a human life.
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In a separate article (Radiometric dating), we sketched in some technical detail how .