Scientists at the European Geochronology Center have announced a major breakthrough in archaeological dating with the successful implementation of Calcium-41 (41Ca) isotopic analysis. This new methodology allows researchers to date bone fragments and limestone-encrusted lithic tools that fall beyond the range of traditional radiocarbon dating and the resolution limits of Uranium-Thorium techniques.
Applied to the Le Moustier site in the Dordogne Valley, this technique has pushed back the arrival of specialized Levallois toolkits by nearly 30,000 years, establishing a new baseline for Neanderthal technological evolution in Western Europe. The precision of 41Ca dating is expected to revolutionize our understanding of Middle Pleistocene population dispersals and the timing of technological transitions across the Eurasian continent.