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A new regional group of the Lower Palaeolithic in Brittany (France), recently dated by Electron
Spin Résonance

Abstract : ESR dates obtained at Menez-Dregan 1 (Brittany, France) focus interest on this Lower Palaeolithic site and demonstrate that the preserved anthropic combustion structures are among the oldest known in the world. It allows the dating not only of the little known "Colombanian Group" (it is an "archaic" original group characterized by many choppers and very few handaxes, différent from the Acheulian), but also, for the first time, of the old beaches on the southern coast of Brittany. Preserved bone remains
are also very infrequent in Palaeolithic sites of Western France. The dating of the palaeolithic layer at the top of the third fossil beach can be connected with isotopic stage 11 or the beginningof isotopic stage 10; it shows that the âge of the geological and archaeological layers of Menez-Dregan 1 is probably between 350,000 and 500,000 years
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Jean-Laurent Monnier, Bernard Hallégouet, Stéphan Hinguant, Michel Laurent, Patrick Auguste, et al.. A new regional group of the Lower Palaeolithic in Brittany (France), recently dated by Electron
Spin Résonance. Compte rendus de l'Académie des Sciences de Paris, 1994, 319 (II), pp.155-160. ⟨halshs-00409151⟩

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