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Géochronologie du système de terrasses fluviatiles quaternaires du bassin de la Somme par datation RPE sur quartz, déséquilibres des familles de l'uranium et magnétostratigraphie. : Geochronology of Quaternary fluvial terraces Systemof Somme Basin by ESR dating on quartz, U-series disequilibria method and magnetostratigraphy

Archive ouverte | Laurent, Michel | CCSD

Geochronological study made on Quaternary fluvial terraces of Somme Basin confirmed thé previously established chronostratigraphy of thé lower and middle terraces and placed thé higher terraces in thé Quaternary stratigraphy ...

Thermal behaviour of ESR signals observed in various natural carbonates

Archive ouverte | Bahain, Jean-Jacques | CCSD

The thermal behaviour of the five main ESR lines observed in Quaternary carbonates (g=2.0057, g = 2.0031, g = 2.0018, g = 2.0006 and g = 1.19972) was studied tthrough isochron annealing experiments. As the general rule, ESR lines ...

A new regional group of the Lower Palaeolithic in Brittany (France), recently dated by ElectronSpin Résonance. : le Colombanien, un nouveau groupe régionaldu Paléolithique inférieur de Bretagne récemment datépar résonance paramagnétique électronique

Archive ouverte | Monnier, Jean-Laurent | CCSD

International audience. 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 ...

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