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Fig. 10

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Diagrammes Concordia Tera–Wasserburg obtenus sur l’apatite (A) et la cassitérite (B) et courbe de probabilité relative des âges apparents 206Pb/238U (si âge < 1000 Ma) ou 207Pb/206Pb (si âge > 1000 Ma) pour les zircons de Charrier (C) ; n correspond au nombre total d’analyses utilisées pour calculer les dates (apatite et cassitérite) ou pour l’établissement de l’histogramme. Les ellipses et les erreurs sont à 2 σ.

Tera–Wasserburg concordia diagrams obtained for apatite (A) and cassiterite (B), and relative probability curve of the 206Pb/238U apparent ages (if age < 1000 Ma) or 207Pb/206Pb apparent ages (if age > 1000 Ma) for the Charrier zircon grains (C); n corresponds to the number of analyses used for calculation. Ellipses and errors are reported at 2 σ.

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