Onstott, T. C Constraints on the motions of South American and African Shields during the Proterosoic : I 40Ar/39Ar and paleomagnetic correlations between Venezuela and Liberia > bibliogr. p. 1054 ISSN: 00167606 Subjects--Topical Terms: PaléomagnétismeTectoniqueDésamaintation thermique40Ar-39ArPôle géomagnétiqueProtérozoïqueAmphibolitePluton Subjects--Index Terms: Liberia Venezuela