Table 2. 

Intrusion and HT ages of Pre-Variscan and Variscan rocks dated in the Maures–Tanneron massifs, Corsica, External Crystalline Massifs and the Velay dome

LocalityLithologyMethodAge (Ma)InterpretationReferences
Tanneron massifGranite–gneissU–Pb mon440–410?This study, TGD-05
Argentera massifEclogiteU–Pb zr425HP metamorphismPaquette et al. 1989
Maures massifAmphiboliteRb–Sr WR348 ± 7HT metamorphismInnocent et al. 2003
Maures massifBormes orthogneissU–Pb mon345 ± 3HT metamorphismMoussavou 1998
Maures massifMigmatiteU–Pb mon331 ± 3HT metamorphismMoussavou 1998
Argentera massifMigmatiteU–Pb zr323 ± 12AnatexisRubatto et al. 2001b
Maures massifPlan-de-la-Tour graniteRb–Sr WR334 ± 10Intrusion ageRoubault et al. 1970
Maures massifPlan-de-la-Tour graniteRb–Sr WR313 ± 10Intrusion ageMaluski 1972
Maures massifPlan-de-la-Tour graniteU–Pb zr324 ± 5Intrusion ageMoussavou 1998
Aiguilles Rouges massifMigmatitic metagreywackeU–Pb mon320 ± 1HT metamorphismBussy et al. 2000
Aiguilles Rouges massifMetagreywackeU–Pb mon317 ± 2HT metamorphismBussy & von Raumer 1993
Aar massifCalc-silicate gneissU–Pb tit319 ± 3HT metamorphismSchaltegger et al. 2003
Aar massifMetapelitic layerU–Pb mon317 ± 2HT metamorphismSchaltegger et al. 2003
Tanneron massifMigmatitic paragneissU–Pb mon317 ± 1HT metamorphismThis study, TGD-10
Velay domeMigmatitic paragneissU–Pb mon314 ± 5HT metamorphismMougeot et al. 1997
Aar massifSchöllene dioriteU–Pb rut310 ± 3Crystallization ageSchaltegger & Corfu 1992
Aar massifVoralp graniteU–Pb zr310 ± 4Crystallization ageSchaltegger & Corfu 1992
Tanneron massifMylonitic orthogneissU–Pb mon310 ± 2HT deformationThis study, TGD-02
Tanneron massifLeucogranitic layerU–Pb mon309 ± 5AnatexisThis study, TGD-01
CorsicaMonzograniteU–Pb zr307 ± 2Intrusion agePaquette et al. 2003
CorsicaCalc-alkaline dykeU–Pb zr305 ± 2Intrusion agePaquette et al. 2003
CorsicaAl-rich dykeU–Pb zr304 ± 1Intrusion agePaquette et al. 2003
Mont Blanc massifMont Blanc graniteU–Pb zr304 ± 3Intrusion ageBussy & von Raumer 1993
Velay domeBiotite–cordierite graniteU–Pb mon301 ± 5Intrusion ageMougeot et al. 1997
Tanneron massifRouet graniteU–Pb mon302 ± 4Intrusion ageThis study, TGD-08
Tanneron massifLeucogranitic dykeU–Pb mon297 ± 5Intrusion ageThis study, BOC-01
Maures massifCamarat graniteRb–Sr WR297 ± 5Intrusion ageRoubault et al. 1970
Aar massifAar graniteU–Pb zr296 ± 4Intrusion ageSchaltegger & Corfu 1992
CorsicaGabbro–dioriteU–Pb zr285 ± 1Intrusion agePaquette et al. 2003
CorsicaMeta-dioriteU–Pb zr279 ± 2Intrusion agePaquette et al. 2003
  • mon, monazite; rut, rutile; tit, titanite; WR; whole-rock; zr, zircon.