Crustal melting in the European variscan belt, 20th June 2013, BRGM, Orléans, France 1 Summary Organizing and scientific committee ................................................................................................ 2 Program .......................................................................................................................................... 3 Abstracts......................................................................................................................................... 5 Late Carboniferous-Early Permian-basin metamorphosed by Composite Gabbro-Granodioritic Permian intrusion: P-T-t constraints on the late orogenic evolution of the Sardinian Variscides... 6 Late Carboniferous Transpressional shear-zones in NE Sardinia (Italy): geodynamic implications .................................................................................................................................................... 7 The evolution of the Western Carpathians Variscan granitic rocks: From the Devonian subduction to the Permian rifting ................................................................................................. 8 Wedging and retro-wedging in the southern branch of the Variscan belt: insight of the Maures- Tanneron Massif (SE France).................................................................................................... 10 Microstructural and chemical reappraisal of mineralogical inheritance in partially molten rocks: implication of AMS resetting in granitoids in central Vosges ...................................................... 11 Crustal thinning, migmatites and granite intrusions in the Hercynian belt of South Brittany, France ....................................................................................................................................... 12 Calc-alkaline and peraluminous adakitic plutonism between c. 370 and 310 Ma in the south- Armorican domain: “cherchez la subduction” ............................................................................. 13 Petrogenesis of early-Variscan A-type granites and related albite granites in Brittany (France). 14 Late Carboniferous partial melting, plutonism and deformation in the Variscan segment of the Pyrenees ................................................................................................................................... 15 The Cornubian Batholith: post-convergence tectonics and magmatism in the Variscides of SW England ..................................................................................................................................... 16 Crustal melting in NW and Central Iberia: Crucial role of nappe emplacement during Variscan crustal thickening....................................................................................................................... 17 Typology and regional distribution of the pre-Variscan and Variscan granites and granitoids in the Massif Central, France ........................................................................................................ 18 Multimethod geochronology of polymetamorphism and crustal melting in the Carboniferous Montagne Noire gneiss dome (French Massif Central) .............................................................. 19 Magmatic crustal recycling during the Variscan orogeny: constraints from inherited zircons ..... 20 Modes of partial melting in the Variscan orogen: the Velay example ......................................... 21 First U/Pb dating of rare-element magmatism from the north French Massif Central: A chronological milestone in rare-element events of the Variscan belt .......................................... 22 Upper Carboniferous to Lower Permian mafic tholeiitic magmatism and crustal thermal reworking in the Southern Variscan Realm: Corsica, Sardinia and Eastern Pyrenees ............................... 23 Useful information ......................................................................................................................... 24 How to get to BRGM Orléans ........................................................................................................ 25 BRGM site map ............................................................................................................................ 26 Participants list .............................................................................................................................. 27 Notes ............................................................................................................................................ 30