Table Of Content

TECTONOPHYS— IVoCluSme 238—Nos. 1-4 Special Issue LATE OROGENIC EXTENSION Selected papers from the conference ‘‘Late Orogenic Extension in Mountain Belts”’, held in Montpellier, 4-6 March 1993 Edited by: MICHEL SERANNE Département Sciences de la Terre, Université de Montpellier Il, Montpellier, France and JACQUES MALAVIEILLE Département Sciences de la Terre, Université de Montpellier Il, Montpellier, France LATE OROGENIC EXTENSION CONTENTS I 5s eo ak op ea ae eR a A eck ae wk! I Ne ec eee hs a ea ne, te ea ae a ea aa te Vii The evolution of the Hornelen Basin detachment system, western Norway: implications for the style of late orogenic extension in the southern Scandinavian Caledonides a I i Se a big ge wpa 6 be oe 8 Re a Oe a Le oo OEE Re oe Extension-parallel folding in the Scandinavian Caledonides: implications for late-orogenic processes ee a eae ek a ee ek 6 eck dct ae 618 ee hk Ome bs Os Late Devonian—Carboniferous detachment faulting and extensional tectonics in western Cape Breton Island, Nova Scotia, Canada I a i aa ae ea we geS we ge we ae oee e a me 55 Extensional unroofing of granulitic lower crust and related low-pressure, high-temperature metamorphism in the Saxonian Granulite Massif, Germany i ny ae ia ea ew a A oak ee A ee kOe eK Oe 71 Extensional tectonics in the central Iberian Peninsula during the Variscan to Alpine transition M. Doblas, J. L6pez-Ruiz, R. Oyarzun, V. Mahecha, Y. Sanchez Moya, M. Hoyos, J.-M. Cebria, R. Capote, J.L. Hernandez Enrile, J. Lillo, R. Lunar, A.R amos and A. Sopefia2.... ce. ee.e .ee .te .ee. ee. te .we ee 95 Tectonothermal evolution associated with Variscan crustal extension in the Tormes Gneiss Dome (NW Salamanca, Iberian Massif, Spain) J. Escuder Viruete, R. Arenas and J.R. Martinez Catalan... 2.2... ee et tt ee ee ee es Kinematics of orogenic collapse in the Variscan Pyrenees deduced from microstructures in porphyroblastic rocks from the Lys-Caillaouas massif D.G.A.M. Aerden Sr—Nd isotope and trace-element geochemistry of late Variscan volcanism in the Pyrenees: magmatism in post-orogenic extension? C. Innocent, L. Briqueu and B. Cabanis Magmagenesis associated with extension in orogenic belts: examples from the Himalaya and Tibet S. Inger Recent movements along the Main Boundary Thrust of the Himalayas: normal faulting in an over-critical thrust wedge? J.-L. Mugnier, P. Huyghe, E. Chalaron and G. Mascle The system of extensional structures developed in the late Yanshanian orogeny in the west of Shandong Province, China W. Guiliang, J. Bo, Y. Zhiwei and Y. Shouxun The Tertiary structural and thermal evolution of the Central Alps—compressional and extensional structures in an orogenic belt A. Steck and J. Hunziker Extensional faulting in an intraoceanic subduction complex—working hypothesis for the Palaeogene of the Alps- Apennine system E.H. Hoogerduijn Strating Anatomy of late orogenic extension: the Northern Apennines case J.V.A. Keller, G. Minelli and G. Pialli Tertiary extensional tectonics in Tuscany (Northern Apennines, Italy) L. Carmignani, F.A. Decandia, P.L. Fantozzi, A. Lazzarotto, D. Liotta and M. Meccheri Extensional collapse related to compressional uplift in the Alpine Chain off northern Tunisia (Central Mediterranean) P. Tricart, L. Torelli, A.A rgnani, F. Rekhiss and N. Zitellini Fission track analysis of the crystalline basement rocks of the Calabrian Arc, southern Italy: evidence of Oligo—Miocene late-orogenic extension and erosion S.N. Thomson Cooling and exhumation of the Western Betic Cordilleras, 4°Aar /?°Ar thermochronological constraints on a collapsed terrane P. Monié, R.L. Torres-Roldan and A. Garcfa-Casco The Ronda peridotites (Los Reales nappe): an example of the relationship between lithospheric thickening by oblique tectonics and late extensional deformation within the Betic Cordillera (Spain) J.M. Tubfa Crustal-scale geometry and kinematics of late-orogenic extension in the central Aegean (Cyclades and Ewvia Island) P. Gautier and J.-P. Brun 4°ar Jar thermochronologic constraints on the tectonothermal evolution of the northern East Humboldt Range metamorphic core complex, Nevada A.J. McGrew and L.W. Snee Extension in south-central British Columbia: mechanical and thermal controls M. Bardoux and J.-C. Mareschal Thermal regime and post-orogenic extension in collision belts J.-C. Mareschal