The Emplacement of the Peridotite Nappe of New Caledonia and Its Bearing on the Tectonics of Obduction
The emplacement of the Peridotite Nappe of New Caledonia and its bearing on the tectonics of obduction: Pierre Gautier, Benoît Quesnel, Philippe Boulvais, Michel Cathelineau To cite this version: Pierre Gautier, Benoît Quesnel, Philippe Boulvais, Michel Cathelineau. The emplacement of the Peridotite Nappe of New Caledonia and its bearing on the tectonics of obduction: . Tectonics, American Geophysical Union (AGU), 2016, 35 (12), pp.3070-3094. 10.1002/2016TC004318. insu- 01411326 HAL Id: insu-01411326 https://hal-insu.archives-ouvertes.fr/insu-01411326 Submitted on 3 Jan 2017 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. PUBLICATIONS Tectonics RESEARCH ARTICLE The emplacement of the Peridotite Nappe 10.1002/2016TC004318 of New Caledonia and its bearing Key Points: on the tectonics of obduction • Compressional structures characterize the internal deformation of the Pierre Gautier1 , Benoît Quesnel1,2 , Philippe Boulvais1, and Michel Cathelineau2 Peridotite Nappe of New Caledonia • The nappe has been emplaced in a 1Université Rennes 1, CNRS, Géosciences Rennes UMR 6118, OSUR, Rennes, France, 2Université de Lorraine, CNRS, CREGU, context of crustal-scale contraction driven by oblique convergence GeoRessources lab, Vandoeuvre-lès-Nancy, France • Obduction involved synconvergence exhumation of HP-LT rocks in a fold nappe rising through the rear part of Abstract The Peridotite Nappe of New Caledonia is one of the few ophiolites worldwide that escaped the orogen collisional orogeny after obduction.
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