DUCTILE EXTENSION AND VISEO-NAMURIAN PLUTONISMIN THE VOSGES (FRANCE)

P.F. Rey*, J.P. Burg** and J.M. Caron*

*Laboratoire des Sciences de la Terre, ENS Lyon, 69364 LYON Cedex 07,France

**Centre Geologique et Geophysique, USTL, 34095 Montpellier Cedex 05,France

in: C. R. Acad. Sci. Paris (1991), t.312, Serie II, p.1609-1616.

ABSTRACT

The kinematic analysis of the different stuctural units constitutingthe Western Vosges massif shows that this area has recorded southwestwardshear deformation dipping to the SW. In the absence of later regionaltilting or folding, the bulk structure results from an extensional tectonicsinvolving low-angle normal faults and extensional lateral ramps duringa Viseo-Namurian plutonism.

ACKNOWLEDGMENTS

This study was financed by the INSU-CNRS (ATP-ECORS 891705).

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