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Title: Pseudo-two-girdles c-axis fabric patterns in a quartz-feldspar mylonite (Costabona granodiorite, Canigo massif)
Author: Casas Tuset, Josep Maria
Keywords: Tectònica
Canigó (França : Massís)
Canigou Mountains (France)
Issue Date: 1982
Publisher: Universitat de Barcelona (UB). Institut de Cièncias de la Terra Jaume Almera (ICTJA)
Abstract: An example of the relationship that exist between the preferred crystaliografic orientation of quartz grains and the attitude of the mylonite foliation of quartz-feldspar mylonites is described. These rocks are the result of the inhomogeneous deformation under low-grade metamorphic conditions of a late Hercynian granodiorite, intruded into the gneisses of the slopes of the Canig massif (Eastern Pyrenees). The Costabona mylonites have a quartz c-axis fabric in pseudo-twogirdles symmetrical with respect to the mylonite foliation and perpendicular to the shearband systems which produce an extensional crenulation of the mylonite foliation.
Note: Reproducció del document publicat a:
It is part of: Acta Geologica Hispanica, 1982, vol. 17, num. 3, p. 151-157
ISSN: 0567-7505
Appears in Collections:Articles publicats en revistes (Dinàmica de la Terra i l'Oceà)

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