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Título:
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Pseudo-two-girdles c-axis fabric patterns in a quartz-feldspar mylonite (Costabona granodiorite, Canigo massif)
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Autor/a:
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Casas Tuset, Josep Maria
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Otros autores:
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Universitat de Barcelona |
Abstract:
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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. |
Materia(s):
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-Tectònica -Gneis -Canigó (França : Massis) -Tectonics -Gneiss -Canigou Mountains (France) |
Derechos:
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(c) Casas Tuset, Josep Maria, 1982
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Tipo de documento:
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Artículo Artículo - Versión publicada |
Editor:
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Universitat de Barcelona (UB). Institut de Cièncias de la Terra Jaume Almera (ICTJA)
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