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7 p, 814.7 KB

Geological Setting of the Roses Granodiorite (E-Pyrenees, Spain) / Carreras i Raurell, Jordi, 1946- (Universitat de Barcelona. Departament de Petrologia i Geoquímica) ; Losantos Sistach, Mariona (Universitat de Barcelona. Departament de Petrologia i Geoquímica)
The Hercynian-aged Roses Granodiorite displays a heterogeneously developed gneissic-mylonitic foliation, developed along bands ranging in width from a few centimeters to about 500 meters. The foliation bands have anastomosing and fanning dispositions, such that the poles to the foliation planes are spread along great circles although a quite regular orientation of the associated mineral elongation lineation is maintained. [...]
La granodiorita hercínica de Roses está heterogeneamente afectada por una foliación gneiso-milonítica, que se desarrolla en bandas cuyo espesor varía desde el orden centimétrico hasta el hectométrico. [...]
1982
Acta geologica hispanica, Vol. 17 Núm. 4 (1982) , p. 211-217

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8 p, 778.8 KB

Inhomogeneous deformation in roses granodiorite, N.E. Spain / Simpson, C. (Brown University (Estats Units d'Amèrica). Department of Geological Sciences) ; Carreras i Raurell, Jordi, 1946- (Universitat de Barcelona. Departament de Petrologia i Geoquímica) ; Losantos Sistach, Mariona (Universitat de Barcelona. Departament de Petrologia i Geoquímica)
Evidence is presented for extreme heterogeneity of deformation intensity in the Rosesgranodiorite during thelate-Hercynian. A weak foliation was first developed and was deflected into a major zone of anastomosing ductile shear zones of variable width and finite strain. [...]
Se pone de manifiesto la extrema heterogeneidad en la intensidad de la deformación que afectó a la grandiorita de Roses durante las fases tardías hercinicas. Se desarrolló en primer lugar, una débil foliación que posteriormente fue retomada en zonas de cizalla dúctiles, anastomosadas, de espesor y deformación finita variables. [...]
1982
Acta geologica hispanica, Vol. 17, Num. 4 (1982) , p. 219-226

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