The Hercynian intrusive rocks of the Catalonian Coastel Ranges (NE Spain)

P. ENRIQUE

Abstract


The hercynian outcrops of the Catalonian Coastal Ranges (NE Spain) consist mainly of Lower Permian-Upper Carboniferous post-tectonic, epizonal granitoid intrusions which form a typical applutonic calc-alkaline suite ranging from mafic hornblende gabbros andultramafic olivine homblendites through tonalites and granodiorit to leucogranites. This suite displays major andtrace-element characteristics and Sr isotope ratios similar to volcanic arc and post-collision sedimagmatism and is therefore believed to have formed above subducted oceanic lithosphere and to have been modified by contamination with melts from the crust

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