Las diferenciaciones aplíticas cupuliformes en la tonalita de Zarza la Mayor-Ceclavín (Cáceres) y su interpretación petrogenética



This paper deals with the diferentiation phenomen observed in the Zarza La Mayor-Ceclavín pluton (West Spain). From i a petrographical point of wiew the varieties range from aplite-granite types to cuarzodioritic (tonalite) one. This study leads to the conclusion that the granites aplite charac- ter were probably formed by local accumulation in the top of igneous body of volatile components and condensed phases highly richs in H2O.

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