Publication: Leucogranitos orientados de Peñalba de Ávila (S.C.E.)
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1985
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Seminario de Estudos Galegos. Area de Xeoloxía e Minería ; Instituto Universitario de Xeoloxía "Isidro Parga Pondal"
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Abstract
Se estudia desde el punto de vista petrológico y estructural el conjunto de leucogranitos orientados, presentes en el borde norte del Sistema Central, en la provincia de Ávila. Son leucogranitos de carácter peraluminico, ricos en andalucita y con elevado desarrollo,pegmatoide asociado. Muestran una intensa orientacion de su fábrica como consecuencia de la deformación hercínica. Intrusivos sobre este conjunto, aparecen algunos diques de carácter leucográniticos carentes de orientación, relacionables con manifestaciones magmáticas tardías.
From the point of view petrological and structural it is studied the deformated leucogranites present on the north border of the Central System in the Avila province. The leucogranites are of peraluminous character, rich on andalucita, with a high development of pegmatitic associated. These leucogranites show a very intensive orientation of its fabric as consecuence of the hercynian deformation. Over the whole assembly appear intruded some dike af leucograniticrated character who has not fabric orientation and probably they are in relation with the last magmatic events.
From the point of view petrological and structural it is studied the deformated leucogranites present on the north border of the Central System in the Avila province. The leucogranites are of peraluminous character, rich on andalucita, with a high development of pegmatitic associated. These leucogranites show a very intensive orientation of its fabric as consecuence of the hercynian deformation. Over the whole assembly appear intruded some dike af leucograniticrated character who has not fabric orientation and probably they are in relation with the last magmatic events.