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Docta Complutense
Article . 1981
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Relaciones entre ortogénesis y series volcano-sedimentarias en el Macizo de El Caloco (Guadarrama central)

Authors: Fuster Casas, José María; Navidad Fernández De La Cruz, Marina; Villaseca González, Carlos;

Relaciones entre ortogénesis y series volcano-sedimentarias en el Macizo de El Caloco (Guadarrama central)

Abstract

El macizo de El Caloco está constituido por dos formaciones metamórficas de caracteres distintos. Una es fundamentalmente paradcrivada (metapelitas con niveles carbonatados asociados>, con tramos de origen voleano-sedimentarios o subvolcánico (gneises glandulares fémicos) y que se ha denominado «serie fémica heterogénea». Aparecen también metabasitas con clinopiroxeno, granate y plagioclasa, en parte anfibolitizadas. La otra formación es de naturaleza cuarzo-feldespática y está compuesta por ortogneises glandulares y leucogneises de origen mctagranítico. En función de los caracteres petrológicos y geoquimicos interpretamos los ortogneises cuarzo-feldespáticos como representantes de antiguos granitos de dos micas con silicatos de aluminio (granitos tipo 8). El estudio geoquimico pone de manifiesto en las facies más diferenciadas (leucogneises con nidos de turmalina y/o granate> un trend evolutivo de carácter sílico-potásico. Existe un contacto neto y discordante entre ambos conjuntos, encontrándose localmente facies mosqueadas en los esquistos metapelíticos próximos al mismo.

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Spain
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Keywords

Guadarrama central, Metapelitas, Macizo de El Caloco, Sistema Central, El Caloco, Petrología, 552.4(234.1), Formaciones metamórficas, Orotgneises, Leucogneises, Metamorfismo

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This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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