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Estudios Geologicos
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Estudios Geologicos
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Estudios Geologicos
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Petrología, evolución geodinámica y georrecursos del Espacio Natural de Sierra Nevada

Petrology, geodynamic evolution and georesources of the Natural Space of Sierra Nevada
Authors: Puga, Encarnación; Díaz de Federico, Antonio; Nieto Liñán, José Miguel; Díaz Puga, Miguel Ángel;

Petrología, evolución geodinámica y georrecursos del Espacio Natural de Sierra Nevada

Abstract

En este trabajo se muestra la distribución espacial de las diferentes formaciones geológicas que forman los Complejos del Veleta y del Mulhacén en el en el Espacio Natural de Sierra Nevada y se ilustran, mediante fotos macroscópicas y microscópicas, sus tipos de rocas mas característicos. Los Complejos del Veleta y del Mulhacén, constituyen las unidades mas profundas de las Cordilleras Béticas y afloran en Sierra Nevada formando los picos de mayor altura de la Península Ibérica. El Complejo del Veleta (CV) está formado por varios miles de metros de micaesquistos con grafito y aflora como una serie de ventanas tectónicas bajo el Complejo del Mulhacén (CM). Este último complejo está formado por dos mantos de corrimiento, de origen cortical, compuestos por basamentos Paleozoicos y coberteras Mesozoicas, entre los cuales está tectonicamente intercalado un manto ofiolítico de edad Jurásico- Cretácica. Dentro de los mantos de origen cortical del CM se encuentran rocas meta-graníticas, generadas por un magmatismo sin-colisional tardi-hercínico y por un vulcanismo, ácido a intermedio, de carácter intraplaca post-colisional. El manto ofiolítico está compuesto por rocas básicas, ultramáficas y sedimentarias, afectadas por metamorfismo de fondo oceánico y por metamorfismo orogénico. Las rocas ultramáficas son serpentinitas y harzburgitas secundarias, que contienen diques basálticos parcialmente rodingitizados y metamorfizados. El metamorfismo alpino desarrolló en el CM facies de eclogitas a las que se superpusieron facies de anfibolitas de Ab-Ep, mientras que en el CV se desarrollaron facies de anfibolitas de Ab-Ep seguidas por facies de esquistos verdes. Las diferentes unidades tectónicas que forman los Complejos del Veleta y del Mulhacén, así como la Formación de Soportújar, que se depositó sobre materiales del CM en una etapa intraorogénica alpina, fueron definidas basándose en las características de algunos afloramientos que están muy bien representados dentro del Espacio Natural de Sierra Nevada. Estos afloramientos constituyen una serie de georrecursos petrológicos que son esenciales para reconstruir el origen y la evolución petrogenética de Sierra Nevada y, por extensión, de la Cordillera Bética. Por esta razón, requieren un grado máximo de preservación, que impida su destrucción y el expolio de las rocas y minerales que los integran.

Country
Spain
Keywords

Espacio Natural de Sierra Nevada, Petrología ígnea y metamórfica, Evolución geodinámica, evolución geodinámica, Nevadofilabride Domain, Dominio Nevadofilábride, patrimonio geológico, Cordillera Bética, Sierra Nevada, petrología ígnea y metamórfica, QE1-996.5, Geology, Igneous and metamorphic petrology, Georesources, Igneous and metamorphic petrologyCordillera, Petrología metamórfica, dominio nevadofilábride, Sierra Nevada Park, Petrología ígnea, Betic Cordillera, cordillera bética, Geodynamic evolution, espacio natural de sierra nevada, Patrimonio geológico

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
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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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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