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Bioestratigrafía de las pizarras ordovícicas en la Sierra de Tamames (Sinclinal de Sequeros-Ahigal de los Aceiteros, prov. Salamanca)

Authors: Gutiérrez-Marco, J. C.; Rábano Gutiérrez del Arroyo, Isabel;

Bioestratigrafía de las pizarras ordovícicas en la Sierra de Tamames (Sinclinal de Sequeros-Ahigal de los Aceiteros, prov. Salamanca)

Abstract

[ES] Se estudian los fósiles procedentes de cuatro localidades situadas en la unidad denominada informalmente «Pizarras de La Bastida>, entre los que se determinan diversos trilobites, graptolitos, braquiópodos y moluscos de edad comprendida entre el Llanvirn inferior y el Llandeilo inferior. Los resultados del estudio bioestratigráfico permiten establecer la correlación de esta unidad con otras formaciones similares de la Zona Centro-ibérica. Asimismo, nuevos hallazgos de graptolitos en la sucesión silúrica del sinclinal de Sequeros indican por primera vez una edad Llandovery interior (Zonas triangulatus a magnus) para la parte inferior de la unidad discordante sobre las pizarras ordovícicas.

[EN] Trilobites, graptolites, brachiopods and mollusks collected in four localities of the unity informally named as «La Bastida Shales» are studied, in ages ranging between Lower Llanvirn and Lower Llandeilo. The biostratigraphical study allows correlate this unity with other similar Formations of the Central-Iberian Zone. New findings of graptolites in the Silurian succession of the Sequeros syncline indicate, for the first time, a Lower Llandovery age (triangulatus to magnus Zones) for the lower portion ot the unity discordant over the Ordovician shales.

13 páginas, 1 figura.

Peer reviewed

Keywords

Capas con Tristani, Salamanca, España, Ordovician, Biostratigraphy, Macizo Hespérico, Correlation, Llandeilo, Llanvirn, Central Iberian Zone, Spain, Tristani beds, Correlaciones, Hesperian Massif, Zona Centro-ibérica, Ordovícico

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selected citations
These citations are derived from selected sources.
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).
BIP!Citations provided by BIP!
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.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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