Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/46922
Título : Primeros resultados magnetoestratigráficos del Triásico MedioSuperior (Ladiniense-Karniense) en la Cordillera Ibérica occidental (Cuevas de Ayllón)
Autor : Ruiz, V.C., Sopeña, Alfonso, Rey, D., Villalaín, Juan J. , Gialanella, P.R., Osete, M.L.
Palabras clave : magnetostratigraphy
Ladinian
Karnian
Iberian Ranges
Spain
palaeomagnetism
Magnetostratigraphy
Fecha de publicación : 1999
Citación : Geogaceta, 25: 179-82
Resumen: A magnetostratigraphic investigation on a Middle-Late Triassic section outcropping at Cuevas de Ayllón (westernmost margin of the Iberían Ranges, Spain) has been performed. The section most1y consists of a thick sequence of interbedded mudstones and sandstones. The age of the sampled formation has been established as Ladinian-Karnian on the basis of palynological assemblages. 123 samples were subjected to a progressive thermal demagnetization up to 680º C. A multicomponent magnetization behaviour has been observed. The characteristic component could be isolated from 575-620º C up to 680º C, in 74 samples showed both polarities and allowed to define a consistent magnetic zonation. The data presented wil1 contribute to the construction of a standard polarity sea/e for the Triassic time span.
URI : http://hdl.handle.net/10261/46922
ISSN: 0213683x
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