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Browsing by Author "Martínez Cotanda, R."
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El desarrollo de la Capa de Arroyofrío (límite Calloviense-Oxfordiense) al Sur de Zaragoza, entre Ricla y Aguilón: bioestratigrafía y facies
Meléndez Hevia, Guillermo; Ramajo Cordero, Javier; Martínez Cotanda, R. (Sociedad Geológica de España, 2005)New biostratigraphic data on the Middle-Upper Jurassic (i.e. Callovian-Oxfordian) boundary bed (the socalled: Arroyofrío Bed), at the South of Zaragoza (NE Iberian Range) show that the Callovian-Oxfordian boundary is ...