Abad de los Santos, ManuelRosa Díaz, Jesús de laPendón Martín, José GabrielRuiz Muñoz, FranciscoGonzález-Regalado Montero, María LuzTosquella Angrill, Josep2014-10-242014-10-242003http://hdl.handle.net/10272/8973An approach to the geochemical characteristics of the tortonian glaucony horizon cropping out along the northern margin of the Guadalquivir Basin is done in this note. The study of glauconite as well as t he host whole rock allows us to identify the glauconite origin discrimintating between its autochthonous or allochthonous provenance. Results suggest an autochtonous and evolved glauconite derived from a condensed section according to Amorosi (1995) criteriaspaAtribución-NoComercial-SinDerivadas 3.0 Españahttp://creativecommons.org/licenses/by-nc-nd/3.0/es/GeochemicalGlauconiteCondensed sectionTortonianGuadalquivir BasinSW Spainjournal articleopen access