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40Ar-39Ar ages of the Basal Complex of La Gomera Island

dc.contributor.authorHerrera, Raquel
dc.contributor.authorHuertas, María José
dc.contributor.authorAncochea, Eumenio
dc.date.accessioned2014-06-04T09:42:49Z
dc.date.available2014-06-04T09:42:49Z
dc.date.issued2008
dc.identifier.urihttp://hdl.handle.net/10272/8252
dc.description.abstractThis essay shows some new dating of the Basal Complex of La Gomera Island and among them, the first ones obtained using the 40Ar-39Ar methodology. Two of them are rocks of the Submarine Edifice. In the first one we obtain an age of 11,49 ± 0,66 Ma by the 40Ar-39Ar method, and in the second one 11,4 ± 1,6 Ma by the K-Ar method. These ages reveal that the volcanic activity of the NW outcroping Submarine Edifice is approximately 11,5 Ma in age, close to the beginning of the Lower Old Edifice activity. The third sample dated also by the 40Ar-39Ar method, is from the only syenitic rocks outcrop of La Gomera (Tamargada syenite); its age, 7,59 ± 0,81 Ma, confirms that these rocks represent the roots of one of the Old Edifice felsic episodes and that they do not belong to a felsic stage contemporary with the submarine growth of the islanden_US
dc.language.isospaen_US
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.otherGeochronologyen_US
dc.subject.otherBasal Complexen_US
dc.subject.otherLa Gomeraen_US
dc.subject.otherCanary Islandsen_US
dc.titleEdades 40Ar-39Ar del Complejo Basal de la isla de La Gomeraen_US
dc.title40Ar-39Ar ages of the Basal Complex of La Gomera Islandeng
dc.typeinfo:eu-repo/semantics/articleen_US
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess


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