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dc.contributor.authorFernández Cortés, Ángel-
dc.contributor.authorCuezva, Soledad-
dc.contributor.authorGarcía Antón, Elena-
dc.contributor.authorGarcía-Guinea, Javier-
dc.contributor.authorSánchez Moral, Sergio-
dc.identifierdoi: 10.1080/00387010.2011.610403-
dc.identifierissn: 0038-7010-
dc.identifiere-issn: 1532-2289-
dc.identifier.citationSpectroscopy Letters, (44) : 474-479 (2011)-
dc.description.abstractSpectra cathodoluminescence (CL) emissions of a stalactite from Castañar cave (west-central Spain) exhibit spatially resolved spectra patterns of Mn2þ and rare earth elements (REE3þ). Although the REE3þ signal is smoothed in the speleothem background sample, the REE-enrichment in some growth layer derives from the presence of cerite, xenotime, monazite, and cerianite in the shale matrix. The spectra CL of both host rock and some calcite-aragonite layers show a wide range of spectral luminescence emissions attributed to REE3þ, mainly Sm3þ, Dy3þ, and Ce3þ. The high Mn2þ-REE3þ anomalies in the inner calcite-aragonite layer could indicate its growth during a phase with stronger weathering of host rock and a more active dynamic hydrology.-
dc.description.sponsorshipThis research was supported by the Spanish Ministry of Science (project CGL2010-17108=BTE) and in agreement with the Scientific Cooperation between the Museo Nacional de Ciencias Naturales (CSIC) and the Department of Industry, Energy and Environment of the Extremadura Autonomous Region (FEOGA ORIENTACION-FEDER funds). A. Fernandez-Cortes benefits from the JAE-Doc Program (CSIC) and S. Cuezva from a Juan de la Cierva fellowship (MICIIN).-
dc.publisherTaylor & Francis-
dc.titleRare Earth Elements in a Speleothem Analyzed by ICP-MS, EDS, and Spectra Cathodoluminescence.-
dc.description.versionPeer Reviewed-
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