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Article . 2019
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Detección de indio a partir de espectrometría Raman en esfaleritas del depósito epitermal polimetálico Pingüino, Macizo del Deseado, Patagonia

Authors: Jovic, Sebastian Miguel; López, Luciano; Ruiz, Remigio; Guido, Diego Martin;

Detección de indio a partir de espectrometría Raman en esfaleritas del depósito epitermal polimetálico Pingüino, Macizo del Deseado, Patagonia

Abstract

Indium detection by Raman spectometry in sphalerites from Pingüino polymetallic epithermal deposit, Macizo del Deseado, Patagonia. Indium (In), considered as a critical metal, is present in different minerals but the sphalerite is the main source and the most important mineral carrier of this metal. The Pingüino deposit, located in the Argentinian Patagonia, is a polymetallic massive sulphide vein system containing In-bearing sphalerite. Three generation of sphalerite were deposited at different mineralization stages. The most important stage due to the volume of sphalerite and the In content is the second stage, Sphalerite II, with up to 2.56 wt% in In and moderate concentration of copper, iron and cadmium. The introduction of indium and cadmium modifies the sphalerite lattice which can be observed in the Raman spectra as a 325-335 cm-1 peak that can be assigned to the In-S bonds. Raman spectroscopy represents an alternative and novel technique in the determination of substitute cations such as indium and other elements in the crystalline structure. defined as a flat roof-lava rise that was generated by a local inflation process. It is proposed that this cave was formed through the emptying of a cavity with still liquid lava, during an advanced stage of solidification of the inflated structure.

El indio (In), considerado como un metal crítico, está presente en diferentes minerales, pero la esfalerita es la principal fuente y el mineral portador más importante de este metal. En la Patagonia argentina, el depósito Pingüino presenta un sistema de vetas polimetálicas con importantes anomalías de In relacionadas al sulfuro de Zn. Estas vetas contienen pulsos con sulfuros masivos donde se depositaron tres generaciones de esfalerita. El pulso más importante, debido al volumen de esfalerita y el contenido de indio, es la esfalerita del segundo pulso (Sph II), con hasta 2,56% en peso de In, alta concentración de Fe y moderada concentración de Cu y Cd. La introducción de In y Cd en la red del sulfuro de Zn produce modificaciones identificables en los espectros de Raman, a partir del pico de 325-335 cm-1, asignado a los enlaces In-S. La espectroscopía Raman representa una técnica alternativa y novedosa en la caracterización de minerales permitiendo determinar rápidamente la presencia de cationes sustitutos como el In y otros elementos en su estructura cristalina.

Fil: Jovic, Sebastian Miguel. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Recursos Minerales. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto de Recursos Minerales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina

Fil: Guido, Diego Martin. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Recursos Minerales. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto de Recursos Minerales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina

Fil: López, Luciano. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Recursos Minerales. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto de Recursos Minerales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina

Fil: Ruiz, Remigio. YPF - Tecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina

Country
Argentina
Keywords

Pinguino, https://purl.org/becyt/ford/1.5, Esfalerita, Patagonia, Indio, https://purl.org/becyt/ford/1

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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