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Microinclusiones en casiteritas de distintos tipos de yacimientos del centro-oeste de España.

Microinclusions in cassiterite of different deposits in western Spain
Authors: Murciego, A.; García Sánchez, A.; Martín Pozas, J. M.;

Microinclusiones en casiteritas de distintos tipos de yacimientos del centro-oeste de España.

Abstract

[Resumen] Se incluyen en este estudio casiteritas procedentes de distintos yacimientos de Salamanca y Extremadura que se han seleccionado en función de sus diferentes caracteres: hábito, color, zonaci6n, tipología genética y composición química. Se presenta la descripción microscópica así como la composición química obtenida mediante microsonda de las casiteritas y sus microinclusiones. Cabe destacar una clara relación entre la razón Nb/Ta y el tipo genético. Por otro lado, la razón Fe/Mn es característica propia del ambiente geoquímico de cada yacimiento. Las casiteritas ricas en Nb y Ta contienen microinclusiones de columbo-tantalita, las casiteritas ricas en Ti y Nb, ilmeno-rutilo y columbo-tantalita y las esencialmente, titaníferas , rutilos.

[Abstract] Cassiterites of different deposits in western Spain were selectioned for this study by different characteristics: colour, crystal habit, zonation, genetic type and chemical composition. Microscopic description and Microprobe analysis of cassiterites and microinclusions are presented. There is correlation between columbite-tantalite composition (Nb/Ta) and the genetic type; on the other hand, Fe/Mn depends of geochemical enviroment in ore deposits formation. The Nb-Ta cassiterites contain microinclusions of columbite-tantalite, the Ti-Nb cassiterites microinclusions of ilmeno-rutile and columbite-Tantalite and the Ti-cassiterites, rutiles.

Country
Spain
Related Organizations
Keywords

Western Spain, Centro-Oeste de España, Microinclusion, Microinclusión, Centro-oeste de España, Cassiterites, Casiterita

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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).
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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
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