Tin and indium mineralogy within selected samples from the Neves Corvo ore deposit (Portugal): a multidisciplinary study

Benzaazoua, Mostafa; Marion, Philippe; Pinto, A.M.F.R.; Migeon, H.-N.; Wagner, Fritz

doi:10.1016/j.mineng.2003.07.008

Cited by 41 publications

(30 citation statements)

References 4 publications

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“…Most commonly, this element is present as discrete Sn-bearing minerals in sulfide ores (e.g., at Neves Corvo, Portugal; Benzaazoua et al, 2003). Oen et al (1980) indicated that sphalerite and stannite form a limited solid solution series.…”

Section: Element Trendsmentioning

confidence: 99%

Trace and minor elements in sphalerite: A LA-ICPMS study

Cook

Ciobanu

Pring

et al. 2009

Geochimica et Cosmochimica Acta

644

376

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Section: Element Trendsmentioning

confidence: 99%

Trace and minor elements in sphalerite: A LA-ICPMS study

Cook

Ciobanu

Pring

et al. 2009

Geochimica et Cosmochimica Acta

644

376

View full text Add to dashboard Cite

“…Further evidences confirming this hypothesis may come from two sites of southwestern Iberia, namely Llanete de los Moros (Hunt-Ortiz 2003) and Porto das Carretas (Valério et al 2007), where copper ore fragments with tin impurities have also been found. Also, the local presence of Cu/Sn ores (Rovira and Montero-Ruiz 2003), such as stannoidite (Cu 8 (Fe,Zn) 3 Sn 2 S 12 ) and stannite (Cu 2 FeSnS 4 ), both identified in the Iberian Pyrite Belt ore in southern Portugal, in samples respectively from the Neves Corvo (Benzaazoua et al 2003) and from the Lagoa Salgada deposits (Oliveira et al 2009) would strengthen, finally, this assumption.…”

Section: Ortiz 2003)mentioning

confidence: 97%

Non-destructive characterization of archeological Cu-based artifacts from the early metallurgy of southern Portugal

Bottaini

Brunetti

Bordalo

et al. 2017

Archaeol Anthropol Sci

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In this study, Monte Carlo (MC) simulations combined with energy dispersive X-ray fluorescence (EDXRF) spectroscopy have been used to characterize nondestructively a collection of Cu-based artifacts recovered from two archeological sites in southern Portugal: (a) the Chalcolithic E.T.A.R. site of Vila Nova de Mil Fontes and (b) the Middle Bronze Age site of Quinta do Estácio 6. The metal artifacts show a multilayered structure made up of three distinct layers: (a) brownish carbonate soil-derived crust, (b) green oxidized corrosion patina, and (c) bulk metal. In order to assess the reliability of the EDXRF-based Monte Carlo simulations to reproduce the composition of the alloy substrate in archeological bronze artifacts without the need to previously remove the superficial corrosion and soil derived patinas, EDXRF analysis together with scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM-EDS) was also performed on cleaned and patina-/crust-coated areas of the artifacts. Characterization of the mineralogical composition of the corrosion products in the surface patinas was further determined by means of X-ray diffraction (XRD). Results suggest that the adopted EDXRF/Monte Carlo protocol may represent a safe and fast analytical approach in the quantitative characterization of the bulk chemical composition of Cubased metal artifacts even in the presence of fairly thick corrosion patinas and/or soil-derived encrustations at the surface of the archeological objects.

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“…Because the In-Lα (λ = 3.772Å) line experienced interference from the Sn-Lη line (λ = 3.789 Å) [13,53,54], and the Ga-Lα (λ = 11.292 Å) line experienced interference from the In-Lα (λ = 11.316 Å) line [13], 22 ppm In per 1 wt % Sn in stannite, and 500 ppm Ga per 1 wt % In in sphalerite were added to correct for this interference (as per the practice of Ref. [13]).…”

Section: Electron-probe Microanalysesmentioning

confidence: 99%

Indium Mineralization in the Xianghualing Sn-Polymetallic Orefield in Southern Hunan, Southern China

et al. 2017

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Abstract:Although numerous W-Sn-Pb-Zn polymetallic deposits are located in southern Hunan, and In-bearing deposits are related to W-Sn-Pb-Zn polymetallic deposits, Indium mineralization in southern Hunan is poorly studied. In order to investigate the In mineralization of the Xianghualing orefield, which is a typical orefield in southern Hunan, ore bulk chemistry, microscopic observation, and electron-probe microanalysis of vein-type (type-I) and porphyry-type (type-II) Sn-Pb-Zn orebodies were studied. The In contents of the type-I orebodies varies from 0.79 to 1680 ppm (avg. 217 ppm, n = 29), and that of the type-II orebodies varies from 10 to 150 ppm (avg. 64 ppm, n = 10). Although chalcopyrite and stannite contain trace amounts of In, sphalerite is the most important In-rich mineral in the orefield. Sphalerite in type-I orebodies contains from <0.02 to 21.96 wt % In, and in type-II orebodies contains from <0.02 to 0.39 wt % In. Indium-rich chemical-zoned sphalerite contains 7 to 8 wt % In in its core and up to 21.96 wt % In in its rim. This sphalerite may be the highest In-bearing variety in Southern China. The Cd contents of the In-rich sphalerite ranges from 0.35 to 0.45 wt %, which places it in the the "Indium window" of the Cu-In-S phases. The geological and structural features of the Xianghualing orefield indicate that the In mineralization of the two types of In-bearing Sn-Pb-Zn orebodies is related to the volatile-rich, In-rich, A-type granites, and is controlled by the normal faults of magmatic-diapiric activity extensional features.

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Tin and indium mineralogy within selected samples from the Neves Corvo ore deposit (Portugal): a multidisciplinary study

Cited by 41 publications

References 4 publications

Trace and minor elements in sphalerite: A LA-ICPMS study

Trace and minor elements in sphalerite: A LA-ICPMS study

Non-destructive characterization of archeological Cu-based artifacts from the early metallurgy of southern Portugal

Indium Mineralization in the Xianghualing Sn-Polymetallic Orefield in Southern Hunan, Southern China

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