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Germanium-rich chalcopyrite from the Barrigão remobilised vein deposit, Iberian Pyrite Belt, Portugal

2009Book part Open access
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dc.contributor.authorReiser, Fiona K. M.
dc.contributor.authorGuimarães, Fernanda
dc.contributor.authorPinto, Álvaro M. M.
dc.contributor.authorMatos, João Xavier
dc.contributor.authorCarvalho, João R. S.
dc.contributor.authorde Oliveira, Daniel Pipa Soares
dc.contributor.authorRosa, Diogo
dc.date.accessioned2010-07-09T10:59:10Z
dc.date.available2010-07-09T10:59:10Z
dc.date.issued2009
dc.description.abstractAnomalously high germanium contents have been detected by means of whole-rock trace element analysis in remobilised vein type copper ores from the abandoned Barrigão mine, located in the Iberian Pyrite Belt, southern Portugal. The late-Variscan brecciated copper ores consist manly of chalcopyrite, with minor tennantite, rare pyrite and arsenopyrite. The ores, investigated for elements increasingly used in several thin-film and other semiconductor high-technology applications (e.g. indium, selenium, tellurium and germanium), show germanium contents up to 280 ppm, with an average of 61 ppm from 10 samples. Electron Probe Microanalysis of Barrigão ore samples revealed that germanium is contained in chalcopyrite, with a range of 0.1 to 0.4 wt% (0.23 wt% average). High germanium contents seem to be linked to "dirty" chalcopyrite phases, showing irregular patchy zoning under the microscope and on back-scattered electron images.pt
dc.identifier.citationReiser, Fiona K. M.; Guimarães, Fernanda; Pinto, Álvaro M. M.; Matos, João Xavier; Carvalho, João R. S.; Oliveira, Daniel P. S.; Rosa, Diogo R. N. - Germanium-rich chalcopyrite from the Barrigão remobilised vein deposit, Iberian Pyrite Belt, Portugal. In: Smart Science for Exploration and Mining, Vol. 2, p. 424-426pt
dc.identifier.urihttp://hdl.handle.net/10400.9/837
dc.language.isoengpt
dc.subjectDepósitos mineraispt
dc.subjectGermâniopt
dc.subjectCalcopiritept
dc.subjectCobrept
dc.subjectBarrigão (Concelho de Almodôvar, Portugal)pt
dc.subjectFaixa Piritosa Portuguesapt
dc.titleGermanium-rich chalcopyrite from the Barrigão remobilised vein deposit, Iberian Pyrite Belt, Portugalpt
dc.typebook part
dspace.entity.typePublication
oaire.citation.conferencePlaceTownville, Australiapt
oaire.citation.titleSmart Science for Exploration and Mining : Proceedings of the Tenth Biennal SGA Meeting, 2009pt
person.familyNameGuimarães
person.familyNameXavier Matos
person.familyNamede Oliveira
person.familyNameRosa
person.givenNameFernanda
person.givenNameJoão Manuel
person.givenNameDaniel Pipa Soares
person.givenNameDiogo
person.identifier2216267
person.identifier.ciencia-idFE16-BE78-D4EA
person.identifier.ciencia-idA11D-DDD7-29F2
person.identifier.ciencia-idCC15-B6CC-084A
person.identifier.orcid0000-0001-6961-9256
person.identifier.orcid0000-0002-6108-1030
person.identifier.orcid0000-0002-6338-8845
person.identifier.orcid0000-0003-0160-5215
person.identifier.ridI-4511-2017
person.identifier.scopus-author-id7006112964
rcaap.rightsopenAccesspt
rcaap.typebookPartpt
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relation.isAuthorOfPublicationc61d09b7-2204-4dd9-beb3-5574983ce60c
relation.isAuthorOfPublication37bc3d74-b0fe-4e9b-8e8d-e2eabb196242
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relation.isAuthorOfPublication.latestForDiscoveryc2c84ba4-fe6b-4c34-8a68-ffc0ad4ab352

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