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Uranium-bearing francolites present in organic-rich limestones of NW Greece: a preliminary study using synchrotron radiation and fission track techniques

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dc.contributor.authorTzifas, I. T.
dc.contributor.authorGlasmacher, U. A.
dc.contributor.authorMisaelides, P.
dc.contributor.authorGodelitsas, A.
dc.contributor.authorGamaletsos, P. N.
dc.contributor.authorGoettlicher, J.
dc.contributor.authorFrancoso de Godoy, D. [UNESP]
dc.contributor.institutionAristotle Univ Thessaloniki
dc.contributor.institutionHeidelberg Univ
dc.contributor.institutionUniv Athens
dc.contributor.institutionKarlsruhe Inst Technol
dc.contributor.institutionTech Univ Denmark
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2018-11-26T17:15:42Z
dc.date.available2018-11-26T17:15:42Z
dc.date.issued2017-01-01
dc.description.abstractSynchrotron radiation techniques (mu-XRF and mu-XANES) were applied to the study of organic-rich phosphatized limestones of NW Greece (Epirus). The results revealed uranium accumulation in areas of the material containing, among others, carbonate apatite (francolite) and organic matter. The UL (3)-edge of mu-XANES spectra showed that uranium was present in tetravalent form. U-bearing francolite crystals were separated from the rock and characterized by Raman spectroscopy and microprobe. The analysis of the crystals also indicated the presence of sodium and sulfur. The uranium presence in the crystals was also visualized, after neutron irradiation and etching, by the observation of the fission tracks.en
dc.description.affiliationAristotle Univ Thessaloniki, Dept Chem, Thessaloniki 54124, Greece
dc.description.affiliationHeidelberg Univ, Inst Earth Sci, Res Grp Thermochronol & Archaeometry, Postfach 103980, D-69029 Heidelberg, Germany
dc.description.affiliationUniv Athens, Dept Geol & Geoenvironm, Panepistimiopolis 15784, Zografou, Greece
dc.description.affiliationKarlsruhe Inst Technol, ANKA Synchrotron Radiat Facil, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany
dc.description.affiliationTech Univ Denmark, Ctr Electron Nanoscopy, DK-2800 Lyngby, Denmark
dc.description.affiliationUniv Estadual Paulista, Inst Geociencias & Ciencias Exatas, Dept Petrol & Metalogenia, Av 24-A,1515, BR-13506900 Rio Claro, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Geociencias & Ciencias Exatas, Dept Petrol & Metalogenia, Av 24-A,1515, BR-13506900 Rio Claro, SP, Brazil
dc.description.sponsorshipDAAD
dc.description.sponsorshipBMBF
dc.description.sponsorshipIdDAAD: UNIBRAL: 56265621
dc.description.sponsorshipIdBMBF: 05K13VH1
dc.format.extent465-472
dc.identifierhttp://dx.doi.org/10.1007/s10967-016-4973-4
dc.identifier.citationJournal Of Radioanalytical And Nuclear Chemistry. Dordrecht: Springer, v. 311, n. 1, p. 465-472, 2017.
dc.identifier.doi10.1007/s10967-016-4973-4
dc.identifier.fileWOS000392075200049.pdf
dc.identifier.issn0236-5731
dc.identifier.urihttp://hdl.handle.net/11449/162343
dc.identifier.wosWOS:000392075200049
dc.language.isoeng
dc.publisherSpringer
dc.relation.ispartofJournal Of Radioanalytical And Nuclear Chemistry
dc.relation.ispartofsjr0,470
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectUranium
dc.subjectFrancolite
dc.subjectPhosphatized limestones
dc.subjectRaman
dc.subjectmu-XRF
dc.subjectmu-XANES
dc.subjectFission tracks
dc.titleUranium-bearing francolites present in organic-rich limestones of NW Greece: a preliminary study using synchrotron radiation and fission track techniquesen
dc.typeArtigo
dcterms.licensehttp://www.springer.com/open+access/authors+rights?SGWID=0-176704-12-683201-0
dcterms.rightsHolderSpringer
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Geociências e Ciências Exatas, Rio Claropt
unesp.departmentPetrologia e Metalogenia - IGCEpt

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