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U and Th thin film neutron dosimetry for fission-track dating: application to the age standard Moldavite (Articolo in rivista)

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U and Th thin film neutron dosimetry for fission-track dating: application to the age standard Moldavite (Articolo in rivista) (literal)

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Iunes P.D. (1); Bigazzi G (2); Hadler Neto J.C. (1); Laurenzi M.A. (2); Balestrieri M.L. (2); Norelli P. (2); Osorio Araya A.M. (3); Guedes S. (1); Tello S.C.A. (3); Paulo S.R. (4); Moreira P.A.F.P. (1); Palissari R. (1); Curvo E.A.C. (1) (2005)
U and Th thin film neutron dosimetry for fission-track dating: application to the age standard Moldavite
in Radiation measurements; Pergamon-Elsevier Science Ltd., Oxford (Regno Unito)
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

Iunes P.D. (1); Bigazzi G (2); Hadler Neto J.C. (1); Laurenzi M.A. (2); Balestrieri M.L. (2); Norelli P. (2); Osorio Araya A.M. (3); Guedes S. (1); Tello S.C.A. (3); Paulo S.R. (4); Moreira P.A.F.P. (1); Palissari R. (1); Curvo E.A.C. (1) (literal)

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(1) Instituto de Fisica Gleb Wataghin, Universidade Estadual de Campinas, UNICAMP, 13083-970, Campinas--SP, Brazil. (2) Istituto di Geoscienze e Georisorse, CNR, Area della Ricerca di Pisa, Via G. Moruzzi 1, 56124 Pisa, Italy. (3) Departamento de Ciências Ambientais, Universidade do Estado de São Paulo, 19060-900 Presidente Prudente--SP, Brazil. (4) Instituto de Ciências Exatas e da Terra, Universidade Federal do Mato Grosso, UFMT, 78070-900 Cuiabá--MT, Brazil. (literal)

Titolo

U and Th thin film neutron dosimetry for fission-track dating: application to the age standard Moldavite (literal)

Abstract

Neutron dosimetry based on U and Th thin films was used for fission-track dating of the age standard Moldavite, the central European tektite, from the Middle Miocene deposit of Jankov (southern Bohemia, Czech Republic). Our fission-track age (13.98 +/- 0.58 Ma) agrees with a recent 40Ar/39Ar age, 14.34 +/- 0.04 Ma, based on several determinations on Moldavites from different sediments, including the Jankov deposit. This result indicates that the U and Th thin film neutron dosimetry represents a reliable alternative for an absolute approach in fission-track dating. (literal)

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