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±0.58Ma) agrees with a recent 40Ar/39Ar age, 14.34±0.04Ma, 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. © 2005 Elsevier Ltd. All rights reserved.396665668Balestrieri, M.L., Bigazzi, G., Bouška, V., Labrin, E., Hadler Neto, J.C., Kitada, N., Osorio Araya, A.M., Zúñiga, A., Potential glass age standards for fission-track dating: An overview (1998) Advances in Fission-Track Geochronology, pp. 287-304. , P. Van den haute F. De Corte Kluwer Academic Publishers DordrechtBigazzi, G., Guedes, S., Hadler Neto, J.C., Iunes, P.J., Oddone, M., Osorio Araya, A.M., Paulo, S.R., Zúñiga, A., Potentialities and practical limitations of an absolute neutron dosimetry using thin films of uranium and thorium applied to the fission track method (1999) Radiat. Meas., 31, pp. 651-656Bouška, V., (1994) Moldavites. The Czech tektites, , Stylizace PragueGleadow, A.J.W., Fission track dating methods: What are the real alternatives? (1981) Nucl. Tracks, 5, pp. 3-14Guedes, S., Hadler Neto, J.C., Iunes, P.J., Zúñiga, A., Tello, S.C.A., Paulo, S.R., The use of the U(n,f) reaction dosimetry in the determination of the λf value through fission-track techniques (2003) Nucl. Instrum. Methods Phys. Res. A, 496, pp. 215-221Holden, N.E., Hoffman, D.C., Spontaneous fission half-lives for ground-state nuclides (2000) Pure Appl. Chem., 72, pp. 1525-1562Hurford, A.J., Standardization of fission track dating calibration: Recommendation by the Fission-Track Working Group of the IUGS subcommission on Geochronology (1990) Chem. Geology (Isot. Geosci. Section), 80, pp. 171-178Hurford, A.J., Zeta: The ultimate solution or just an interim measure? (1998) Advances in Fission-Track Geochronology, pp. 19-32. , P. Van den haute F. De Corte Kluwer Academic Publishers DordrechtHurford, A.J., Green, P.F., The Zeta age calibration of fission track dating (1983) Chem. Geol. (Isot. Geosci. Section), 1, pp. 285-317Iunes, P.J., Hadler Neto, J.C., Bigazzi, G., Tello, S.C.A., Guedes, S., Paulo, S.R., Durango apatite fission-track dating using length-based age corrections and neutron fluence measurements by natural thorium thin films and natural U-doped glasses calibrated through natural uranium thin films (2002) Chem. Geol., 187, pp. 201-211Lange, J.-M., Bollinger, H., Horn, P., Jessberger, E.K., Schaaf, P., Storzer, D., Moldavites from Lusatia (Germany) III: Sr isotope, 40Ar/ 39Ar, and fission track studies (1995) 26th Lunar and Planetary Science Conference, pp. 823-824Laurenzi, M.A., Bigazzi, G., Balestrieri, M.L., Bouška, V., 40Ar/39Ar laser probe dating of the Central European tektite-producing impact event (2003) Meteor. Planet. Sci., 38, pp. 887-894McDowell, F.W., Keizer, R.P., Timing of mid-tertiary volcanism in the Sierra Madre occidental between Durango city and Mazatlan, Mex (1977) Geol. Soc. Am. Bull., 88, pp. 1479-1487Schwarz, W.H., Lippolt, H.J., Coeval 40Ar/39Ar ages of moldavites from the Bohemian and Lusatian strewn fields (2002) Meteor. Planet. Sci., 37, pp. 1757-1763Spadavecchia, A., Hahn, B., Die Rotationskammer und einigen Anwendungen (1967) Helv. Phys. Acta, 40, pp. 1063-1069Staudacher, T., Jessberger, E.K., Dominik, B., Kirsten, T., Schaeffer, O.A., 40Ar/39Ar ages of rocks and glasses from the Nördlinger Ries crater and the temperature history of impact breccias (1982) J. Geophys., 51, pp. 1-11Storzer, D., Poupeau, G., Ages-plateaux de minéraux et verres par la méthode des traçes de fission (1973) Comp. Rend. Acad. Sci. Paris, 276 (500), pp. 137-139Storzer, D., Jessberger, E.K., Kunz, J., Lange, J.-M., Synopsis von spaltspuren- und kalium-argon-datierungen an ries-impaktgläsern und Moldaviten (1995) Exkurs. F. U. Veröfftl. GGW, 195, pp. 79-80