High precision multi-collector 40Ar/39Ar dating of moldavites (Central European tektites) reconciles geochrological and paleomagnetic data
Gianfranco Di Vincenzo Chemical GeologyIn Press, Journal Pre-proof, Available online 22 July 2022 LINK “Highlights • Moldavites are excellent material to be dated by the 40Ar/39Ar method.• 40Ar/39Ar data demonstrate an excellent intra- and inter-sample…
Potassium elemental and isotope constraints on the formation of tektites and element loss during impacts
Tomáš Magna, Yun Jiang, Roman Skála, Kun Wang, Paolo A.Sossi, Karel Žák Geochimica et Cosmochimica ActaAvailable online 28 July 2021 LINK “Potassium elemental and isotope systematics were investigated for a suite of central European tektites…
A scheme for moldavite fluvial abrasion based on observations from a natural river stream
Tomasz Brachaniec Meteoritics & Planetary ScienceVersion of Record online:10 October 2020 LINK “Tektite resistance to fluvial abrasion has become the core issue of several recent papers. Because of contradictory results of barrel observations, the experiment…
Neutron activation analysis of meteorites at the VR-1 training reactor
Milan Stefanik, Martin Cesnek, Lubomir Sklenka, Tomas Kmjec, Marcel Miglierini Radiation Physics and Chemistry Volume 171, June 2020, 108675 LINK “Highlights • Applications of nuclear analytical techniques. • Neutron activation analysis and gamma-spectrometry in interdisciplinary…
An experimental model for the tektite fluvial transport based on the most distal Polish moldavite occurrences
Brachaniec, T. Meteoritics & Planetary Science. doi: 10.1111/maps.13035 LINK “Reworking and redeposition of tektites is a highly complex and multistage geological process including many factors. A tumbling experiment was therefore undertaken with the aim of…
A high-precision 40Ar/39Ar age for the Nördlinger Ries impact crater, Germany, and implications for the accurate dating of terrestrial impact events
Martin Schmieder, Trudi Kennedy, Fred Jourdan, Elmar Buchner, Wolf Uwe Reimold Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 28 September 2017 LINK “40Ar/39Ar dating of specimens of moldavite, the formation of which…
Implications for behavior of volatile elements during impacts—Zinc and copper systematics in sediments from the Ries impact structure and central European tektites.
Rodovská, Z., Magna, T., Žák, K., Kato, C., Savage, P. S., Moynier, F., Skála, R. and Ježek, J. Meteoritics & Planetary Science. doi: 10.1111/maps.12922 LINK “Moldavites are tektites genetically related to the Ries impact structure,…
The behavior of osmium and other siderophile elements during impacts: Insights from the Ries impact structure and central European tektites
Lukáš Ackerman, Tomáš Magna, Karel Žák, Roman Skála, Šárka Jonášová, Jiří Mizera, Zdeněk Řanda Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 27 April 2017 LINK “Impact processes are natural phenomena that contribute…
Cathodoluminescence of moldavites.
Fritzke, B., Götze, J. and Lange, J.-M. Meteoritics & Planetary Science. doi: 10.1111/maps.12852 LINK “A systematic study of a large set of moldavites and the application of cathodoluminescence (CL)-spectroscopy with a detailed discussion of spectral…
The fate of moderately volatile elements in impact events—Lithium connection between the Ries sediments and central European tektites.
Rodovská, Z., Magna, T., Žák, K., Skála, R., Brachaniec, T. and Visscher, C. Meteoritics & Planetary Science. doi: 10.1111/maps.12733 Version of Record online: 3 OCT 2016 LINK “Lithium abundances and isotope compositions are presented for…
Mid-Infrared Bi-directional Reflectance Spectroscopy of Impact Melt Glasses and Tektites
Andreas Morlok, Aleksandra Stojic, Iris Weber, Harald Hiesinger, Michael Zanetti, Joern Helbert Icarus In Press, Accepted Manuscript, Available online 22 June 2016 LINK “We have analyzed 14 impact melt glass samples, covering the compositional range…
Chemistry of Tertiary sediments in the surroundings of the Ries impact structure and moldavite formation revisited
Karel Žák, Roman Skála, Zdeněk Řanda, Jiří Mizera, Kurt Heissig, Lukáš Ackerman, Jana Ďurišová, Šárka Jonášová, Jan Kameník, Tomáš Magna Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 2 February 2016 doi:10.1016/j.gca.2016.01.025 LINK
Two new discovery of parautochthonous moldavites in southwestern Poland, Central Europe
Brachaniec, T., Szopa, K. and Karwowski, Ł. (2015), Meteoritics & Planetary Science. doi: 10.1111/maps.12504 LINK