Multi-collector 40Ar/39Ar dating of microtektites from Transantarctic Mountains (Antarctica): a definitive link with the Australasian tektite/microtektite strewn field
Gianfranco Di Vincenzo, Luigi Folco, Martin D.Suttle, Lauren Brase, Ralph P. Harvey Geochimica et Cosmochimica Acta Available online 5 February 2021 LINK “Microtektites represent high-velocity/distal meteorite impact ejecta. Demonstrating that microtektites found at several locations…
Australasian microtektites across the Antarctic continent: Evidence from the Sør Rondane Mountain range (East Antarctica)OPEN ACCESS
Bastien Soens, Matthias van Ginneken, Steven Goderis Geoscience FrontiersAvailable online 2 February 2021 LINK (OPEN ACCESS) “Highlights • Discovery of microtektites (n = 33) on the eastern Antarctic continent.• Physicochemical properties consistent with the Australasian strewn field.•…
New fission-track ages of australasian tektites define two age groups: Discriminating between formation and reset ages
John A. Westgate, Bradley J. Pillans, Brent V. Alloway, Nicholas J.G. Pearce, Peter Simmonds Quaternary GeochronologyAvailable online 27 November 2020 LINK “Highlights • The studied tektites from across the Australasian strewn field fall into two…
3D X-ray tomographic analysis reveals how coesite is preserved in Muong Nong-type tektitesOPEN ACCESS
Matteo Masotta, Stefano Peres, Luigi Folco, Lucia Mancini, Pierre Rochette, Billy P. Glass, Fabrizio Campanale, Nicolas Gueninchault, Francesco Radica, Sounthone Singsoupho & Enrique Navarro Scientific Reports volume 10, Article number: 20608 (2020) LINK (OPEN ACCESS)PDF…
In situ occurrence of Muong Nong-type Australasian tektite fragments from the Quaternary deposits near Huai Om, northeastern ThailandOPEN ACCESS
Toshihiro Tada, Ryuji Tada, Praphas Chansom, Wickanet Songtham, Paul A. Carling & Eiichi Tajika Progress in Earth and Planetary Science, Volume 7, Article number: 66 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “There are several reports…
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…
Sr-Nd-Pb isotope systematics of Australasian tektites: Implications for the nature and composition of target materials and possible volatile loss of Pb
Lukáš Ackerman, Karel Žák, Roman Skála, Jan Rejšek, Šárka Křížová, Josh Wimpenny, Tomáš Magna Geochimica et Cosmochimica Acta LINK “The Australasian tektite (AAT) strewn field is the largest strewn field on the Earth with about…
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…
Australasian impact crater buried under the Bolaven volcanic field, Southern LaosOPEN ACCESS
Kerry Sieh, Jason Herrin, Brian Jicha, Dayana Schonwalder Angel, James D. P. Moore, Paramesh Banerjee, Weerachat Wiwegwin, Vanpheng Sihavong, Brad Singer, Tawachai Chualaowanich, and Punya Charusiri PNAS first published December 30, 2019 LINK (OPEN ACCESS)…
Evidence for subsolidus quartz-coesite transformation in impact ejecta from the Australasian tektite strewn fieldOPEN ACCESS
Fabrizio Campanale, Enrico Mugnaioli, Luigi Folco, Mauro Gemmi, Martin R.Lee, Luke Daly, Billy P.Glass Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 21 August 2019 LINK (OPEN ACCESS) “Highlights • SEM and μRaman…
Ultraprecise age and formation temperature of the Australasian tektites constrained by 40Ar/39Ar analyses
Fred Jourdan, Sebastien Nomade, Michael T. D. Wingate, Ela Eroglu, Al Deino Meteoritics & Planetary Science First Published: 29 May 2019 LINK “The Australasian tektites are quench melt glass ejecta particles distributed over the Asian,…
Australites. Part 2: early Aboriginal perception and useOPEN ACCESS
Philip A. Clarke JOURNAL OF ASTRONOMICAL HISTORY AND HERITAGE, 22 (1), 155-178 (2019) PDF (OPEN ACCESS) “This paper reviews the Indigenous perception and use of australites as recorded in the Australian ethnographic literature. Aboriginal people…
Australites. Part 1: Aboriginal involvement in their discoveryOPEN ACCESS
Philip A. Clarke JOURNAL OF ASTRONOMICAL HISTORY AND HERITAGE, 21 (2&3), 115-133 (2018) PDF (OPEN ACCESS) “European scholars first believed that australites had been formed either volcanically or through lightning strikes, but they later recognised…
A new type of highly-vaporized microtektite from the Transantarctic MountainsOPEN ACCESS
M. Van Ginneken, M.J. Genge, R.P. Harvey Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 6 March 2018 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We report on the discovery of microtektites (microscopic impact…
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…
New clues from Earth’s most elusive impact crater: Evidence of reidite in Australasian tektites from Thailand
Aaron J. Cavosie; Nicholas E. Timms; Timmons M. Erickson; Christian Koeberl Geology (2017) https://doi.org/10.1130/G39711.1 Published:December 20, 2017 LINK “Australasian tektites are enigmatic drops of siliceous impact melt found in an ~8000 × ~13,000 km strewn…
Australasian microtektites: Impactor identification using Cr, Co and Ni ratios
L. Folco, B.P. Glass, M. D’Orazio, P. Rochette Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 20 November 2017 LINK “Impactor identification is one of the challenges of large-scale impact cratering studies due…
Hydrocode modeling of the spallation process during hypervelocity impacts: Implications for the ejection of Martian meteoritesOPEN ACCESS
Kosuke Kurosawa, Takaya Okamoto, Hidenori Genda accepted for publication in Icarus PDF (OPEN ACCESS) “Hypervelocity ejection of material by impact spallation is considered a plausible mechanism for material exchange between two planetary bodies. We have…
On the Nature of the Ni-rich Component in Splash-form Australasian Tektites
Steven Goderis, Roald Tagle, Jörg Fritz, Rainer Bartoschewitz, Natalia Artemieva Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 9 August 2017 LINK “The Australasian tektite strewn field is exceptional, not only as the…
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,…
New insights on petrography and geochemistry of impactites from the Lonar crater, India.
Ray, D., Upadhyay, D., Misra, S., Newsom, H. E. and Ghosh, S. Meteoritics & Planetary Science. doi: 10.1111/maps.12881 LINK “The Lonar impact crater, India, is one of the few known terrestrial impact craters excavated in…
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…
Impact ejecta at the Paleocene-Eocene boundary
Morgan F. Schaller, Megan K. Fung, James D. Wright, Miriam E. Katz, Dennis V. Kent Science 14 Oct 2016: Vol. 354, Issue 6309, pp. 225-229 DOI: 10.1126/science.aaf5466 LINK “Extraterrestrial impacts have left a substantial imprint…
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…
