Disparate Pb-isotopic ages of silicate and phosphate minerals in the diabasic angrite Northwest Africa 12320
Chitrangada Datta, Yuri Amelin, Evgenii Krestianinov, Anthony J. Irving, Ian S. Williams IcarusIn Press, Journal Pre-proof, Available online 30 January 2024 LINK “Pb-isotopic dating of the recently discovered diabasic angrite Northwest Africa (NWA) 12320 yielded…
Exploring the efficiency of stepwise dissolution in removal of stubborn non-radiogenic Pb in chondrule U-Pb dating
Renaud Merle, Yuri Amelin, Qing-Zhu Yin, Magdalena H. Huyskens, Matthew E. Sanborn, Kazuhide Nagashima, Katsuyuki Yamashita, Trevor R. Ireland, Alexander N.Krot, Melanie J. Sieber Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 18…
Pb-Isotopic and Initial Sr Ages of the Achondrite NWA 4587
Y. Amelin, E. Rydeblad, E. Krestianinov, M. H. Huyskens, Q,-Z. Yin 50th Lunar and Planetary Science Conference (2019), Abstract #2261 PDF abstract
Reassessing the origin and chronology of the unique achondrite Asuka 881394: Implications for distribution of 26Al in the early Solar System
Josh Wimpenny, Matthew E. Sanborn, Piers Koefoed, Ilsa R. Cooke, Claudine Stirling, Yuri Amelin, Qing-Zhu Yin Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 14 October 2018 LINK “The achondrite Asuka 881394 has…
U-Pb, Rb-Sr and Ar-Ar systematics of the ungrouped achondrites Northwest Africa 6704 and Northwest Africa 6693
Yuri Amelin, Piers Koefoed, Tsuyoshi Iizuka, Vera Assis Fernandes, Magdalena H.Huyskens, Qing-Zhu Yin, Anthony J. Irving Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 27 September 2018 LINK “We report U-Pb, 87Rb-87Sr, 40Ar-39Ar…
Uranium isotope ratios of Muonionalusta troilite and complications for the absolute age of the IVA iron meteorite core
Gregory A. Brennecka, Yuri Amelin, Thorsten Kleine Earth and Planetary Science Letters Volume 490, 15 May 2018, Pages 1–10 LINK “Highlights • Muonionalusta troilite exhibits a range of measured 238U/235U values. • Variable 238U/235U greatly…
Early formation of planetary building blocks inferred from Pb isotopic ages of chondrulesOPEN ACCESS
By Jean Bollard, James N. Connelly, Martin J. Whitehouse, Emily A. Pringle, Lydie Bonal, Jes K. Jørgensen, Åke Nordlund, Frédéric Moynier, Martin Bizzarro Science Advances 09 Aug 2017: Vol. 3, no. 8, e1700407 DOI: 10.1126/sciadv.1700407…
Distinct 238U/235U ratios and REE patterns in plutonic and volcanic angrites: Geochronologic implications and evidence for U isotope fractionation during magmatic processes
François L.H. Tissot, Nicolas Dauphas, Timothy L. Grove Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 July 2017 LINK “Angrites are differentiated meteorites that formed between 4 and 11 Myr after Solar…
Combined 238U/235U and Pb Isotopics of Planetary Core Material: The Absolute Age of the IVA Iron Muonionalusta
Brennecka G. A. * Amelin Y. Kleine T. 79th Annual Meeting of the Meteoritical Society (2016) #6296 LINK
Heterogeneity in the 238U/235U Ratios of Angrites
Tissot F. L. H. * Dauphas N. Grove T. L. 79th Annual Meeting of the Meteoritical Society (2016) #6104 LINK
Uranium isotopic composition and absolute ages of Allende chondrules
Brennecka, G. A., Budde, G. and Kleine, T. (2015), Meteoritics & Planetary Science. doi: 10.1111/maps.12567 LINK “A handful of events, such as the condensation of refractory inclusions and the formation of chondrules, represent important stages…
Early Disk Dynamics Inferred from Isotope Systematics of Individual Chondrules
Bollard J. * Kawasaki N. Sakamoto N. Larsen K. Wielandt D. Schiller M. Connelly J. N. Yurimoto H. Bizzarro M. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5211 abstract (PDF)
The Uranium Isotopic Composition of the Earth and the Solar System
Alexander Goldmann, Gregory Brennecka, Janine Noordmann, Stefan Weyer, Meenakshi Wadhwa Geochimica et Cosmochimica Acta DOI: 10.1016/j.gca.2014.09.008 In Press, Available online 30 September 2014 LINK Abstract Recent high-precision mass spectrometric studies of the uranium isotopic composition…
U-Pb systematics of the unique achondrite Ibitira: Precise age determination and petrogenetic implications
Iizuka T, Amelin Y, Kaltenbach A, Koefoed P and Stirling CH Geochimica et Cosmochimica Acta Volume 132, 1 May 2014, Pages 259–273 LINK
