High Precision Al-Mg Chronology of Chondrules in Unequilibrated Ordinary Chondrites
Siron G., Kita N. T., Fukuda K., Kimura M., 52nd Lunar and Planetary Science Conference (2021), Abstract #1639 PDF “New analyses of UOC chondrules with a range of mesostasis compositions indicate a restrict range of…
Pb‐Pb ages and initial Pb isotopic composition of lunar meteorites: NWA 773 clan, NWA 4734, and Dhofar 287OPEN ACCESS
R. E. Merle, A. A. Nemchin, M. J. Whitehouse, J. F. Snape, G. G. Kenny, J. J. Bellucci, J. N. Connelly, M. Bizzarro Meteoritics & Planetary ScienceVersion of Record online: 04 August 2020 LINK (OPEN…
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 isotope evidence for rapid accretion and differentiation of planetary embryosOPEN ACCESS
J.N. Connelly, M. Schiller, M. Bizzarro Earth and Planetary Science Letters Volume 525, 1 November 2019, 115722 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Highlights • We report a Pb-Pb age of 4565.47 ± 0.30 Ma…
The promise and potential pitfalls of acid leaching for Pb-Pb chronology
Kengo T.M. Ito, Yuki Hibiya, Yoshitaka Homma, Takashi Mikouchi, Tsuyoshi Iizuka Chemical Geology Volume 525, 20 October 2019, Pages 343-355 LINK “Highlights • We studied the mechanism by which acid leaching separates radiogenic and non-radiogenic…
Pb-Pb Age of the Ungrouped Achondrite Northwest Africa 11119: Timing of Extraterrestrial Silica-Rich Volcanism
D. R. Dunlap, P. K. Koefoed, Y. Amelin, M. Wadhwa, C. B. Agee 49th Lunar and Planetary Science Conference (2018), Abstract #2302 abstract
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…
Pb-Pb and Rb-Sr Dates for Zagami and Northwest Africa 7034 Using CODEX
Anderson F. S. * Levine J. Whitaker T. J. 80th Annual Meeting of the Meteoritical Society 2017 [#6249] abstract (PDF) “We have produced new Pb-Pb dates of Zagami using CODEX, illustrating how in-situ dating can…
Accretion and Disruption Histories of the Ordinary Chondrite Parent Bodies
Edwards G. H. * Blackburn T. Alexander C. M. O’D. 80th Annual Meeting of the Meteoritical Society 2017 [#6367] abstract (PDF) “Discrepant Pb-Pb phosphate ages and Ni-metal metallographic cooling rates for ordinary chondrites may be…
Lead and Mg isotopic age constraints on the evolution of the HED parent body
Martin Schiller, James N. Connelly and Martin Bizzarro Meteoritics & Planetary Science. doi: 10.1111/maps.12848 Version of Record online: 23 MAR 2017 LINK “The large collection of howardite-eucrite-diogenite (HED) meteorites allows us to study the initial…
The Lu Isotopic Composition of Achondrites: Closing the Case for Accelerated Decay of 176Lu
Josh Wimpenny et al. The Astrophysical Journal Letters 2015 ApJ812 L3 LINK “Studies of Lu–Hf isotope systematics in meteorites have produced apparent “ages” that are older than Pb–Pb ages and older than the estimated age…
Pb-Pb dating of individual chondrules from the CBa chondrite Gujba: Assessment of the impact plume formation model
Bollard, J., Connelly, J. N. and Bizzarro, M. Meteoritics & Planetary Science. doi: 10.1111/maps.12461 LINK
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)
High-Precision U-Pb and Pb-Pb Geochronology at UC Davis — First Results for EarlyTime Standards
M.H. Huyskens, M.E. Sanborn and Q.-Z. Yin 46th Lunar and Planetary Science Conference (2015), Abstract #2340 PDF LINK
