Timescales of Solar System Formation Based on Al–Ti Isotope Correlation by Supernova EjectaOPEN ACCESS
Tsuyoshi Iizuka, Yuki Hibiya, Satoshi Yoshihara, and Takehito Hayakawa The Astrophysical Journal Letters, Volume 979, Number 2 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The radioactive decay of short-lived 26Al–26Mg has been used to estimate the timescales…
Statistical chronometry of meteorites. I. A Test of 26Al homogeneity and the Pb-Pb age of the solar system’s t=0OPEN ACCESS
Steven J. Desch, Daniel R. Dunlap, Emilie T. Dunham, Curtis D. Williams, Prajkta Mane Submitted to Geochimica et Cosmochimica Acta PDF (OPEN ACCESS) Update (published in Icarus, 6 May 2023, with new title): LINK “We…
The Formation of Type B CAIs: Evolution from Type A CAIs
G.J. MacPherson, A.N. Krot, N.T. Kita, E.S. Bullock, K. Nagashima, T. Ushikubo, M.A.Ivanova Geochimica et Cosmochimica ActaAvailable online 7 January 2022 LINK “Five Type A CAIs from three CV3 chondrites (Vigarano, Northwest Africa 3118, Allende),…
A temporal shift of chondrule generation from the inner to outer Solar System inferred from oxygen isotopes and Al-Mg chronology of chondrules from primitive CM and CO chondrites
Kohei Fukuda, Makoto Kimura, Naotaka Tomioka, Guillaume Siron, Takayuki Ushikubo, Noël Chaumard, Andreas T. Hertwig, Noriko T. Kita Geochimica et Cosmochimica ActaAvailable online 31 December 2021 LINK “Deciphering the spatial and temporal evolution of chondrules…
Oxygen and Aluminum-Magnesium Isotopic Systematics of Presolar Nanospinel Grains from CI Chondrite OrgueilOPEN ACCESS
Nan Liu, Nicolas Dauphas, Sergio Cristallo, Sara Palmerini, Maurizio Busso Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 26 November 2021 LINK PDF (OPEN ACCESS) “Presolar oxide grains have been previously divided into several…
Oxygen and Al-Mg isotopic constraints on cooling rate and age of partial melting of an Allende Type B CAI, Golfball
Noriyuki Kawasaki, Shoichi Itoh, Naoya Sakamoto, Steven B. Simon, Daiki Yamamoto, Hisayoshi Yurimoto Meteoritics & Planetary ScienceVersion of Record online: 07 July 2021 LINK “Coarse-grained, igneous Ca-Al-rich inclusions (CAIs) in CV chondrites formed through multiple…
Statistical Chronometry: Anchors Away!
Desch S. J., Dunlap D. R., Williams C. D., Torrano Z. A. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6231) PDF We fit 4 parameters (CAI Pb-Pb ages; solar system initial 53Mn/55Mn,…
Timing and Environment of Chondrule Formation
Kadlag Y. *, Leya I., Mezger K., Bouvier A.-S., Haberthür D., Hlushchuk R. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6060) PDF Combining temporal information (from Al-Mg relative ages) with environment (from…
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…
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…
Fingerprints of the Protosolar Cloud Collapse in the Solar System. I. Distribution of Presolar Short-lived 26Al
Francesco C. Pignatale, Emmanuel Jacquet, Marc Chaussidon, and Sébastien Charnoz The Astrophysical Journal, Volume 884, Number 1 LINK “The short-lived radionuclide 26Al is widely used to determine the relative ages of chondrite components and timescales…
Al-Mg Systematics of Nebular Condensates in the Efremovka CV3 Chondrite
N. Kawasaki, H. Yurimoto 48th Lunar and Planetary Science Conference (2017), Abstract #1091 LINK
High Precision Al-Mg Systematics of Forsterite-Bearing Type B CAIs from CV3 Chondrites
G.J. MacPherson, E.S. Bullock, T.J. Tenner, D. Nakashima, N.T. Kita, M.A. Ivanova, A.N. Krot, M.I. Petaev, S.B. Jacobsen Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 16 December 2016 LINK “In order to…
U-Pb and Al-Mg systematics of the ungrouped achondrite Northwest Africa 7325
Piers Koefoed, Yuri Amelin, Qing-Zhu Yin, Josh Wimpenny, Matthew E. Sanborn, Tsuyoshi Iizuka, Anthony J. Irving Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 1 April 2016 LINK “Northwest Africa (NWA) 7325 is…
