Phosphate ages in Apollo 14 breccias: Resolving multiple impact events with high precision U–Pb SIMS analyses

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J.F. Snape, A.A. Nemchin, M.L. Grange, J.J. Bellucci, F. Thiessen, M.J. Whitehouse Geochimica et Cosmochimica Acta Volume 174, 1 February 2016, Pages 13–29 LINK “The U–Pb systems of apatite and merrillite grains within four separate…

Barium Isotope Abundances in Meteorites and Their Implications for Early Solar System Evolution

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K.R. Bermingham, K. Mezger, E.E. Scherer, M. Horan, R. Carlson, D. Upadhyay, T. Magna, A. Pack Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 November 2015 doi:10.1016/j.gca.2015.11.006 LINK “Several nucleosynthetic processes contributed…

Chondrule Formation via Impact Jetting Triggered by Planetary Accretion

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Yasuhiro Hasegawa, Shigeru Wakita, Yuji Matsumoto, Shoichi Oshino accepted for publication in ApJ PDF (full text) abstract Update (Dec 21): LINK “Chondrules are one of the most primitive elements that can serve as a fundamental…

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