An in situ study of presolar grains and the fine-grained matrices of the Meteorite Hills 00526 and Queen Alexandra Range 97008 unequilibrated ordinary chondrites
Laura B. Seifert, Pierre Haenecour, Tarunika Ramprasad, Thomas J. Zega MAPSVersion of Record online: 09 July 2023 LINK “Here we report in situ structural and chemical analyses of four presolar grains and the matrices of…
Lithium and boron isotopic compositions of olivine in chondrules from carbonaceous and ordinary chondrite meteorites: implications for the origin of solar 11B/10B ratioOPEN ACCESS
Ming-Chang Liu, Marc Chaussidon, Nozomi Matsuda Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 5 December 2022 LINK (OPEN ACCESS) “The origin of solar 11B/10B ratio ∼4 remains an open question. It has been…
In Situ Constraints on the 60Fe Abundance in the Early Solar System
Kodolányi J., Hoppe P., Vollmer C. 52nd Lunar and Planetary Science Conference (2021), Abstract #1291 PDF “New NanoSIMS analyses of old chondrules (Al-Mg age: 1-2 million years after canonical CAIs) do not find significant in…
Time and Duration of Chondrule Formation: Constraints from 26Al-26Mg Ages of Individual Chondrules
J. Pape, K. Mezger, A.-S. Bouvier, L.P. Baumgartner Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 24 October 2018 LINK “Chondrules from unequilibrated ordinary and carbonaceous chondrites belong to the oldest and most…
Abundance of 60Fe inferred from nanoSIMS study of QUE 97008 (L3.05) chondrules
Ritesh Kumar Mishra, Kuljeet Kaur Marhas, Sameer Earth and Planetary Science Letters, Volume 436 Available online 11 January 2016 LINK “60Fe–60Ni relative chronometry (t1/2=2.62 Mat1/2=2.62 Ma) studies within silicate phases of two chondrules (Ch1b, Ch5)…
187Re-187Os Systematics, Highly Siderophile Element, S-Se-Te Abundances in the Components of Unequilibrated L Chondrites
Yogita Kadlag, Harry Becker Geochimica et Cosmochimica Acta doi:10.1016/j.gca.2015.09.026 In Press, Accepted Manuscript, Available online 9 October 2015 LINK “The 187Re-187Os systematics, abundances of highly siderophile elements (HSE: Re, platinum group elements and Au), Te,…