Center for Meteorite Studies

  Daniel DunlapDaniel Dunlap (Ph.D. Candidate, School of Earth and Space Exploration) B.S., University of Tennessee (2013) – Daniel's current research involves the use of short-lived radionuclides such as Al/Mg and Mn/Cr to investigate the  timing of melting and differentiation on early forming asteroids and planetesimals.  Many of these bodies began forming very early in the Solar System’s history, and were host to igneous processing within as little as a million years or so of Solar System formation.  By placing time constraints on these events, Daniel hopes to better comprehend the formational timeline of the rocky bodies in our Solar System.

Emilie DunhamEmilie Dunham (Ph.D. Candidate, School of Earth and Space Exploration) B.S., Case Western Reserve University (2014) – Emilie's research focuses on measuring the rare earth element (REE) abundances of Martian basaltic meteorites to determine their formation history and composition of the parent magma. She is also analyzing beryllium and boron isotopes in refractory materials from primitive meteorites in order to better constrain the processes that occurred in the extreme environment predating planetary formation in the early Solar System.

Soumya RaySoumya Ray (Ph.D. Student, School of Earth and Space Exploration) M.Sc. University of Delhi (2012) – Soumya is measuring the Fe isotope fractionation in achondrite meteorites, as well as analyzing their Si isotope composition, in the ultra clean Isotope Cosmochemistry and Geochronology Laboratory. Her Fe isotope work on aubrites, in particular, has provided new insight into the formation of metal nodules in these unique meteorites.

Gabriel FrancoGabriel de Souza Franco (Ph.D. Student, School of Earth and Space Exploration) M.Sc. Universidade de Brasilia (2017) – Gabriel's research in the Center involves the search for calcium-aluminum-rich inclusions with fractionation and unidentified nuclear isotope anomalies (FUN CAIs), as well as the chronology of these first solids to condense in the early Solar System, using isotope systems such as U-Pb and Al-Mg.

Zachary TorranoZachary Torrano (Ph.D. Candidate, School of Earth and Space Exploration) B.S. University of Notre Dame (2015) – Zack measures the isotopic composition of calcium-aluminum-rich inclusions (CAIs), which were the first solids formed in the early Solar System and therefore preserve a record of the earliest epoch in the evolution of the solar protoplanetary disk. His work includes Cr, Ti, and Mg stable isotope analyses to investigate the heterogeneity of the CAI-forming region. Future Pb-Pb and Al-Mg analyses will provide high-resolution constraints on formation timescales for these solids.

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Meteorite of the Month

Benguerir

November’s meteorite of the month is Benguerir, an (LL6) ordinary chondrite that fell in Morocco in 2004. According to the Meteoritical Bulletin (MB 89): A meteorite shower was witnessed to …


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