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Isotope Cosmochemistry and Geochronology Laboratory

Congratulations to Nicole Phelan!

Congratulations to Wadhwa Group member Nicole Phelan, who successfully defended her M. S. thesis June 28, 2023! Mass-independent Isotope Anomalies of Titanium in Carbonaceous Chondrites: Implications for Isotopic Heterogeneity in the Early Solar System The isotopic compositions of meteorites provide valuable insights into the earliest history of our Solar System and, in some cases, provide […]

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New research

This week, members of the Wadhwa Group are presenting new findings at the annual Lunar and Planetary Science Conference (LPSC) held in Houston, Texas. The presented research covers a range of topics in meteoritics and cosmochemistry, including carbonaceous chondrites, water on Mars, mineralogy, and isotope geochemistry. Click on the abstract title links below to learn […]

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Undergraduate student presents new research on lunar meteorite

At this year’s NASA Space Grant Sudent Poster Session, undergraduate student Christian Kroemer presented his analysis of minerals that form under high pressure and temperature conditions, including tissingtite-II, corundum, silica, and olivine to explore the formation and impact processes of lunar meteorite Northwest Africa 13967. The poster session highlights the research of Space Grant Students […]

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New paper on chondrite meteorites

Wadhwa Group Ph.D. student Nicole Phelan is first author of a new research paper released in the journal Geochimica et Cosmochimica Acta, titled "A 187Re-187Os, 87Rb-86Sr, highly siderophile and incompatible trace element study of some carbonaceous, ordinary and enstatite chondrite meteorites". "The focus of the study is to link the variations observed in the HSE […]

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ASU scientists have key roles in Mars sample collection and return

NASA’s Mars 2020 Perseverance rover is the most sophisticated rover NASA has ever sent to the red planet. One of the main tasks of this mission is to collect carefully selected and documented rock and sediment samples for future return to Earth. Once collected, NASA’s Mars Sample Return (MSR) program will be responsible for bringing […]

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