Trace element distribution in coarse-grained Ca-Al-rich inclusions by femtosecond LA-ICP-MS: Implications for U-Pb chronology

Merel E. Onderwater, Elishevah M. M. E. van Kooten, Glenn J. MacPherson +2

Calcium-aluminium-rich inclusions (CAIs) in chondrites are the first solids that formed in the Solar System, as established by U-Pb chronology. After initial condensation, coarse-g…