Chondritic meteorites formed in the early solar system and may tell us about primary processes at that time. Here, Zhang et al. report an absolute 207Pb/206Pb isochron age (4,450±50 Ma) of apatite from a carbonaceous chondrite constraining timing of fluid activity in meteorites.
- Ai-Cheng Zhang
- Qiu-Li Li
- Ru-Cheng Wang