Calcium isotope evidence for early Archaean carbonates and subduction of oceanic crust
oleh: Michael A. Antonelli, Jillian Kendrick, Chris Yakymchuk, Martin Guitreau, Tushar Mittal, Frédéric Moynier
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2021-05-01 |
Deskripsi
Phase equilibrium modelling combined with Ca isotope measurements in ancient granitoids demonstrates that subduction of oceanic crust occurred repeatedly throughout the Archaean and that carbonate sediments were present in early Eoarchaean oceans (>3.8 billion years).