Tracing deep carbon cycles
A natural sample that records fluid-rock interactions and Mg isotope fractionation in subduction zones, used to explain Mg isotopic variations in arc magmas.
Wu, Kai · Li, Kan · Zhang, Chang · Chen, Yuxiao · Chen, Kaiyun · Sun, Weidong · Honglin, Yuan
Geochimica et Cosmochimica Acta 2025
δ26Mg range of Liangyazi antigorite-only serpentinites: −0.27 ± 0.03 ‰ to −0.01 ± 0.02 ‰
δ26Mg range of Jianchaling lizardite-only serpentinites: −0.28 ± 0.02 ‰ to −0.13 ± 0.02 ‰