Abnormal lithium isotope composition from the ancient lithospheric mantle beneath the North China Craton

Abstract

Lithium elemental and isotopic compositions of olivines in peridotite xenoliths from Hebi in the North China Craton provide direct evidence for the highly variable δ(7)Li in Archean lithospheric mantle. The δ(7)Li in the cores of olivines from the Hebi high-Mg# peridotites (Fo > 91) show extreme variation from -27 to +21, in marked deviation from the δ(7)Li… (More)
DOI: 10.1038/srep04274

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