Behavior of lithium isotopes in subduction zone mantle

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This study aimed to decipher parameters of lithium partitioning and lithium isotope fractionation between mantle olivine and aqueous fluid, in terms of experimental petrology, in order to understand chemical interaction between surficial and mantle materials in deep subduction zone, which has defined a chemical evolution of the Earth. Lithium isotopic compositions obtained from synthesized olivines suggested that the subduction-zone mantle could have been more significantly fractionated in lithium isotope, rather than expected by previous studies.