Olivine experiments provide new insights into lunar basalt formation

Olivine is the earliest mineral to crystallize from basaltic magma, and accurate knowledge of olivine/melt partition coefficients (DOl-melt ) for first-transition row elements (FTREs) Ga and Ge, is required in quantitative modeling of petrogenetic processes in planetary basalts. Numerous experimental studies have focused on this topic, but most investigations concentrated on minor elements found in olivine, and the oxygen fugacities (fO2) in many of these experiments were commonly designed to be similar to those found in Earth’s mantle.

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