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The ultramafic-hosted Logatchev hydrothermal field (LHF) is characterized by vent fluids, which are enriched in dissolved hydrogen and methane compared with fluids from...赋存于超镁铁质岩中的罗塔切夫热液田（Logatchev Hydrothermal Field, LHF），其标志性特征为喷口流体相较于其他来源的流体，富含溶解氢与甲烷。