10.1594/PANGAEA.921458Albers, ElmarElmarAlbers0000-0002-0874-5926Kahl, Wolf-AchimWolf-AchimKahl0000-0003-3342-9893Beyer, LenaLenaBeyerBach, WolfgangWolfgangBach0000-0002-3099-7142PANGAEA2020bruciteclinopyroxeneMariana subduction zonemud volcanismolivineorthopyroxeneperidotiteserpentineserpentinizationspinelsubduction zoneEvent labelSample code/labelSilicon dioxideAluminium oxideChromium(III) oxideIron oxide, FeOMagnesium oxideManganese oxideNickel oxideCalcium oxideOxides, totalSiliconAluminiumChromiumIron 2+ and 3+MagnesiumManganeseNickelMagnesium/Iron ratioLithiumBoronRubidiumStrontiumCaesiumBariumCore drillingElectron microprobe (EMP)Laser ablation, ICP-MSExp366Joides ResolutionIntegrated Ocean Drilling Program / International Ocean Discovery Program (IODP)Dataset10.1594/PANGAEA.92149410.1016/j.lithos.2020.105525413 data pointstext/tab-separated-valuesCreative Commons Attribution 4.0 InternationalNumber of cations based on 6 O. Abbreviations: cpfu, cations per formula unit.147.1001147.1686116.4514966718.11011333