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Fig. 4 | Swiss Journal of Geosciences

Fig. 4

From: The role of the antigorite + brucite to olivine reaction in subducted serpentinites (Zermatt, Switzerland)

Fig. 4

a Meta-mafic dyke generation1 crosscutting the chromite foliation with an olivine-rich and spinel-poor halo. b Serpentinite containing several meta-dyke (vein) generations (sample ME, see Fig. 2 for position) (Hammer scale length, ~ 60 cm). c Meta-pyroxenite dyke (vein) mostly serpentinized containing relic pyroxene (Euro coin 2.3 cm diameter). d Metarodingites showing the typical assemblage diopside, grossular and epidote in the core and chlorite at the rim together with titanite and calcite (Fig. 2). e Ti-chondrodite vein (meta-Ti-gabbro/basalt dyke) in serpentinite (sample 14). f Mt-mesh from serpentinized mantle olivine and antigorite pseudomorph after orthopyroxene (sample ME). g Andradite-uvarovite and diopside finely disseminated in partially replaced Cr-magnetite (sample FA)

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