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Keywords from Image Description:
Zermatt schists. Two types of schist in the Zermatt zone in the Penninic nappes the larger part of the picture shows Tsazenappe pelitic schists with quartz bands Topmost part of the picture has green serpentinite lithology part of large boudin Swiss armyknife cm for scale location Colle del Turlo Valle di Gressoney Italy Own Woudloper