Fig. 6From: P–T conditions of metabasites within regional metapelites in far-eastern Nepal Himalaya and its tectonic meaningClassification of Ca-amphiboles according to Leake et al. (1997) for metabasites in far-eastern Nepal, based on a (Na + K) in A site-Si diagram and b Mg/(Mg + Fe2+)-Si diagram. Amphibole compositions plotted in c Ti–AlIV diagramBack to article page