Fig. 9From: Metamorphic gabbro and basalt in ophiolitic and continental nappes of the Zermatt region (Western Alps)a AFM diagram with tholeitic trend from Kuno (1969). Gray shaded field for meta-gabbro. Blue arrow = trend of ZSU basalt and gabbro resulting from metasomatic alteration; b Ti-Mn-P diagram (Mullen, 1983). Yellow symbol = global MORBBack to article page