Petrogenesis of Quaternary Shoshonitic Volcanism in NE Iran (Ardabil): Implication for Postcollisional Magmatism
Figure 3
(a) Pyroxene composition of the Sabalan lavas in Wo-En-Fs diagram. (b) Composition of pyroxenes in a plot of Ti + Cr versus Ca [17], indicating their formation in an arc-related setting.
