Fig.4From: Mid-Cretaceous extensional magmatism in the Alborz Mountains, north Iran; geochemistry and geochronology of Gasht-Masuleh gabbrosA–I Variation diagrams of MgO vs. SiO2, Al2O3, CaO, FeOt, TiO2, Na2O, Ni, Sr and Zr for the Gasht-Masuleh gabbros. The chemistry of the gabbros is compared with the basalts from Abrud (Rezaei et al., 2020) and Talesh-Lahijan (Monsef et al., 2022)Back to article page