What is monzodiorite in geology ?
Monzodiorite : definition
A monzodiorite is a plutonic rock intermediate between monzonite and diorite, equivalent to trachyandesite, also called syenodiorite. It is a grainy rock, usually dark in color, with plagioclases (oligoclase and andesine, representing 60% to 90% of the total feldspars), orthocalse, amphibole, biotite, titanite and various accessory minerals.