Granodiorite is one of the important type of rocks. If we have to define Granodiorite in general, Granodiorite is a coarse-grained intrusive igneous rock containing quartz and plagioclase, and which has composition in between granite and diorite. Granodiorite comes under Igneous Rocks. All Igneous Rocks have similar properties and formation process. Along with Granodiorite Definition, know more about the History of Granodiorite, Etymology of Granodiorite in next sections.