Ignimbrite is one of the important type of rocks. If we have to define Ignimbrite in general, Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows. Ignimbrite comes under Igneous Rocks. All Igneous Rocks have similar properties and formation process. Along with Ignimbrite Definition, know more about the History of Ignimbrite, Etymology of Ignimbrite in next sections.