Ignimbrite and Greywacke Definition

Definition of Ignimbrite and Greywacke

The general Ignimbrite and Greywacke definition can be stated as: Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows. On the other hand, Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. Along with definition of Ignimbrite and Greywacke, get to know about Properties of Ignimbrite and Greywacke. Get to know more information about Ignimbrite and Greywacke origin and discoverer, etymology and class.

History of Ignimbrite and Greywacke

The history of Ignimbrite and Greywacke gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Ignimbrite and Greywacke Origin and Discoverer

Ignimbrite and Greywacke definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Ignimbrite and Greywacke. In this section, you will know about Ignimbrite and Greywacke Origin and Discoverer. Origin of Ignimbrite is New Zealand whereas Origin of Greywacke is Unknown. It is interesting to know the name of Ignimbrite and Greywacke discoverer. The Discoverer of Ignimbrite is Patrick Marshall and the discoverer of Greywacke is Unknown.

Etymology of Ignimbrite and Greywacke

Along with Ignimbrite and Greywacke definition, know more about the etymology of Ignimbrite and Greywacke. Etymology of Ignimbrite and Greywacke gives information about origin and formation of a particular rock. Know more about Formation of Ignimbrite and Formation of Greywacke. The etymology of Ignimbrite is From Latin ignis fire + imber, imbr- shower of rain, storm cloud + -ite while that of Greywacke is From Latin ignis fire + imber, imbr- shower of rain, storm cloud + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Ignimbrite belongs to Igneous Rocks while Greywacke belongs to Sedimentary Rocks. The sub-class, group and other categories of Ignimbrite and Greywacke are listed below.

For Ignimbrite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Fine grained rock and Opaque rock

For Greywacke,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock