Argillite and Ignimbrite Definition

Definition of Argillite and Ignimbrite

The general Argillite and Ignimbrite definition can be stated as: Argillites are highly compact sedimentary or slightly metamorphosed rocks that consist largely or wholly of particles of clay or silt but lack the fissility of shale or the cleavage characteristic of slate. On the other hand, Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows. Along with definition of Argillite and Ignimbrite, get to know about Properties of Argillite and Ignimbrite. Get to know more information about Argillite and Ignimbrite origin and discoverer, etymology and class.

History of Argillite and Ignimbrite

The history of Argillite and Ignimbrite 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.

Argillite and Ignimbrite Origin and Discoverer

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

Etymology of Argillite and Ignimbrite

Along with Argillite and Ignimbrite definition, know more about the etymology of Argillite and Ignimbrite. Etymology of Argillite and Ignimbrite gives information about origin and formation of a particular rock. Know more about Formation of Argillite and Formation of Ignimbrite. The etymology of Argillite is From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite while that of Ignimbrite is From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Argillite belongs to Sedimentary Rocks while Ignimbrite belongs to Igneous Rocks. The sub-class, group and other categories of Argillite and Ignimbrite are listed below.

For Argillite,

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

For Ignimbrite,

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