Argillite and Nephelinite Definition

Definition of Argillite and Nephelinite

The general Argillite and Nephelinite 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, Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. Along with definition of Argillite and Nephelinite, get to know about Properties of Argillite and Nephelinite. Get to know more information about Argillite and Nephelinite origin and discoverer, etymology and class.

History of Argillite and Nephelinite

The history of Argillite and Nephelinite 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 Nephelinite Origin and Discoverer

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

Etymology of Argillite and Nephelinite

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

For Argillite,

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

For Nephelinite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Fine grained rock and Opaque rock