Argillite and Schist Definition

Definition of Argillite and Schist

The general Argillite and Schist 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, Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. Along with definition of Argillite and Schist, get to know about Properties of Argillite and Schist. Get to know more information about Argillite and Schist origin and discoverer, etymology and class.

History of Argillite and Schist

The history of Argillite and Schist 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 Schist Origin and Discoverer

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

Etymology of Argillite and Schist

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

For Argillite,

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

For Schist,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock