Argillite and Felsite Definition

Definition of Argillite and Felsite

The general Argillite and Felsite 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, Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. Along with definition of Argillite and Felsite, get to know about Properties of Argillite and Felsite. Get to know more information about Argillite and Felsite origin and discoverer, etymology and class.

History of Argillite and Felsite

The history of Argillite and Felsite 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 Felsite Origin and Discoverer

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

Etymology of Argillite and Felsite

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

For Argillite,

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

For Felsite,

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