Argillite and Anorthosite Definition

Definition of Argillite and Anorthosite

The general Argillite and Anorthosite 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, Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. Along with definition of Argillite and Anorthosite, get to know about Properties of Argillite and Anorthosite. Get to know more information about Argillite and Anorthosite origin and discoverer, etymology and class.

History of Argillite and Anorthosite

The history of Argillite and Anorthosite 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 Anorthosite Origin and Discoverer

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

Etymology of Argillite and Anorthosite

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

For Argillite,

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

For Anorthosite,

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