Argillite and Andesite Definition

Definition of Argillite and Andesite

The general Argillite and Andesite 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, Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. Along with definition of Argillite and Andesite, get to know about Properties of Argillite and Andesite. Get to know more information about Argillite and Andesite origin and discoverer, etymology and class.

History of Argillite and Andesite

The history of Argillite and Andesite 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 Andesite Origin and Discoverer

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

Etymology of Argillite and Andesite

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

For Argillite,

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

For Andesite,

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