Argillite and Theralite Definition

Definition of Argillite and Theralite

The general Argillite and Theralite 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, Theralite is a plutonic hylocrystalline igneous rock consisting of augite, olivine, calcic plagioclase and nepheline. Along with definition of Argillite and Theralite, get to know about Properties of Argillite and Theralite. Get to know more information about Argillite and Theralite origin and discoverer, etymology and class.

History of Argillite and Theralite

The history of Argillite and Theralite 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 Theralite Origin and Discoverer

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

Etymology of Argillite and Theralite

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

For Argillite,

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

For Theralite,

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