Argillite and Phyllite Definition

Definition of Argillite and Phyllite

The general Argillite and Phyllite 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, Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. Along with definition of Argillite and Phyllite, get to know about Properties of Argillite and Phyllite. Get to know more information about Argillite and Phyllite origin and discoverer, etymology and class.

History of Argillite and Phyllite

The history of Argillite and Phyllite 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 Phyllite Origin and Discoverer

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

Etymology of Argillite and Phyllite

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

For Argillite,

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

For Phyllite,

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