Phyllite and Argillite Definition

Definition of Phyllite and Argillite

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

History of Phyllite and Argillite

The history of Phyllite and Argillite 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.

Phyllite and Argillite Origin and Discoverer

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

Etymology of Phyllite and Argillite

Along with Phyllite and Argillite definition, know more about the etymology of Phyllite and Argillite. Etymology of Phyllite and Argillite gives information about origin and formation of a particular rock. Know more about Formation of Phyllite and Formation of Argillite. The etymology of Phyllite is From Greek phullon leaf + -ite1 while that of Argillite is From Greek phullon leaf + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phyllite belongs to Metamorphic Rocks while Argillite belongs to Sedimentary Rocks. The sub-class, group and other categories of Phyllite and Argillite are listed below.

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

For Argillite,

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