Argillite and Websterite Definition

Definition of Argillite and Websterite

The general Argillite and Websterite 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, Websterite is ultramafic and ultrabasic rock that consists of roughly equal proportions of orthopyroxene and clinopyroxene. It is a special type of pyroxenite.. Along with definition of Argillite and Websterite, get to know about Properties of Argillite and Websterite. Get to know more information about Argillite and Websterite origin and discoverer, etymology and class.

History of Argillite and Websterite

The history of Argillite and Websterite 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 Websterite Origin and Discoverer

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

Etymology of Argillite and Websterite

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

For Argillite,

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

For Websterite,

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