Argillite and Gritstone Definition

Definition of Argillite and Gritstone

The general Argillite and Gritstone 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, Gritstone or grit is a hard, coarse-grained, siliceous sandstone. Along with definition of Argillite and Gritstone, get to know about Properties of Argillite and Gritstone. Get to know more information about Argillite and Gritstone origin and discoverer, etymology and class.

History of Argillite and Gritstone

The history of Argillite and Gritstone 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 Gritstone Origin and Discoverer

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

Etymology of Argillite and Gritstone

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

For Argillite,

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

For Gritstone,

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