Argillite and Greywacke Definition

Definition of Argillite and Greywacke

The general Argillite and Greywacke 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, Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. Along with definition of Argillite and Greywacke, get to know about Properties of Argillite and Greywacke. Get to know more information about Argillite and Greywacke origin and discoverer, etymology and class.

History of Argillite and Greywacke

The history of Argillite and Greywacke 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 Greywacke Origin and Discoverer

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

Etymology of Argillite and Greywacke

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

For Argillite,

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

For Greywacke,

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