Slate and Argillite Definition

Definition of Slate and Argillite

The general Slate and Argillite definition can be stated as: Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. 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 Slate and Argillite, get to know about Properties of Slate and Argillite. Get to know more information about Slate and Argillite origin and discoverer, etymology and class.

History of Slate and Argillite

The history of Slate 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.

Slate and Argillite Origin and Discoverer

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

Etymology of Slate and Argillite

Along with Slate and Argillite definition, know more about the etymology of Slate and Argillite. Etymology of Slate and Argillite gives information about origin and formation of a particular rock. Know more about Formation of Slate and Formation of Argillite. The etymology of Slate is From Old French esclate, from esclat (French éclat) while that of Argillite is From Old French esclate, from esclat (French éclat). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Slate belongs to Metamorphic Rocks while Argillite belongs to Sedimentary Rocks. The sub-class, group and other categories of Slate and Argillite are listed below.

For Slate,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Fine 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