Argillite and Appinite Definition

Definition of Argillite and Appinite

The general Argillite and Appinite 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, Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished. Along with definition of Argillite and Appinite, get to know about Properties of Argillite and Appinite. Get to know more information about Argillite and Appinite origin and discoverer, etymology and class.

History of Argillite and Appinite

The history of Argillite and Appinite 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 Appinite Origin and Discoverer

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

Etymology of Argillite and Appinite

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

For Argillite,

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

For Appinite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Plutonic
• Other Categories: Coarse grained rock, Fine grained rock and Opaque rock