Granite and Argillite Definition

Definition of Granite and Argillite

The general Granite and Argillite definition can be stated as: Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone. 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 Granite and Argillite, get to know about Properties of Granite and Argillite. Get to know more information about Granite and Argillite origin and discoverer, etymology and class.

History of Granite and Argillite

The history of Granite 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.

Granite and Argillite Origin and Discoverer

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

Etymology of Granite and Argillite

Along with Granite and Argillite definition, know more about the etymology of Granite and Argillite. Etymology of Granite and Argillite gives information about origin and formation of a particular rock. Know more about Formation of Granite and Formation of Argillite. The etymology of Granite is From Italian granito, which means grained rock, from grano grain, and from Latin granum while that of Argillite is From Italian granito, which means grained rock, from grano grain, and from Latin granum. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Granite belongs to Igneous Rocks while Argillite belongs to Sedimentary Rocks. The sub-class, group and other categories of Granite and Argillite are listed below.

For Granite,

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

For Argillite,

• Sub-class: Durable Rock and Soft Rock
• Group:
• Other Categories: Fine grained rock and Opaque rock