Felsite and Argillite Definition

Definition of Felsite and Argillite

The general Felsite and Argillite definition can be stated as: Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. 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 Felsite and Argillite, get to know about Properties of Felsite and Argillite. Get to know more information about Felsite and Argillite origin and discoverer, etymology and class.

History of Felsite and Argillite

The history of Felsite 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.

Felsite and Argillite Origin and Discoverer

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

Etymology of Felsite and Argillite

Along with Felsite and Argillite definition, know more about the etymology of Felsite and Argillite. Etymology of Felsite and Argillite gives information about origin and formation of a particular rock. Know more about Formation of Felsite and Formation of Argillite. The etymology of Felsite is From English feldspar and -ite while that of Argillite is From English feldspar and -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Felsite belongs to Igneous Rocks while Argillite belongs to Sedimentary Rocks. The sub-class, group and other categories of Felsite and Argillite are listed below.

For Felsite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• 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