Phonolite and Arkose Definition

Definition of Phonolite and Arkose

The general Phonolite and Arkose definition can be stated as: Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. On the other hand, Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Along with definition of Phonolite and Arkose, get to know about Properties of Phonolite and Arkose. Get to know more information about Phonolite and Arkose origin and discoverer, etymology and class.

History of Phonolite and Arkose

The history of Phonolite and Arkose 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.

Phonolite and Arkose Origin and Discoverer

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

Etymology of Phonolite and Arkose

Along with Phonolite and Arkose definition, know more about the etymology of Phonolite and Arkose. Etymology of Phonolite and Arkose gives information about origin and formation of a particular rock. Know more about Formation of Phonolite and Formation of Arkose. The etymology of Phonolite is From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit while that of Arkose is From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phonolite belongs to Igneous Rocks while Arkose belongs to Sedimentary Rocks. The sub-class, group and other categories of Phonolite and Arkose are listed below.

For Phonolite,

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

For Arkose,

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