Phonolite and Felsite Definition

Definition of Phonolite and Felsite

The general Phonolite and Felsite 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, 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. Along with definition of Phonolite and Felsite, get to know about Properties of Phonolite and Felsite. Get to know more information about Phonolite and Felsite origin and discoverer, etymology and class.

History of Phonolite and Felsite

The history of Phonolite and Felsite 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 Felsite Origin and Discoverer

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

Etymology of Phonolite and Felsite

Along with Phonolite and Felsite definition, know more about the etymology of Phonolite and Felsite. Etymology of Phonolite and Felsite gives information about origin and formation of a particular rock. Know more about Formation of Phonolite and Formation of Felsite. 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 Felsite 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 and Felsite belong to Igneous Rocks. The sub-class, group and other categories of Phonolite and Felsite 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 Felsite,

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