Phonolite and Tuff Definition

Definition of Phonolite and Tuff

The general Phonolite and Tuff 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, Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Along with definition of Phonolite and Tuff, get to know about Properties of Phonolite and Tuff. Get to know more information about Phonolite and Tuff origin and discoverer, etymology and class.

History of Phonolite and Tuff

The history of Phonolite and Tuff 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 Tuff Origin and Discoverer

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

Etymology of Phonolite and Tuff

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

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