Phonolite and Granodiorite Definition

Definition of Phonolite and Granodiorite

The general Phonolite and Granodiorite 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, Granodiorite is a coarse-grained intrusive igneous rock containing quartz and plagioclase, and which has composition in between granite and diorite. Along with definition of Phonolite and Granodiorite, get to know about Properties of Phonolite and Granodiorite. Get to know more information about Phonolite and Granodiorite origin and discoverer, etymology and class.

History of Phonolite and Granodiorite

The history of Phonolite and Granodiorite 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 Granodiorite Origin and Discoverer

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

Etymology of Phonolite and Granodiorite

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

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