Dunite and Phonolite Definition

Definition of Dunite and Phonolite

The general Dunite and Phonolite definition can be stated as: Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. On the other hand, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Dunite and Phonolite, get to know about Properties of Dunite and Phonolite. Get to know more information about Dunite and Phonolite origin and discoverer, etymology and class.

History of Dunite and Phonolite

The history of Dunite and Phonolite 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.

Dunite and Phonolite Origin and Discoverer

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

Etymology of Dunite and Phonolite

Along with Dunite and Phonolite definition, know more about the etymology of Dunite and Phonolite. Etymology of Dunite and Phonolite gives information about origin and formation of a particular rock. Know more about Formation of Dunite and Formation of Phonolite. The etymology of Dunite is From the name of Dun Mountain, New Zealand, + -ite1 while that of Phonolite is From the name of Dun Mountain, New Zealand, + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Dunite and Phonolite belong to Igneous Rocks. The sub-class, group and other categories of Dunite and Phonolite are listed below.

For Dunite,

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

For Phonolite,

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