Diorite and Phonolite Definition

Definition of Diorite and Phonolite

The general Diorite and Phonolite definition can be stated as: Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene. 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 Diorite and Phonolite, get to know about Properties of Diorite and Phonolite. Get to know more information about Diorite and Phonolite origin and discoverer, etymology and class.

History of Diorite and Phonolite

The history of Diorite 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.

Diorite and Phonolite Origin and Discoverer

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

Etymology of Diorite and Phonolite

Along with Diorite and Phonolite definition, know more about the etymology of Diorite and Phonolite. Etymology of Diorite and Phonolite gives information about origin and formation of a particular rock. Know more about Formation of Diorite and Formation of Phonolite. The etymology of Diorite is From early 19th century coined in French, formed irregularly from Greek diorizein distinguish while that of Phonolite is From early 19th century coined in French, formed irregularly from Greek diorizein distinguish. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Diorite and Phonolite belong to Igneous Rocks. The sub-class, group and other categories of Diorite and Phonolite are listed below.

For Diorite,

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