Diorite and Tonalite Definition

Definition of Diorite and Tonalite

The general Diorite and Tonalite 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, Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. Along with definition of Diorite and Tonalite, get to know about Properties of Diorite and Tonalite. Get to know more information about Diorite and Tonalite origin and discoverer, etymology and class.

History of Diorite and Tonalite

The history of Diorite and Tonalite 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 Tonalite Origin and Discoverer

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

Etymology of Diorite and Tonalite

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

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