Tonalite and Boninite Definition

Definition of Tonalite and Boninite

The general Tonalite and Boninite definition can be stated as: Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. On the other hand, Boninite is a mafic extrusive rock which is high in magnesium and silica content, formed in fore-arc environments, typically during the early stages of subduction. Along with definition of Tonalite and Boninite, get to know about Properties of Tonalite and Boninite. Get to know more information about Tonalite and Boninite origin and discoverer, etymology and class.

History of Tonalite and Boninite

The history of Tonalite and Boninite 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.

Tonalite and Boninite Origin and Discoverer

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

Etymology of Tonalite and Boninite

Along with Tonalite and Boninite definition, know more about the etymology of Tonalite and Boninite. Etymology of Tonalite and Boninite gives information about origin and formation of a particular rock. Know more about Formation of Tonalite and Formation of Boninite. The etymology of Tonalite is From Tonale Pass, northern Italy, + -ite1 while that of Boninite is From Tonale Pass, northern Italy, + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tonalite and Boninite belong to Igneous Rocks. The sub-class, group and other categories of Tonalite and Boninite are listed below.

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

For Boninite,

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