Boninite and Tonalite Definition

Definition of Boninite and Tonalite

The general Boninite and Tonalite definition can be stated as: 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. 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 Boninite and Tonalite, get to know about Properties of Boninite and Tonalite. Get to know more information about Boninite and Tonalite origin and discoverer, etymology and class.

History of Boninite and Tonalite

The history of Boninite 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.

Boninite and Tonalite Origin and Discoverer

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

Etymology of Boninite and Tonalite

Along with Boninite and Tonalite definition, know more about the etymology of Boninite and Tonalite. Etymology of Boninite and Tonalite gives information about origin and formation of a particular rock. Know more about Formation of Boninite and Formation of Tonalite. The etymology of Boninite is From its occurrence in the Izu-Bonin arc south of Japan while that of Tonalite is From its occurrence in the Izu-Bonin arc south of Japan. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Boninite and Tonalite belong to Igneous Rocks. The sub-class, group and other categories of Boninite and Tonalite are listed below.

For Boninite,

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