Boninite and Phonolite Definition

Definition of Boninite and Phonolite

The general Boninite and Phonolite 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, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Boninite and Phonolite, get to know about Properties of Boninite and Phonolite. Get to know more information about Boninite and Phonolite origin and discoverer, etymology and class.

History of Boninite and Phonolite

The history of Boninite 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.

Boninite and Phonolite Origin and Discoverer

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

Etymology of Boninite and Phonolite

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

For Boninite,

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