Boninite and Variolite Definition

Definition of Boninite and Variolite

The general Boninite and Variolite 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, Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance. Along with definition of Boninite and Variolite, get to know about Properties of Boninite and Variolite. Get to know more information about Boninite and Variolite origin and discoverer, etymology and class.

History of Boninite and Variolite

The history of Boninite and Variolite 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 Variolite Origin and Discoverer

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

Etymology of Boninite and Variolite

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

For Boninite,

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

For Variolite,

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