Ijolite and Boninite Definition

Definition of Ijolite and Boninite

The general Ijolite and Boninite definition can be stated as: Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite. 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 Ijolite and Boninite, get to know about Properties of Ijolite and Boninite. Get to know more information about Ijolite and Boninite origin and discoverer, etymology and class.

History of Ijolite and Boninite

The history of Ijolite 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.

Ijolite and Boninite Origin and Discoverer

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

Etymology of Ijolite and Boninite

Along with Ijolite and Boninite definition, know more about the etymology of Ijolite and Boninite. Etymology of Ijolite and Boninite gives information about origin and formation of a particular rock. Know more about Formation of Ijolite and Formation of Boninite. The etymology of Ijolite is From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone while that of Boninite is From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Ijolite and Boninite belong to Igneous Rocks. The sub-class, group and other categories of Ijolite and Boninite are listed below.

For Ijolite,

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

For Boninite,

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