Boninite and Shoshonite Definition

Definition of Boninite and Shoshonite

The general Boninite and Shoshonite 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, Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass. Along with definition of Boninite and Shoshonite, get to know about Properties of Boninite and Shoshonite. Get to know more information about Boninite and Shoshonite origin and discoverer, etymology and class.

History of Boninite and Shoshonite

The history of Boninite and Shoshonite 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 Shoshonite Origin and Discoverer

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

Etymology of Boninite and Shoshonite

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

For Boninite,

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

For Shoshonite,

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