Boninite and Trondhjemite Definition

Definition of Boninite and Trondhjemite

The general Boninite and Trondhjemite 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, Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.. Along with definition of Boninite and Trondhjemite, get to know about Properties of Boninite and Trondhjemite. Get to know more information about Boninite and Trondhjemite origin and discoverer, etymology and class.

History of Boninite and Trondhjemite

The history of Boninite and Trondhjemite 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 Trondhjemite Origin and Discoverer

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

Etymology of Boninite and Trondhjemite

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

For Boninite,

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

For Trondhjemite,

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