Trondhjemite and Boninite Definition

Definition of Trondhjemite and Boninite

The general Trondhjemite and Boninite definition can be stated as: 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.. 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 Trondhjemite and Boninite, get to know about Properties of Trondhjemite and Boninite. Get to know more information about Trondhjemite and Boninite origin and discoverer, etymology and class.

History of Trondhjemite and Boninite

The history of Trondhjemite 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.

Trondhjemite and Boninite Origin and Discoverer

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

Etymology of Trondhjemite and Boninite

Along with Trondhjemite and Boninite definition, know more about the etymology of Trondhjemite and Boninite. Etymology of Trondhjemite and Boninite gives information about origin and formation of a particular rock. Know more about Formation of Trondhjemite and Formation of Boninite. The etymology of Trondhjemite is From Trondheim, Norway while that of Boninite is From Trondheim, Norway. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trondhjemite and Boninite belong to Igneous Rocks. The sub-class, group and other categories of Trondhjemite and Boninite are listed below.

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

For Boninite,

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