Dunite and Trondhjemite Definition

Definition of Dunite and Trondhjemite

The general Dunite and Trondhjemite definition can be stated as: Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. 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 Dunite and Trondhjemite, get to know about Properties of Dunite and Trondhjemite. Get to know more information about Dunite and Trondhjemite origin and discoverer, etymology and class.

History of Dunite and Trondhjemite

The history of Dunite 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.

Dunite and Trondhjemite Origin and Discoverer

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

Etymology of Dunite and Trondhjemite

Along with Dunite and Trondhjemite definition, know more about the etymology of Dunite and Trondhjemite. Etymology of Dunite and Trondhjemite gives information about origin and formation of a particular rock. Know more about Formation of Dunite and Formation of Trondhjemite. The etymology of Dunite is From the name of Dun Mountain, New Zealand, + -ite1 while that of Trondhjemite is From the name of Dun Mountain, New Zealand, + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Dunite and Trondhjemite belong to Igneous Rocks. The sub-class, group and other categories of Dunite and Trondhjemite are listed below.

For Dunite,

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