Dunite and Rapakivi Granite Definition

Definition of Dunite and Rapakivi Granite

The general Dunite and Rapakivi Granite definition can be stated as: Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. On the other hand, Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase. Along with definition of Dunite and Rapakivi Granite, get to know about Properties of Dunite and Rapakivi Granite. Get to know more information about Dunite and Rapakivi Granite origin and discoverer, etymology and class.

History of Dunite and Rapakivi Granite

The history of Dunite and Rapakivi Granite 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 Rapakivi Granite Origin and Discoverer

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

Etymology of Dunite and Rapakivi Granite

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

For Dunite,

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

For Rapakivi Granite,

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