Dunite and Arkose Definition

Definition of Dunite and Arkose

The general Dunite and Arkose definition can be stated as: Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. On the other hand, Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Along with definition of Dunite and Arkose, get to know about Properties of Dunite and Arkose. Get to know more information about Dunite and Arkose origin and discoverer, etymology and class.

History of Dunite and Arkose

The history of Dunite and Arkose 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 Arkose Origin and Discoverer

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

Etymology of Dunite and Arkose

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

For Dunite,

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

For Arkose,

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