Arkose and Dunite Definition

Definition of Arkose and Dunite

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

History of Arkose and Dunite

The history of Arkose and Dunite 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.

Arkose and Dunite Origin and Discoverer

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

Etymology of Arkose and Dunite

Along with Arkose and Dunite definition, know more about the etymology of Arkose and Dunite. Etymology of Arkose and Dunite gives information about origin and formation of a particular rock. Know more about Formation of Arkose and Formation of Dunite. The etymology of Arkose is From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones while that of Dunite is From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Arkose belongs to Sedimentary Rocks while Dunite belongs to Igneous Rocks. The sub-class, group and other categories of Arkose and Dunite are listed below.

For Arkose,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse grained rock and Opaque rock

For Dunite,

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