Dunite and Ijolite Definition

Dunite

Ijolite

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1 Definition

1.1 Definition

Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine

Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite

1.2 History

1.2.1 Origin

New Zealand

Finland, Europe

1.2.2 Discoverer

Ferdinand von Hochstetter

Unknown

1.3 Etymology

From the name of Dun Mountain, New Zealand, + -ite1

From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone

1.4 Class

Igneous Rocks

1.4.1 Sub-Class

Durable Rock, Medium Hardness Rock

1.5 Family

1.5.1 Group

Plutonic

1.6 Other Categories

Coarse Grained Rock, Opaque Rock

Definition of Dunite and Ijolite

The general Dunite and Ijolite definition can be stated as: Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. On the other hand, Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite. Along with definition of Dunite and Ijolite, get to know about Properties of Dunite and Ijolite. Get to know more information about Dunite and Ijolite origin and discoverer, etymology and class.

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History of Dunite and Ijolite

The history of Dunite and Ijolite 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 Ijolite Origin and Discoverer

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

Etymology of Dunite and Ijolite

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

For Dunite,