Dunite and Amphibolite Definition

Definition of Dunite and Amphibolite

The general Dunite and Amphibolite definition can be stated as: Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. On the other hand, Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. Along with definition of Dunite and Amphibolite, get to know about Properties of Dunite and Amphibolite. Get to know more information about Dunite and Amphibolite origin and discoverer, etymology and class.

History of Dunite and Amphibolite

The history of Dunite and Amphibolite 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 Amphibolite Origin and Discoverer

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

Etymology of Dunite and Amphibolite

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

For Dunite,

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

For Amphibolite,

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