Amphibolite and Ijolite Definition

Definition of Amphibolite and Ijolite

The general Amphibolite and Ijolite definition can be stated as: Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. 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 Amphibolite and Ijolite, get to know about Properties of Amphibolite and Ijolite. Get to know more information about Amphibolite and Ijolite origin and discoverer, etymology and class.

History of Amphibolite and Ijolite

The history of Amphibolite 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.

Amphibolite and Ijolite Origin and Discoverer

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

Etymology of Amphibolite and Ijolite

Along with Amphibolite and Ijolite definition, know more about the etymology of Amphibolite and Ijolite. Etymology of Amphibolite and Ijolite gives information about origin and formation of a particular rock. Know more about Formation of Amphibolite and Formation of Ijolite. The etymology of Amphibolite is From Amphibole + -ite while that of Ijolite is From Amphibole + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Amphibolite belongs to Metamorphic Rocks while Ijolite belongs to Igneous Rocks. The sub-class, group and other categories of Amphibolite and Ijolite are listed below.

For Amphibolite,

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

For Ijolite,

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