Amphibolite and Nephelinite Definition

Definition of Amphibolite and Nephelinite

The general Amphibolite and Nephelinite 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, Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. Along with definition of Amphibolite and Nephelinite, get to know about Properties of Amphibolite and Nephelinite. Get to know more information about Amphibolite and Nephelinite origin and discoverer, etymology and class.

History of Amphibolite and Nephelinite

The history of Amphibolite and Nephelinite 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 Nephelinite Origin and Discoverer

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

Etymology of Amphibolite and Nephelinite

Along with Amphibolite and Nephelinite definition, know more about the etymology of Amphibolite and Nephelinite. Etymology of Amphibolite and Nephelinite gives information about origin and formation of a particular rock. Know more about Formation of Amphibolite and Formation of Nephelinite. The etymology of Amphibolite is From Amphibole + -ite while that of Nephelinite 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 Nephelinite belongs to Igneous Rocks. The sub-class, group and other categories of Amphibolite and Nephelinite 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 Nephelinite,

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