Nephelinite and Amphibolite Definition

Definition of Nephelinite and Amphibolite

The general Nephelinite and Amphibolite definition can be stated as: Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. On the other hand, Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. Along with definition of Nephelinite and Amphibolite, get to know about Properties of Nephelinite and Amphibolite. Get to know more information about Nephelinite and Amphibolite origin and discoverer, etymology and class.

History of Nephelinite and Amphibolite

The history of Nephelinite 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.

Nephelinite and Amphibolite Origin and Discoverer

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

Etymology of Nephelinite and Amphibolite

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

For Nephelinite,

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