Amphibolite and Phonolite Definition

Definition of Amphibolite and Phonolite

The general Amphibolite and Phonolite 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, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Amphibolite and Phonolite, get to know about Properties of Amphibolite and Phonolite. Get to know more information about Amphibolite and Phonolite origin and discoverer, etymology and class.

History of Amphibolite and Phonolite

The history of Amphibolite and Phonolite 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 Phonolite Origin and Discoverer

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

Etymology of Amphibolite and Phonolite

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

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock