Amphibolite and Borolanite Definition

Definition of Amphibolite and Borolanite

The general Amphibolite and Borolanite 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, Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix. Along with definition of Amphibolite and Borolanite, get to know about Properties of Amphibolite and Borolanite. Get to know more information about Amphibolite and Borolanite origin and discoverer, etymology and class.

History of Amphibolite and Borolanite

The history of Amphibolite and Borolanite 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 Borolanite Origin and Discoverer

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

Etymology of Amphibolite and Borolanite

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

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