Amphibolite and Pegmatite Definition

Definition of Amphibolite and Pegmatite

The general Amphibolite and Pegmatite 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, Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. Along with definition of Amphibolite and Pegmatite, get to know about Properties of Amphibolite and Pegmatite. Get to know more information about Amphibolite and Pegmatite origin and discoverer, etymology and class.

History of Amphibolite and Pegmatite

The history of Amphibolite and Pegmatite 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 Pegmatite Origin and Discoverer

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

Etymology of Amphibolite and Pegmatite

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

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