Pegmatite and Migmatite Definition

Definition of Pegmatite and Migmatite

The general Pegmatite and Migmatite definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components. Along with definition of Pegmatite and Migmatite, get to know about Properties of Pegmatite and Migmatite. Get to know more information about Pegmatite and Migmatite origin and discoverer, etymology and class.

History of Pegmatite and Migmatite

The history of Pegmatite and Migmatite 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.

Pegmatite and Migmatite Origin and Discoverer

Pegmatite and Migmatite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Pegmatite and Migmatite. In this section, you will know about Pegmatite and Migmatite Origin and Discoverer. Origin of Pegmatite is Unknown whereas Origin of Migmatite is Southern Alps, France. It is interesting to know the name of Pegmatite and Migmatite discoverer. The Discoverer of Pegmatite is R. J. Hauy and the discoverer of Migmatite is Jakob Sederholm.

Etymology of Pegmatite and Migmatite

Along with Pegmatite and Migmatite definition, know more about the etymology of Pegmatite and Migmatite. Etymology of Pegmatite and Migmatite gives information about origin and formation of a particular rock. Know more about Formation of Pegmatite and Formation of Migmatite. The etymology of Pegmatite is From Greek pegma, pegmat which means- thing joined together + -ite while that of Migmatite is From Greek pegma, pegmat which means- thing joined together + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pegmatite belongs to Igneous Rocks while Migmatite belongs to Metamorphic Rocks. The sub-class, group and other categories of Pegmatite and Migmatite are listed below.

For Pegmatite,

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

For Migmatite,

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