Pegmatite and Porphyry Definition

Definition of Pegmatite and Porphyry

The general Pegmatite and Porphyry definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. Along with definition of Pegmatite and Porphyry, get to know about Properties of Pegmatite and Porphyry. Get to know more information about Pegmatite and Porphyry origin and discoverer, etymology and class.

History of Pegmatite and Porphyry

The history of Pegmatite and Porphyry 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 Porphyry Origin and Discoverer

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

Etymology of Pegmatite and Porphyry

Along with Pegmatite and Porphyry definition, know more about the etymology of Pegmatite and Porphyry. Etymology of Pegmatite and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Pegmatite and Formation of Porphyry. The etymology of Pegmatite is From Greek pegma, pegmat which means- thing joined together + -ite while that of Porphyry 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 and Porphyry belong to Igneous Rocks. The sub-class, group and other categories of Pegmatite and Porphyry are listed below.

For Pegmatite,

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

For Porphyry,

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