Pegmatite and Trachyte Definition

Definition of Pegmatite and Trachyte

The general Pegmatite and Trachyte definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. Along with definition of Pegmatite and Trachyte, get to know about Properties of Pegmatite and Trachyte. Get to know more information about Pegmatite and Trachyte origin and discoverer, etymology and class.

History of Pegmatite and Trachyte

The history of Pegmatite and Trachyte 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 Trachyte Origin and Discoverer

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

Etymology of Pegmatite and Trachyte

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

For Pegmatite,

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

For Trachyte,

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