Pegmatite and Tuff Definition

Definition of Pegmatite and Tuff

The general Pegmatite and Tuff definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Along with definition of Pegmatite and Tuff, get to know about Properties of Pegmatite and Tuff. Get to know more information about Pegmatite and Tuff origin and discoverer, etymology and class.

History of Pegmatite and Tuff

The history of Pegmatite and Tuff 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 Tuff Origin and Discoverer

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

Etymology of Pegmatite and Tuff

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

For Pegmatite,

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

For Tuff,

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