Pegmatite and Adakite Definition

Definition of Pegmatite and Adakite

The general Pegmatite and Adakite definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Along with definition of Pegmatite and Adakite, get to know about Properties of Pegmatite and Adakite. Get to know more information about Pegmatite and Adakite origin and discoverer, etymology and class.

History of Pegmatite and Adakite

The history of Pegmatite and Adakite 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 Adakite Origin and Discoverer

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

Etymology of Pegmatite and Adakite

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

For Pegmatite,

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

For Adakite,

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