Arkose and Pegmatite Definition

Definition of Arkose and Pegmatite

The general Arkose and Pegmatite definition can be stated as: Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. On the other hand, Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. Along with definition of Arkose and Pegmatite, get to know about Properties of Arkose and Pegmatite. Get to know more information about Arkose and Pegmatite origin and discoverer, etymology and class.

History of Arkose and Pegmatite

The history of Arkose and Pegmatite 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.

Arkose and Pegmatite Origin and Discoverer

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

Etymology of Arkose and Pegmatite

Along with Arkose and Pegmatite definition, know more about the etymology of Arkose and Pegmatite. Etymology of Arkose and Pegmatite gives information about origin and formation of a particular rock. Know more about Formation of Arkose and Formation of Pegmatite. The etymology of Arkose is From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones while that of Pegmatite is From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Arkose belongs to Sedimentary Rocks while Pegmatite belongs to Igneous Rocks. The sub-class, group and other categories of Arkose and Pegmatite are listed below.

For Arkose,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse grained rock and Opaque rock

For Pegmatite,

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