Pegmatite and Gritstone Definition

Definition of Pegmatite and Gritstone

The general Pegmatite and Gritstone definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, Gritstone or grit is a hard, coarse-grained, siliceous sandstone. Along with definition of Pegmatite and Gritstone, get to know about Properties of Pegmatite and Gritstone. Get to know more information about Pegmatite and Gritstone origin and discoverer, etymology and class.

History of Pegmatite and Gritstone

The history of Pegmatite and Gritstone 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 Gritstone Origin and Discoverer

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

Etymology of Pegmatite and Gritstone

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

For Pegmatite,

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

For Gritstone,

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