Pegmatite and Siltstone Definition

Definition of Pegmatite and Siltstone

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

History of Pegmatite and Siltstone

The history of Pegmatite and Siltstone 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 Siltstone Origin and Discoverer

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

Etymology of Pegmatite and Siltstone

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

For Pegmatite,

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

For Siltstone,

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