Rhyolite and Pegmatite Definition

Definition of Rhyolite and Pegmatite

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

History of Rhyolite and Pegmatite

The history of Rhyolite 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.

Rhyolite and Pegmatite Origin and Discoverer

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

Etymology of Rhyolite and Pegmatite

Along with Rhyolite and Pegmatite definition, know more about the etymology of Rhyolite and Pegmatite. Etymology of Rhyolite and Pegmatite gives information about origin and formation of a particular rock. Know more about Formation of Rhyolite and Formation of Pegmatite. The etymology of Rhyolite is From German Rhyolit, from Greek rhuax lava stream + lithos stone while that of Pegmatite is From German Rhyolit, from Greek rhuax lava stream + lithos stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Rhyolite and Pegmatite belong to Igneous Rocks. The sub-class, group and other categories of Rhyolite and Pegmatite are listed below.

For Rhyolite,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• 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