Rhyolite and Trachyte Definition

Definition of Rhyolite and Trachyte

The general Rhyolite and Trachyte definition can be stated as: Rhyolite is a fine-grained igneous rock which is rich in silica. On the other hand, Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. Along with definition of Rhyolite and Trachyte, get to know about Properties of Rhyolite and Trachyte. Get to know more information about Rhyolite and Trachyte origin and discoverer, etymology and class.

History of Rhyolite and Trachyte

The history of Rhyolite and Trachyte 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 Trachyte Origin and Discoverer

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

Etymology of Rhyolite and Trachyte

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

For Rhyolite,

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

For Trachyte,

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