Nephelinite and Trachyte Definition

Definition of Nephelinite and Trachyte

The general Nephelinite and Trachyte definition can be stated as: Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. On the other hand, Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. Along with definition of Nephelinite and Trachyte, get to know about Properties of Nephelinite and Trachyte. Get to know more information about Nephelinite and Trachyte origin and discoverer, etymology and class.

History of Nephelinite and Trachyte

The history of Nephelinite 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.

Nephelinite and Trachyte Origin and Discoverer

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

Etymology of Nephelinite and Trachyte

Along with Nephelinite and Trachyte definition, know more about the etymology of Nephelinite and Trachyte. Etymology of Nephelinite and Trachyte gives information about origin and formation of a particular rock. Know more about Formation of Nephelinite and Formation of Trachyte. The etymology of Nephelinite is from French néphéline, from Greek nephelē while that of Trachyte is from French néphéline, from Greek nephelē. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nephelinite and Trachyte belong to Igneous Rocks. The sub-class, group and other categories of Nephelinite and Trachyte are listed below.

For Nephelinite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Fine 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