Trachyte and Nephelinite Definition

Definition of Trachyte and Nephelinite

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

History of Trachyte and Nephelinite

The history of Trachyte and Nephelinite 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.

Trachyte and Nephelinite Origin and Discoverer

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

Etymology of Trachyte and Nephelinite

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

For Trachyte,

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

For Nephelinite,

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