Trachyte and Phonolite Definition

Definition of Trachyte and Phonolite

The general Trachyte and Phonolite definition can be stated as: Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. On the other hand, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Trachyte and Phonolite, get to know about Properties of Trachyte and Phonolite. Get to know more information about Trachyte and Phonolite origin and discoverer, etymology and class.

History of Trachyte and Phonolite

The history of Trachyte and Phonolite 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 Phonolite Origin and Discoverer

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

Etymology of Trachyte and Phonolite

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

For Trachyte,

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

For Phonolite,

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