Trachyte and Tonalite Definition

Definition of Trachyte and Tonalite

The general Trachyte and Tonalite definition can be stated as: Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. On the other hand, Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. Along with definition of Trachyte and Tonalite, get to know about Properties of Trachyte and Tonalite. Get to know more information about Trachyte and Tonalite origin and discoverer, etymology and class.

History of Trachyte and Tonalite

The history of Trachyte and Tonalite 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 Tonalite Origin and Discoverer

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

Etymology of Trachyte and Tonalite

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

For Trachyte,

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

For Tonalite,

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