Granite and Tonalite Definition

Definition of Granite and Tonalite

The general Granite and Tonalite definition can be stated as: Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone. 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 Granite and Tonalite, get to know about Properties of Granite and Tonalite. Get to know more information about Granite and Tonalite origin and discoverer, etymology and class.

History of Granite and Tonalite

The history of Granite 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.

Granite and Tonalite Origin and Discoverer

Granite and Tonalite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Granite and Tonalite. In this section, you will know about Granite and Tonalite Origin and Discoverer. Origin of Granite is whereas Origin of Tonalite is Tonale, Italy. It is interesting to know the name of Granite and Tonalite discoverer. The Discoverer of Granite is Alexander von Humboldt and the discoverer of Tonalite is Warren Hamilton.

Etymology of Granite and Tonalite

Along with Granite and Tonalite definition, know more about the etymology of Granite and Tonalite. Etymology of Granite and Tonalite gives information about origin and formation of a particular rock. Know more about Formation of Granite and Formation of Tonalite. The etymology of Granite is From Italian granito, which means grained rock, from grano grain, and from Latin granum while that of Tonalite is From Italian granito, which means grained rock, from grano grain, and from Latin granum. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Granite and Tonalite belong to Igneous Rocks. The sub-class, group and other categories of Granite and Tonalite are listed below.

For Granite,

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