Tonalite and Gabbro Definition

Definition of Tonalite and Gabbro

The general Tonalite and Gabbro definition can be stated as: Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. On the other hand, Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt. Along with definition of Tonalite and Gabbro, get to know about Properties of Tonalite and Gabbro. Get to know more information about Tonalite and Gabbro origin and discoverer, etymology and class.

History of Tonalite and Gabbro

The history of Tonalite and Gabbro 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.

Tonalite and Gabbro Origin and Discoverer

Tonalite and Gabbro definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Tonalite and Gabbro. In this section, you will know about Tonalite and Gabbro Origin and Discoverer. Origin of Tonalite is Tonale, Italy whereas Origin of Gabbro is Germany. It is interesting to know the name of Tonalite and Gabbro discoverer. The Discoverer of Tonalite is Unknown and the discoverer of Gabbro is Christian Leopold von Buch.

Etymology of Tonalite and Gabbro

Along with Tonalite and Gabbro definition, know more about the etymology of Tonalite and Gabbro. Etymology of Tonalite and Gabbro gives information about origin and formation of a particular rock. Know more about Formation of Tonalite and Formation of Gabbro. The etymology of Tonalite is From Tonale Pass, northern Italy, + -ite1 while that of Gabbro is From Tonale Pass, northern Italy, + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tonalite and Gabbro belong to Igneous Rocks. The sub-class, group and other categories of Tonalite and Gabbro are listed below.

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

For Gabbro,

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