Tonalite and Basalt Definition

Definition of Tonalite and Basalt

The general Tonalite and Basalt 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, Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth. Along with definition of Tonalite and Basalt, get to know about Properties of Tonalite and Basalt. Get to know more information about Tonalite and Basalt origin and discoverer, etymology and class.

History of Tonalite and Basalt

The history of Tonalite and Basalt 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 Basalt Origin and Discoverer

Tonalite and Basalt definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Tonalite and Basalt. In this section, you will know about Tonalite and Basalt Origin and Discoverer. Origin of Tonalite is Tonale, Italy whereas Origin of Basalt is Egypt. It is interesting to know the name of Tonalite and Basalt discoverer. The Discoverer of Tonalite is Unknown and the discoverer of Basalt is Georgius Agricola.

Etymology of Tonalite and Basalt

Along with Tonalite and Basalt definition, know more about the etymology of Tonalite and Basalt. Etymology of Tonalite and Basalt gives information about origin and formation of a particular rock. Know more about Formation of Tonalite and Formation of Basalt. The etymology of Tonalite is From Tonale Pass, northern Italy, + -ite1 while that of Basalt 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 Basalt belong to Igneous Rocks. The sub-class, group and other categories of Tonalite and Basalt 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 Basalt,

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