Tonalite and Pyroxenite Definition

Definition of Tonalite and Pyroxenite

The general Tonalite and Pyroxenite 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, Pyroxenite is a dark, greenish, granular intrusive igneous rock consisting mainly of pyroxenes and olivine. Along with definition of Tonalite and Pyroxenite, get to know about Properties of Tonalite and Pyroxenite. Get to know more information about Tonalite and Pyroxenite origin and discoverer, etymology and class.

History of Tonalite and Pyroxenite

The history of Tonalite and Pyroxenite 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 Pyroxenite Origin and Discoverer

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

Etymology of Tonalite and Pyroxenite

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

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