Tonalite and Amphibolite Definition

Definition of Tonalite and Amphibolite

The general Tonalite and Amphibolite 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, Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. Along with definition of Tonalite and Amphibolite, get to know about Properties of Tonalite and Amphibolite. Get to know more information about Tonalite and Amphibolite origin and discoverer, etymology and class.

History of Tonalite and Amphibolite

The history of Tonalite and Amphibolite 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 Amphibolite Origin and Discoverer

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

Etymology of Tonalite and Amphibolite

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

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Medium grained rock and Opaque rock