Tonalite Definition

Tonalite

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1 Definition

1.1 Definition

Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture

1.2 History

1.2.1 Origin

Tonale, Italy

1.2.2 Discoverer

Unknown

1.3 Etymology

From Tonale Pass, northern Italy, + -ite1

1.4 Class

Igneous Rocks

1.4.1 Sub-Class

Durable Rock, Hard Rock

1.5 Family

1.5.1 Group

Plutonic

1.6 Other Categories

Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

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Define Tonalite

Tonalite is one of the important type of rocks. If we have to define Tonalite in general, Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. Tonalite comes under Igneous Rocks. All Igneous Rocks have similar properties and formation process. Along with Tonalite Definition, know more about the History of Tonalite, Etymology of Tonalite in next sections.