Adakite and Tonalite Definition

Definition of Adakite and Tonalite

The general Adakite and Tonalite definition can be stated as: Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. On the other hand, Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. Along with definition of Adakite and Tonalite, get to know about Properties of Adakite and Tonalite. Get to know more information about Adakite and Tonalite origin and discoverer, etymology and class.

History of Adakite and Tonalite

The history of Adakite and Tonalite 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.

Adakite and Tonalite Origin and Discoverer

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

Etymology of Adakite and Tonalite

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

For Adakite,

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

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