Phonolite and Adakite Definition

Phonolite

Adakite

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Definition

Origin

Discoverer

Etymology

Class

Sub-Class

Group

Other Categories

Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic

Unknown

From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit

Igneous Rocks

Durable Rock, Medium Hardness Rock

Fine Grained Rock, Opaque Rock

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

Adak, Aleutian Islands

Defant and Drummond

From Adak, Aleutian Islands

Igneous Rocks

Durable Rock, Medium Hardness Rock

Volcanic

Fine Grained Rock, Medium Grained Rock, Opaque Rock

Definition of Phonolite and Adakite

The general Phonolite and Adakite definition can be stated as: . On the other hand, . Along with definition of Phonolite and Adakite, get to know about Phonolite vs Adakite. Get to know more information about Phonolite and Adakite origin and discoverer, etymology and class.

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History of Phonolite and Adakite

The history of Phonolite and Adakite 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.

Phonolite and Adakite Origin and Discoverer

Phonolite and Adakite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Phonolite vs Adakite. In this section, you will know about Phonolite and Adakite Origin and Discoverer. Origin of Phonolite and Adakite are . It is interesting to know the name of Phonolite and Adakite discoverer. The discoverer of Phonolite and Adakite are .

Etymology of Phonolite and Adakite

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

For Phonolite,