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Adakite
Adakite

Pegmatite
Pegmatite



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Adakite and Pegmatite Definition

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1 Definition
1.1 Definition
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
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals
1.2 History
1.2.1 Origin
Adak, Aleutian Islands
Unknown
1.2.2 Discoverer
Defant and Drummond
R. J. Hauy
1.3 Etymology
From Adak, Aleutian Islands
From Greek pegma, pegmat which means- thing joined together + -ite
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Volcanic
Plutonic
1.6 Other Categories
Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock

Definition of Adakite and Pegmatite

The general Adakite and Pegmatite 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, Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. Along with definition of Adakite and Pegmatite, get to know about Properties of Adakite and Pegmatite. Get to know more information about Adakite and Pegmatite origin and discoverer, etymology and class.

History of Adakite and Pegmatite

The history of Adakite and Pegmatite 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 Pegmatite Origin and Discoverer

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

Etymology of Adakite and Pegmatite

Along with Adakite and Pegmatite definition, know more about the etymology of Adakite and Pegmatite. Etymology of Adakite and Pegmatite gives information about origin and formation of a particular rock. Know more about Formation of Adakite and Formation of Pegmatite. The etymology of Adakite is From Adak, Aleutian Islands while that of Pegmatite 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 Pegmatite belong to Igneous Rocks. The sub-class, group and other categories of Adakite and Pegmatite 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 Pegmatite,

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