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Adakite and Picrite Definition


Picrite and Adakite Definition


Definition

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   
Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine   

History
  
  

Origin
Adak, Aleutian Islands   
Hawaii Islands   

Discoverer
Defant and Drummond   
Unknown   

Etymology
From Adak, Aleutian Islands   
From Greek pikros bitter + -ite, 19th century   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Medium Hardness Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Volcanic   
Volcanic   

Other Categories
Fine Grained Rock, Medium Grained Rock, Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Adakite and Picrite

The general Adakite and Picrite 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, Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. Along with definition of Adakite and Picrite, get to know about Properties of Adakite and Picrite. Get to know more information about Adakite and Picrite origin and discoverer, etymology and class.

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History of Adakite and Picrite

The history of Adakite and Picrite 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 Picrite Origin and Discoverer

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

Etymology of Adakite and Picrite

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

For Adakite,

For Picrite,

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