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Adakite and Chert Definition


Chert 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   
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture   

History
  
  

Origin
Adak, Aleutian Islands   
Unknown   

Discoverer
Defant and Drummond   
Unknown   

Etymology
From Adak, Aleutian Islands   
From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Adakite and Chert

The general Adakite and Chert 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, Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. Along with definition of Adakite and Chert, get to know about Properties of Adakite and Chert. Get to know more information about Adakite and Chert origin and discoverer, etymology and class.

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History of Adakite and Chert

The history of Adakite and Chert 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 Chert Origin and Discoverer

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

Etymology of Adakite and Chert

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

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