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Adakite and Chalk Definition


Chalk 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  
Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers  

History
  
  

Origin
Adak, Aleutian Islands  
-  

Discoverer
Defant and Drummond  
Unknown  

Etymology
From Adak, Aleutian Islands  
From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone  

Class
Igneous Rocks  
Sedimentary Rocks  

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

Family
  
  

Group
Volcanic  
-  

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

Texture >>
<< Summary

Definition of Adakite and Chalk

The general Adakite and Chalk 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, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Adakite and Chalk, get to know about Properties of Adakite and Chalk. Get to know more information about Adakite and Chalk origin and discoverer, etymology and class.

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History of Adakite and Chalk

The history of Adakite and Chalk 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 Chalk Origin and Discoverer

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

Etymology of Adakite and Chalk

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

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For Chalk,

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