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Diorite and Chalk Definition


Chalk and Diorite Definition


Definition

Definition
Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene   
Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers   

History
  
  

Discoverer
Unknown   
Unknown   

Etymology
From early 19th century coined in French, formed irregularly from Greek diorizein distinguish   
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, Hard Rock   
Durable Rock, Soft Rock   

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Diorite and Chalk

The general Diorite and Chalk definition can be stated as: Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene. On the other hand, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Diorite and Chalk, get to know about Properties of Diorite and Chalk. Get to know more information about Diorite and Chalk origin and discoverer, etymology and class.

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History of Diorite and Chalk

The history of Diorite 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.

Diorite and Chalk Origin and Discoverer

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

Etymology of Diorite and Chalk

Along with Diorite and Chalk definition, know more about the etymology of Diorite and Chalk. Etymology of Diorite and Chalk gives information about origin and formation of a particular rock. Know more about Formation of Diorite and Formation of Chalk. The etymology of Diorite is From early 19th century coined in French, formed irregularly from Greek diorizein distinguish while that of Chalk is From early 19th century coined in French, formed irregularly from Greek diorizein distinguish. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Diorite belongs to Igneous Rocks while Chalk belongs to Sedimentary Rocks. The sub-class, group and other categories of Diorite and Chalk are listed below.

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