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Anorthosite and Chalk Definition


Chalk and Anorthosite Definition


Definition

Definition
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase   
Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers   

History
  
  

Discoverer
Unknown   
Unknown   

Etymology
From French anorthose plagioclase + -ite1   
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
Plutonic   
Not Applicable   

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

Texture >>
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Definition of Anorthosite and Chalk

The general Anorthosite and Chalk definition can be stated as: Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. On the other hand, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Anorthosite and Chalk, get to know about Properties of Anorthosite and Chalk. Get to know more information about Anorthosite and Chalk origin and discoverer, etymology and class.

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History of Anorthosite and Chalk

The history of Anorthosite 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.

Anorthosite and Chalk Origin and Discoverer

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

Etymology of Anorthosite and Chalk

Along with Anorthosite and Chalk definition, know more about the etymology of Anorthosite and Chalk. Etymology of Anorthosite and Chalk gives information about origin and formation of a particular rock. Know more about Formation of Anorthosite and Formation of Chalk. The etymology of Anorthosite is From French anorthose plagioclase + -ite1 while that of Chalk is From French anorthose plagioclase + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anorthosite belongs to Igneous Rocks while Chalk belongs to Sedimentary Rocks. The sub-class, group and other categories of Anorthosite and Chalk are listed below.

For Anorthosite,

For Chalk,

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