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Chert and Anorthosite Definition


Anorthosite and Chert Definition


Definition

Definition
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture   
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase   

History
  
  

Discoverer
Unknown   
Unknown   

Etymology
From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use   
From French anorthose plagioclase + -ite1   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
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Definition of Chert and Anorthosite

The general Chert and Anorthosite definition can be stated as: Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. On the other hand, Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. Along with definition of Chert and Anorthosite, get to know about Properties of Chert and Anorthosite. Get to know more information about Chert and Anorthosite origin and discoverer, etymology and class.

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History of Chert and Anorthosite

The history of Chert and Anorthosite 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.

Chert and Anorthosite Origin and Discoverer

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

Etymology of Chert and Anorthosite

Along with Chert and Anorthosite definition, know more about the etymology of Chert and Anorthosite. Etymology of Chert and Anorthosite gives information about origin and formation of a particular rock. Know more about Formation of Chert and Formation of Anorthosite. The etymology of Chert is From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use while that of Anorthosite is From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Chert belongs to Sedimentary Rocks while Anorthosite belongs to Igneous Rocks. The sub-class, group and other categories of Chert and Anorthosite are listed below.

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