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Anorthosite and Shonkinite Definition


Shonkinite and Anorthosite Definition


Definition

Definition
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase   
Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents   

History
  
  

Origin
Unknown   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From French anorthose plagioclase + -ite1   
From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Anorthosite and Shonkinite

The general Anorthosite and Shonkinite definition can be stated as: Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. On the other hand, Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents. Along with definition of Anorthosite and Shonkinite, get to know about Properties of Anorthosite and Shonkinite. Get to know more information about Anorthosite and Shonkinite origin and discoverer, etymology and class.

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History of Anorthosite and Shonkinite

The history of Anorthosite and Shonkinite 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 Shonkinite Origin and Discoverer

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

Etymology of Anorthosite and Shonkinite

Along with Anorthosite and Shonkinite definition, know more about the etymology of Anorthosite and Shonkinite. Etymology of Anorthosite and Shonkinite gives information about origin and formation of a particular rock. Know more about Formation of Anorthosite and Formation of Shonkinite. The etymology of Anorthosite is From French anorthose plagioclase + -ite1 while that of Shonkinite 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 and Shonkinite belong to Igneous Rocks. The sub-class, group and other categories of Anorthosite and Shonkinite are listed below.

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