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Comendite and Shoshonite Definition


Shoshonite and Comendite Definition


Definition

Definition
Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite   
Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass   

History
  
  

Origin
Italy   
Wyoming,USA   

Discoverer
Unknown   
Iddings   

Etymology
Comendite derives its name from the area of Le Commende on San Pietro Island in Italy   
From the place of origin called Shoshone riverin Wyoming   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Volcanic   

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

Texture >>
<< Summary

Definition of Comendite and Shoshonite

The general Comendite and Shoshonite definition can be stated as: Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite. On the other hand, Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass. Along with definition of Comendite and Shoshonite, get to know about Properties of Comendite and Shoshonite. Get to know more information about Comendite and Shoshonite origin and discoverer, etymology and class.

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History of Comendite and Shoshonite

The history of Comendite and Shoshonite 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.

Comendite and Shoshonite Origin and Discoverer

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

Etymology of Comendite and Shoshonite

Along with Comendite and Shoshonite definition, know more about the etymology of Comendite and Shoshonite. Etymology of Comendite and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Comendite and Formation of Shoshonite. The etymology of Comendite is Comendite derives its name from the area of Le Commende on San Pietro Island in Italy while that of Shoshonite is Comendite derives its name from the area of Le Commende on San Pietro Island in Italy. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Comendite and Shoshonite belong to Igneous Rocks. The sub-class, group and other categories of Comendite and Shoshonite are listed below.

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