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Shoshonite and Borolanite Definition


Borolanite and Shoshonite Definition


Definition

Definition
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   
Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix   

History
  
  

Origin
Wyoming,USA   
Scotland   

Discoverer
Iddings   
Unknown   

Etymology
From the place of origin called Shoshone riverin Wyoming   
From Alkalic Igneous complex near Loch Borralan in northwest Scotland   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
<< Summary

Definition of Shoshonite and Borolanite

The general Shoshonite and Borolanite definition can be stated as: 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. On the other hand, Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix. Along with definition of Shoshonite and Borolanite, get to know about Properties of Shoshonite and Borolanite. Get to know more information about Shoshonite and Borolanite origin and discoverer, etymology and class.

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History of Shoshonite and Borolanite

The history of Shoshonite and Borolanite 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.

Shoshonite and Borolanite Origin and Discoverer

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

Etymology of Shoshonite and Borolanite

Along with Shoshonite and Borolanite definition, know more about the etymology of Shoshonite and Borolanite. Etymology of Shoshonite and Borolanite gives information about origin and formation of a particular rock. Know more about Formation of Shoshonite and Formation of Borolanite. The etymology of Shoshonite is From the place of origin called Shoshone riverin Wyoming while that of Borolanite is From the place of origin called Shoshone riverin Wyoming. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shoshonite and Borolanite belong to Igneous Rocks. The sub-class, group and other categories of Shoshonite and Borolanite are listed below.

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