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Borolanite and Shoshonite Definition


Shoshonite and Borolanite Definition


Definition

Definition
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   
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
Scotland   
Wyoming,USA   

Discoverer
Unknown   
Iddings   

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

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Volcanic   

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

Texture >>
<< Summary

Definition of Borolanite and Shoshonite

The general Borolanite and Shoshonite definition can be stated as: 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. 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 Borolanite and Shoshonite, get to know about Properties of Borolanite and Shoshonite. Get to know more information about Borolanite and Shoshonite origin and discoverer, etymology and class.

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History of Borolanite and Shoshonite

The history of Borolanite 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.

Borolanite and Shoshonite Origin and Discoverer

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

Etymology of Borolanite and Shoshonite

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

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