Home

Igneous Rocks + -

Fossil Rocks + -

Metamorphic Rocks + -

Durable Rocks + -

Medium Grained Rocks + -

Compare Rocks


Borolanite and Shonkinite Definition


Shonkinite 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   
Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents   

History
  
  

Origin
Scotland   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From Alkalic Igneous complex near Loch Borralan in northwest Scotland   
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
Fine Grained Rock, Opaque Rock   
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Borolanite and Shonkinite

The general Borolanite and Shonkinite 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, Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents. Along with definition of Borolanite and Shonkinite, get to know about Properties of Borolanite and Shonkinite. Get to know more information about Borolanite and Shonkinite origin and discoverer, etymology and class.

Compare Igneous Rocks

History of Borolanite and Shonkinite

The history of Borolanite 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.

Borolanite and Shonkinite Origin and Discoverer

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

Etymology of Borolanite and Shonkinite

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

For Borolanite,

For Shonkinite,

Igneous Rocks

Igneous Rocks

» More Igneous Rocks

Compare Igneous Rocks

» More Compare Igneous Rocks