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Shonkinite
Shonkinite

Borolanite
Borolanite



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Shonkinite
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Shonkinite and Borolanite Definition

1 Definition
1.1 Definition
Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents
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
1.2 History
1.2.1 Origin
USA
Scotland
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US
From Alkalic Igneous complex near Loch Borralan in northwest Scotland
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Not Applicable
Plutonic
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Shonkinite and Borolanite

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

History of Shonkinite and Borolanite

The history of Shonkinite 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.

Shonkinite and Borolanite Origin and Discoverer

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

Etymology of Shonkinite and Borolanite

Along with Shonkinite and Borolanite definition, know more about the etymology of Shonkinite and Borolanite. Etymology of Shonkinite and Borolanite gives information about origin and formation of a particular rock. Know more about Formation of Shonkinite and Formation of Borolanite. The etymology of Shonkinite is From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US while that of Borolanite is From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shonkinite and Borolanite belong to Igneous Rocks. The sub-class, group and other categories of Shonkinite and Borolanite are listed below.

For Shonkinite,

  • Sub-class: Durable Rock and Medium Hardness Rock
  • Group: Not applicable
  • Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock

For Borolanite,

  • Sub-class: Durable Rock and Medium Hardness Rock
  • Group: Plutonic
  • Other Categories: Fine grained rock and Opaque rock