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Borolanite and Tachylite Definition


Tachylite 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   
Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt   

History
  
  

Origin
Scotland   
Iceland   

Discoverer
Unknown   
Unknown   

Etymology
From Alkalic Igneous complex near Loch Borralan in northwest Scotland   
From German Tachylite, from tachy- + Greek lutos soluble, melting   

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 Tachylite

The general Borolanite and Tachylite 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, Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. Along with definition of Borolanite and Tachylite, get to know about Properties of Borolanite and Tachylite. Get to know more information about Borolanite and Tachylite origin and discoverer, etymology and class.

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History of Borolanite and Tachylite

The history of Borolanite and Tachylite 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 Tachylite Origin and Discoverer

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

Etymology of Borolanite and Tachylite

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

For Borolanite,

For Tachylite,

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