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Gritstone and Borolanite Definition


Borolanite and Gritstone Definition


Definition

Definition
Gritstone or grit is a hard, coarse-grained, siliceous sandstone   
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
Pennines, England   
Scotland   

Discoverer
J.J. Ferber   
Unknown   

Etymology
From Grit + Stone   
From Alkalic Igneous complex near Loch Borralan in northwest Scotland   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
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Definition of Gritstone and Borolanite

The general Gritstone and Borolanite definition can be stated as: Gritstone or grit is a hard, coarse-grained, siliceous sandstone. 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 Gritstone and Borolanite, get to know about Properties of Gritstone and Borolanite. Get to know more information about Gritstone and Borolanite origin and discoverer, etymology and class.

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History of Gritstone and Borolanite

The history of Gritstone 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.

Gritstone and Borolanite Origin and Discoverer

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

Etymology of Gritstone and Borolanite

Along with Gritstone and Borolanite definition, know more about the etymology of Gritstone and Borolanite. Etymology of Gritstone and Borolanite gives information about origin and formation of a particular rock. Know more about Formation of Gritstone and Formation of Borolanite. The etymology of Gritstone is From Grit + Stone while that of Borolanite is From Grit + Stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gritstone belongs to Sedimentary Rocks while Borolanite belongs to Igneous Rocks. The sub-class, group and other categories of Gritstone and Borolanite are listed below.

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For Borolanite,

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