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Gritstone and Ijolite Definition


Ijolite and Gritstone Definition


Definition

Definition
Gritstone or grit is a hard, coarse-grained, siliceous sandstone   
Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite   

History
  
  

Origin
Pennines, England   
Finland, Europe   

Discoverer
J.J. Ferber   
Unknown   

Etymology
From Grit + Stone   
From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone   

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   
Coarse Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Gritstone and Ijolite

The general Gritstone and Ijolite definition can be stated as: Gritstone or grit is a hard, coarse-grained, siliceous sandstone. On the other hand, Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite. Along with definition of Gritstone and Ijolite, get to know about Properties of Gritstone and Ijolite. Get to know more information about Gritstone and Ijolite origin and discoverer, etymology and class.

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History of Gritstone and Ijolite

The history of Gritstone and Ijolite 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 Ijolite Origin and Discoverer

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

Etymology of Gritstone and Ijolite

Along with Gritstone and Ijolite definition, know more about the etymology of Gritstone and Ijolite. Etymology of Gritstone and Ijolite gives information about origin and formation of a particular rock. Know more about Formation of Gritstone and Formation of Ijolite. The etymology of Gritstone is From Grit + Stone while that of Ijolite 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 Ijolite belongs to Igneous Rocks. The sub-class, group and other categories of Gritstone and Ijolite are listed below.

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