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Gritstone and Phonolite Definition


Phonolite and Gritstone Definition


Definition

Definition
Gritstone or grit is a hard, coarse-grained, siliceous sandstone   
Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic   

History
  
  

Origin
Pennines, England   
Unknown   

Discoverer
J.J. Ferber   
Unknown   

Etymology
From Grit + Stone   
From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
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Definition of Gritstone and Phonolite

The general Gritstone and Phonolite definition can be stated as: Gritstone or grit is a hard, coarse-grained, siliceous sandstone. On the other hand, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Gritstone and Phonolite, get to know about Properties of Gritstone and Phonolite. Get to know more information about Gritstone and Phonolite origin and discoverer, etymology and class.

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History of Gritstone and Phonolite

The history of Gritstone and Phonolite 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 Phonolite Origin and Discoverer

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

Etymology of Gritstone and Phonolite

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

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