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Gritstone and Tonalite Definition


Tonalite and Gritstone Definition


Definition

Definition
Gritstone or grit is a hard, coarse-grained, siliceous sandstone   
Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture   

History
  
  

Origin
Pennines, England   
Tonale, Italy   

Discoverer
J.J. Ferber   
Unknown   

Etymology
From Grit + Stone   
From Tonale Pass, northern Italy, + -ite1   

Class
Sedimentary Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
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Definition of Gritstone and Tonalite

The general Gritstone and Tonalite definition can be stated as: Gritstone or grit is a hard, coarse-grained, siliceous sandstone. On the other hand, Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. Along with definition of Gritstone and Tonalite, get to know about Properties of Gritstone and Tonalite. Get to know more information about Gritstone and Tonalite origin and discoverer, etymology and class.

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History of Gritstone and Tonalite

The history of Gritstone and Tonalite 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 Tonalite Origin and Discoverer

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

Etymology of Gritstone and Tonalite

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

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For Tonalite,

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