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Tonalite and Gritstone Definition


Gritstone and Tonalite Definition


Definition

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

History
  
  

Origin
Tonale, Italy   
Pennines, England   

Discoverer
Unknown   
J.J. Ferber   

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

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
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Definition of Tonalite and Gritstone

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

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History of Tonalite and Gritstone

The history of Tonalite and Gritstone 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.

Tonalite and Gritstone Origin and Discoverer

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

Etymology of Tonalite and Gritstone

Along with Tonalite and Gritstone definition, know more about the etymology of Tonalite and Gritstone. Etymology of Tonalite and Gritstone gives information about origin and formation of a particular rock. Know more about Formation of Tonalite and Formation of Gritstone. The etymology of Tonalite is From Tonale Pass, northern Italy, + -ite1 while that of Gritstone is From Tonale Pass, northern Italy, + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tonalite belongs to Igneous Rocks while Gritstone belongs to Sedimentary Rocks. The sub-class, group and other categories of Tonalite and Gritstone are listed below.

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