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Troctolite and Gritstone Definition


Gritstone and Troctolite Definition


Definition

Definition
Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro   
Gritstone or grit is a hard, coarse-grained, siliceous sandstone   

History
  
  

Origin
Unknown   
Pennines, England   

Discoverer
Christian Leopold von Buch   
J.J. Ferber   

Etymology
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)   
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, Opaque Rock   
Coarse Grained Rock, Opaque Rock   

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<< Summary

Definition of Troctolite and Gritstone

The general Troctolite and Gritstone definition can be stated as: Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. On the other hand, Gritstone or grit is a hard, coarse-grained, siliceous sandstone. Along with definition of Troctolite and Gritstone, get to know about Properties of Troctolite and Gritstone. Get to know more information about Troctolite and Gritstone origin and discoverer, etymology and class.

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History of Troctolite and Gritstone

The history of Troctolite 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.

Troctolite and Gritstone Origin and Discoverer

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

Etymology of Troctolite and Gritstone

Along with Troctolite and Gritstone definition, know more about the etymology of Troctolite and Gritstone. Etymology of Troctolite and Gritstone gives information about origin and formation of a particular rock. Know more about Formation of Troctolite and Formation of Gritstone. The etymology of Troctolite is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout) while that of Gritstone is From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Troctolite belongs to Igneous Rocks while Gritstone belongs to Sedimentary Rocks. The sub-class, group and other categories of Troctolite and Gritstone are listed below.

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