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Gritstone and Troctolite Definition


Troctolite and Gritstone Definition


Definition

Definition
Gritstone or grit is a hard, coarse-grained, siliceous sandstone  
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  

History
  
  

Origin
Pennines, England  
-  

Discoverer
J.J. Ferber  
Christian Leopold von Buch  

Etymology
From Grit + Stone  
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)  

Class
Sedimentary Rocks  
Igneous Rocks  

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

Family
  
  

Group
-  
Plutonic  

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

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Definition of Gritstone and Troctolite

The general Gritstone and Troctolite definition can be stated as: Gritstone or grit is a hard, coarse-grained, siliceous sandstone. On the other hand, 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. Along with definition of Gritstone and Troctolite, get to know about Properties of Gritstone and Troctolite. Get to know more information about Gritstone and Troctolite origin and discoverer, etymology and class.

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History of Gritstone and Troctolite

The history of Gritstone and Troctolite 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 Troctolite Origin and Discoverer

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

Etymology of Gritstone and Troctolite

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

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For Troctolite,

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