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Troctolite and Chert Definition


Chert 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   
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture   

History
  
  

Discoverer
Christian Leopold von Buch   
Unknown   

Etymology
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)   
From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use   

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   
Fine Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Troctolite and Chert

The general Troctolite and Chert 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, Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. Along with definition of Troctolite and Chert, get to know about Properties of Troctolite and Chert. Get to know more information about Troctolite and Chert origin and discoverer, etymology and class.

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History of Troctolite and Chert

The history of Troctolite and Chert 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 Chert Origin and Discoverer

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

Etymology of Troctolite and Chert

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

For Troctolite,

For Chert,

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