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Chert and Adamellite Definition


Adamellite and Chert Definition


Definition

Definition
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture  
Adamellite is a coarse-grained porphyritic igneous rock, a variety of Monzogranite and dominated by phenocrysts of orthoclase in a granular groundmass of perthite, plagioclase and quartz  

History
  
  

Origin
-  
Italy  

Discoverer
Unknown  
Unknown  

Etymology
From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use  
From German adamellit and from Monte Adamello, a mountain in Italy, its locality  

Class
Sedimentary Rocks  
Igneous Rocks  

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

Family
  
  

Group
-  
Plutonic  

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

Texture >>
<< Summary

Definition of Chert and Adamellite

The general Chert and Adamellite definition can be stated as: Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. On the other hand, Adamellite is a coarse-grained porphyritic igneous rock, a variety of Monzogranite and dominated by phenocrysts of orthoclase in a granular groundmass of perthite, plagioclase and quartz. Along with definition of Chert and Adamellite, get to know about Properties of Chert and Adamellite. Get to know more information about Chert and Adamellite origin and discoverer, etymology and class.

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History of Chert and Adamellite

The history of Chert and Adamellite 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.

Chert and Adamellite Origin and Discoverer

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

Etymology of Chert and Adamellite

Along with Chert and Adamellite definition, know more about the etymology of Chert and Adamellite. Etymology of Chert and Adamellite gives information about origin and formation of a particular rock. Know more about Formation of Chert and Formation of Adamellite. The etymology of Chert is From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use while that of Adamellite is From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Chert belongs to Sedimentary Rocks while Adamellite belongs to Igneous Rocks. The sub-class, group and other categories of Chert and Adamellite are listed below.

For Chert,

For Adamellite,

Sedimentary Rocks

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