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Chert and Appinite Definition


Appinite and Chert Definition


Definition

Definition
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture   
Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished   

History
  
  

Discoverer
Unknown   
Unknown   

Etymology
From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use   
From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple   

Class
Sedimentary Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
<< Summary

Definition of Chert and Appinite

The general Chert and Appinite 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, Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished. Along with definition of Chert and Appinite, get to know about Properties of Chert and Appinite. Get to know more information about Chert and Appinite origin and discoverer, etymology and class.

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History of Chert and Appinite

The history of Chert and Appinite 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 Appinite Origin and Discoverer

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

Etymology of Chert and Appinite

Along with Chert and Appinite definition, know more about the etymology of Chert and Appinite. Etymology of Chert and Appinite gives information about origin and formation of a particular rock. Know more about Formation of Chert and Formation of Appinite. 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 Appinite 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 Appinite belongs to Igneous Rocks. The sub-class, group and other categories of Chert and Appinite are listed below.

For Chert,

For Appinite,

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