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Chert and Rhyodacite Definition


Rhyodacite and Chert Definition


Definition

Definition
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture   
Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite   

History
  
  

Origin
Unknown   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use   
Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture >>
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Definition of Chert and Rhyodacite

The general Chert and Rhyodacite 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, Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite. Along with definition of Chert and Rhyodacite, get to know about Properties of Chert and Rhyodacite. Get to know more information about Chert and Rhyodacite origin and discoverer, etymology and class.

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History of Chert and Rhyodacite

The history of Chert and Rhyodacite 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 Rhyodacite Origin and Discoverer

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

Etymology of Chert and Rhyodacite

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

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