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Andesite and Rhyodacite Definition


Rhyodacite and Andesite Definition


Definition

Definition
Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava   
Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite   

History
  
  

Origin
North America   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From Andes mountains, where it is found in abundance   
Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Volcanic   

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

Texture >>
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Definition of Andesite and Rhyodacite

The general Andesite and Rhyodacite definition can be stated as: Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. On the other hand, Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite. Along with definition of Andesite and Rhyodacite, get to know about Properties of Andesite and Rhyodacite. Get to know more information about Andesite and Rhyodacite origin and discoverer, etymology and class.

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History of Andesite and Rhyodacite

The history of Andesite 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.

Andesite and Rhyodacite Origin and Discoverer

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

Etymology of Andesite and Rhyodacite

Along with Andesite and Rhyodacite definition, know more about the etymology of Andesite and Rhyodacite. Etymology of Andesite and Rhyodacite gives information about origin and formation of a particular rock. Know more about Formation of Andesite and Formation of Rhyodacite. The etymology of Andesite is From Andes mountains, where it is found in abundance while that of Rhyodacite is From Andes mountains, where it is found in abundance. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Andesite and Rhyodacite belong to Igneous Rocks. The sub-class, group and other categories of Andesite and Rhyodacite are listed below.

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