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Rhyodacite and Appinite Definition


Appinite and Rhyodacite Definition


Definition

Definition
Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite   
Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished   

History
  
  

Origin
USA   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite   
From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
<< Summary

Definition of Rhyodacite and Appinite

The general Rhyodacite and Appinite definition can be stated as: Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite. 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 Rhyodacite and Appinite, get to know about Properties of Rhyodacite and Appinite. Get to know more information about Rhyodacite and Appinite origin and discoverer, etymology and class.

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History of Rhyodacite and Appinite

The history of Rhyodacite 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.

Rhyodacite and Appinite Origin and Discoverer

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

Etymology of Rhyodacite and Appinite

Along with Rhyodacite and Appinite definition, know more about the etymology of Rhyodacite and Appinite. Etymology of Rhyodacite and Appinite gives information about origin and formation of a particular rock. Know more about Formation of Rhyodacite and Formation of Appinite. The etymology of Rhyodacite is Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite while that of Appinite is Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Rhyodacite and Appinite belong to Igneous Rocks. The sub-class, group and other categories of Rhyodacite and Appinite are listed below.

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For Appinite,

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