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Rhyodacite and Foidolite Definition


Foidolite and Rhyodacite Definition


Definition

Definition
Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite   
Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%   

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 mineral feldspathoid which is the main content of rock   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
<< Summary

Definition of Rhyodacite and Foidolite

The general Rhyodacite and Foidolite definition can be stated as: Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite. On the other hand, Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%. Along with definition of Rhyodacite and Foidolite, get to know about Properties of Rhyodacite and Foidolite. Get to know more information about Rhyodacite and Foidolite origin and discoverer, etymology and class.

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History of Rhyodacite and Foidolite

The history of Rhyodacite and Foidolite 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 Foidolite Origin and Discoverer

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

Etymology of Rhyodacite and Foidolite

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

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