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Foidolite and Rhyodacite Definition


Rhyodacite and Foidolite Definition


Definition

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

History
  
  

Origin
Unknown   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From the mineral feldspathoid which is the main content of rock   
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, Soft Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Plutonic   
Volcanic   

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

Texture >>
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Definition of Foidolite and Rhyodacite

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

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History of Foidolite and Rhyodacite

The history of Foidolite 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.

Foidolite and Rhyodacite Origin and Discoverer

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

Etymology of Foidolite and Rhyodacite

Along with Foidolite and Rhyodacite definition, know more about the etymology of Foidolite and Rhyodacite. Etymology of Foidolite and Rhyodacite gives information about origin and formation of a particular rock. Know more about Formation of Foidolite and Formation of Rhyodacite. The etymology of Foidolite is From the mineral feldspathoid which is the main content of rock while that of Rhyodacite is From the mineral feldspathoid which is the main content of rock. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Foidolite and Rhyodacite belong to Igneous Rocks. The sub-class, group and other categories of Foidolite and Rhyodacite are listed below.

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