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Borolanite and Rhyodacite Definition


Rhyodacite and Borolanite Definition


Definition

Definition
Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix   
Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite   

History
  
  

Origin
Scotland   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From Alkalic Igneous complex near Loch Borralan in northwest Scotland   
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, Medium Hardness Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Plutonic   
Volcanic   

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

Texture >>
<< Summary

Definition of Borolanite and Rhyodacite

The general Borolanite and Rhyodacite definition can be stated as: Borolanite is a variety of Nepheline Syenite and belongs to igneous rocks and contains nepheline-alkali feldspar pseudomorphs which occur as conspicuous white spots in the dark rock matrix. On the other hand, Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite. Along with definition of Borolanite and Rhyodacite, get to know about Properties of Borolanite and Rhyodacite. Get to know more information about Borolanite and Rhyodacite origin and discoverer, etymology and class.

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History of Borolanite and Rhyodacite

The history of Borolanite 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.

Borolanite and Rhyodacite Origin and Discoverer

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

Etymology of Borolanite and Rhyodacite

Along with Borolanite and Rhyodacite definition, know more about the etymology of Borolanite and Rhyodacite. Etymology of Borolanite and Rhyodacite gives information about origin and formation of a particular rock. Know more about Formation of Borolanite and Formation of Rhyodacite. The etymology of Borolanite is From Alkalic Igneous complex near Loch Borralan in northwest Scotland while that of Rhyodacite is From Alkalic Igneous complex near Loch Borralan in northwest Scotland. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Borolanite and Rhyodacite belong to Igneous Rocks. The sub-class, group and other categories of Borolanite and Rhyodacite are listed below.

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