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Scoria and Rhyolite Definition


Rhyolite and Scoria Definition


Definition

Definition
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities   
Rhyolite is a fine-grained igneous rock which is rich in silica   

History
  
  

Origin
Unknown   
North America   

Discoverer
Unknown   
Ferdinand von Richthofen   

Etymology
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung   
From German Rhyolit, from Greek rhuax lava stream + lithos stone   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Volcanic   

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

Texture >>
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Definition of Scoria and Rhyolite

The general Scoria and Rhyolite definition can be stated as: Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. On the other hand, Rhyolite is a fine-grained igneous rock which is rich in silica. Along with definition of Scoria and Rhyolite, get to know about Properties of Scoria and Rhyolite. Get to know more information about Scoria and Rhyolite origin and discoverer, etymology and class.

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History of Scoria and Rhyolite

The history of Scoria and Rhyolite 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.

Scoria and Rhyolite Origin and Discoverer

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

Etymology of Scoria and Rhyolite

Along with Scoria and Rhyolite definition, know more about the etymology of Scoria and Rhyolite. Etymology of Scoria and Rhyolite gives information about origin and formation of a particular rock. Know more about Formation of Scoria and Formation of Rhyolite. The etymology of Scoria is From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung while that of Rhyolite is From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Scoria and Rhyolite belong to Igneous Rocks. The sub-class, group and other categories of Scoria and Rhyolite are listed below.

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