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Scoria and Hornfels Definition


Hornfels and Scoria Definition


Definition

Definition
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities   
Hornfels is a metamorphic rock formed by the contact between mudstone or other clay rich rock, and a hot igneous body, and represents a heat altered equivalent of the original rock   

History
  
  

Origin
Unknown   
New Zealand   

Discoverer
Unknown   
Unknown   

Etymology
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung   
From German which means hornstone   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Scoria and Hornfels

The general Scoria and Hornfels definition can be stated as: Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. On the other hand, Hornfels is a metamorphic rock formed by the contact between mudstone or other clay rich rock, and a hot igneous body, and represents a heat altered equivalent of the original rock. Along with definition of Scoria and Hornfels, get to know about Properties of Scoria and Hornfels. Get to know more information about Scoria and Hornfels origin and discoverer, etymology and class.

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History of Scoria and Hornfels

The history of Scoria and Hornfels 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 Hornfels Origin and Discoverer

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

Etymology of Scoria and Hornfels

Along with Scoria and Hornfels definition, know more about the etymology of Scoria and Hornfels. Etymology of Scoria and Hornfels gives information about origin and formation of a particular rock. Know more about Formation of Scoria and Formation of Hornfels. The etymology of Scoria is From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung while that of Hornfels 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 belongs to Igneous Rocks while Hornfels belongs to Metamorphic Rocks. The sub-class, group and other categories of Scoria and Hornfels are listed below.

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