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Ijolite and Hornfels Definition


Hornfels and Ijolite Definition


Definition

Definition
Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite   
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
Finland, Europe   
New Zealand   

Discoverer
Unknown   
Unknown   

Etymology
From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone   
From German which means hornstone   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Ijolite and Hornfels

The general Ijolite and Hornfels definition can be stated as: Ijolite is an intrusive igneous rock which is composed mainly of nepheline and an alkali pyroxene, usually aegirine-augite. 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 Ijolite and Hornfels, get to know about Properties of Ijolite and Hornfels. Get to know more information about Ijolite and Hornfels origin and discoverer, etymology and class.

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History of Ijolite and Hornfels

The history of Ijolite 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.

Ijolite and Hornfels Origin and Discoverer

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

Etymology of Ijolite and Hornfels

Along with Ijolite and Hornfels definition, know more about the etymology of Ijolite and Hornfels. Etymology of Ijolite and Hornfels gives information about origin and formation of a particular rock. Know more about Formation of Ijolite and Formation of Hornfels. The etymology of Ijolite is From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone while that of Hornfels is From the first syllable of the Finnish words Ii-vaara, Iijoki, &c. commonly used geographical names in Finland, and the Gr. Xiflos, a stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Ijolite belongs to Igneous Rocks while Hornfels belongs to Metamorphic Rocks. The sub-class, group and other categories of Ijolite and Hornfels are listed below.

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