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Hornfels and Shoshonite Definition


Shoshonite and Hornfels Definition


Definition

Definition
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   
Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass   

History
  
  

Origin
New Zealand   
Wyoming,USA   

Discoverer
Unknown   
Iddings   

Etymology
From German which means hornstone   
From the place of origin called Shoshone riverin Wyoming   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture >>
<< Summary

Definition of Hornfels and Shoshonite

The general Hornfels and Shoshonite definition can be stated as: 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. On the other hand, Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass. Along with definition of Hornfels and Shoshonite, get to know about Properties of Hornfels and Shoshonite. Get to know more information about Hornfels and Shoshonite origin and discoverer, etymology and class.

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History of Hornfels and Shoshonite

The history of Hornfels and Shoshonite 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.

Hornfels and Shoshonite Origin and Discoverer

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

Etymology of Hornfels and Shoshonite

Along with Hornfels and Shoshonite definition, know more about the etymology of Hornfels and Shoshonite. Etymology of Hornfels and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Hornfels and Formation of Shoshonite. The etymology of Hornfels is From German which means hornstone while that of Shoshonite is From German which means hornstone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Hornfels belongs to Metamorphic Rocks while Shoshonite belongs to Igneous Rocks. The sub-class, group and other categories of Hornfels and Shoshonite are listed below.

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