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Shoshonite and Hornfels Definition


Hornfels and Shoshonite Definition


Definition

Definition
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   
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
Wyoming,USA   
New Zealand   

Discoverer
Iddings   
Unknown   

Etymology
From the place of origin called Shoshone riverin Wyoming   
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
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Shoshonite and Hornfels

The general Shoshonite and Hornfels definition can be stated as: 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. 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 Shoshonite and Hornfels, get to know about Properties of Shoshonite and Hornfels. Get to know more information about Shoshonite and Hornfels origin and discoverer, etymology and class.

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History of Shoshonite and Hornfels

The history of Shoshonite 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.

Shoshonite and Hornfels Origin and Discoverer

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

Etymology of Shoshonite and Hornfels

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

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