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Hornfels and Troctolite Definition


Troctolite 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   
Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro   

History
  
  

Origin
New Zealand   
Unknown   

Discoverer
Unknown   
Christian Leopold von Buch   

Etymology
From German which means hornstone   
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)   

Class
Metamorphic Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Soft Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
<< Summary

Definition of Hornfels and Troctolite

The general Hornfels and Troctolite 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, Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. Along with definition of Hornfels and Troctolite, get to know about Properties of Hornfels and Troctolite. Get to know more information about Hornfels and Troctolite origin and discoverer, etymology and class.

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History of Hornfels and Troctolite

The history of Hornfels and Troctolite 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 Troctolite Origin and Discoverer

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

Etymology of Hornfels and Troctolite

Along with Hornfels and Troctolite definition, know more about the etymology of Hornfels and Troctolite. Etymology of Hornfels and Troctolite gives information about origin and formation of a particular rock. Know more about Formation of Hornfels and Formation of Troctolite. The etymology of Hornfels is From German which means hornstone while that of Troctolite 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 Troctolite belongs to Igneous Rocks. The sub-class, group and other categories of Hornfels and Troctolite are listed below.

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