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Trondhjemite and Kenyte Definition


Kenyte and Trondhjemite Definition


Definition

Definition
Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.   
Kenyte is a variety of porphyritic phonolite or trachyte rock with rhomb shaped phenocrysts of anorthoclase with variable olivine and augite in a glassy matrix   

History
  
  

Origin
Tonale, Italy   
Mount Kenya   

Discoverer
Unknown   
J. W. Gregory   

Etymology
Not Available   
From the mountain ranges- Mount Kenya and is named by J. W. Gregory in 1900   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Trondhjemite and Kenyte

The general Trondhjemite and Kenyte definition can be stated as: Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.. On the other hand, Kenyte is a variety of porphyritic phonolite or trachyte rock with rhomb shaped phenocrysts of anorthoclase with variable olivine and augite in a glassy matrix. Along with definition of Trondhjemite and Kenyte, get to know about Properties of Trondhjemite and Kenyte. Get to know more information about Trondhjemite and Kenyte origin and discoverer, etymology and class.

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History of Trondhjemite and Kenyte

The history of Trondhjemite and Kenyte 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.

Trondhjemite and Kenyte Origin and Discoverer

Trondhjemite and Kenyte definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Trondhjemite and Kenyte. In this section, you will know about Trondhjemite and Kenyte Origin and Discoverer. Origin of Trondhjemite is Tonale, Italy whereas Origin of Kenyte is Mount Kenya. It is interesting to know the name of Trondhjemite and Kenyte discoverer. The Discoverer of Trondhjemite is Unknown and the discoverer of Kenyte is J. W. Gregory.

Etymology of Trondhjemite and Kenyte

Along with Trondhjemite and Kenyte definition, know more about the etymology of Trondhjemite and Kenyte. Etymology of Trondhjemite and Kenyte gives information about origin and formation of a particular rock. Know more about Formation of Trondhjemite and Formation of Kenyte. The etymology of Trondhjemite is not available while that of Kenyte is not available. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trondhjemite and Kenyte belong to Igneous Rocks. The sub-class, group and other categories of Trondhjemite and Kenyte are listed below.

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