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Basalt and Trondhjemite Definition


Trondhjemite and Basalt Definition


Definition

Definition
Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth   
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.   

History
  
  

Origin
Egypt   
Tonale, Italy   

Discoverer
Georgius Agricola   
Unknown   

Etymology
From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites   
Not Available   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
<< Summary

Definition of Basalt and Trondhjemite

The general Basalt and Trondhjemite definition can be stated as: Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth. On the other hand, 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.. Along with definition of Basalt and Trondhjemite, get to know about Properties of Basalt and Trondhjemite. Get to know more information about Basalt and Trondhjemite origin and discoverer, etymology and class.

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History of Basalt and Trondhjemite

The history of Basalt and Trondhjemite 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.

Basalt and Trondhjemite Origin and Discoverer

Basalt and Trondhjemite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Basalt and Trondhjemite. In this section, you will know about Basalt and Trondhjemite Origin and Discoverer. Origin of Basalt is Egypt whereas Origin of Trondhjemite is Tonale, Italy. It is interesting to know the name of Basalt and Trondhjemite discoverer. The Discoverer of Basalt is Georgius Agricola and the discoverer of Trondhjemite is Unknown.

Etymology of Basalt and Trondhjemite

Along with Basalt and Trondhjemite definition, know more about the etymology of Basalt and Trondhjemite. Etymology of Basalt and Trondhjemite gives information about origin and formation of a particular rock. Know more about Formation of Basalt and Formation of Trondhjemite. The etymology of Basalt is From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites while that of Trondhjemite is From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Basalt and Trondhjemite belong to Igneous Rocks. The sub-class, group and other categories of Basalt and Trondhjemite are listed below.

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