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Websterite and Tonalite Definition


Tonalite and Websterite Definition


Definition

Definition
Websterite is ultramafic and ultrabasic rock that consists of roughly equal proportions of orthopyroxene and clinopyroxene. It is a special type of pyroxenite.   
Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture   

History
  
  

Origin
Webster, North Carolina   
Tonale, Italy   

Discoverer
Unknown   
Unknown   

Etymology
From the town of Webster located in North Carolina   
From Tonale Pass, northern Italy, + -ite1   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture >>
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Definition of Websterite and Tonalite

The general Websterite and Tonalite definition can be stated as: Websterite is ultramafic and ultrabasic rock that consists of roughly equal proportions of orthopyroxene and clinopyroxene. It is a special type of pyroxenite.. On the other hand, Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. Along with definition of Websterite and Tonalite, get to know about Properties of Websterite and Tonalite. Get to know more information about Websterite and Tonalite origin and discoverer, etymology and class.

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History of Websterite and Tonalite

The history of Websterite and Tonalite 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.

Websterite and Tonalite Origin and Discoverer

Websterite and Tonalite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Websterite and Tonalite. In this section, you will know about Websterite and Tonalite Origin and Discoverer. Origin of Websterite is Webster, North Carolina whereas Origin of Tonalite is Tonale, Italy. It is interesting to know the name of Websterite and Tonalite discoverer. The discoverer of Websterite and Tonalite are Unknown.

Etymology of Websterite and Tonalite

Along with Websterite and Tonalite definition, know more about the etymology of Websterite and Tonalite. Etymology of Websterite and Tonalite gives information about origin and formation of a particular rock. Know more about Formation of Websterite and Formation of Tonalite. The etymology of Websterite is From the town of Webster located in North Carolina while that of Tonalite is From the town of Webster located in North Carolina. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Websterite and Tonalite belong to Igneous Rocks. The sub-class, group and other categories of Websterite and Tonalite are listed below.

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