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Tephrite and Lignite Definition


Lignite and Tephrite Definition


Definition

Definition
Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock   
Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat   

History
  
  

Origin
Germany   
France   

Discoverer
Van Tooren   
Unknown   

Etymology
From Greek tephra, ashes from Indo-European base, to burn   
From French, Latin lignum wood + -ite1   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

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<< Summary

Definition of Tephrite and Lignite

The general Tephrite and Lignite definition can be stated as: Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock. On the other hand, Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat. Along with definition of Tephrite and Lignite, get to know about Properties of Tephrite and Lignite. Get to know more information about Tephrite and Lignite origin and discoverer, etymology and class.

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History of Tephrite and Lignite

The history of Tephrite and Lignite 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.

Tephrite and Lignite Origin and Discoverer

Tephrite and Lignite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Tephrite and Lignite. In this section, you will know about Tephrite and Lignite Origin and Discoverer. Origin of Tephrite is Germany whereas Origin of Lignite is France. It is interesting to know the name of Tephrite and Lignite discoverer. The Discoverer of Tephrite is Van Tooren and the discoverer of Lignite is Unknown.

Etymology of Tephrite and Lignite

Along with Tephrite and Lignite definition, know more about the etymology of Tephrite and Lignite. Etymology of Tephrite and Lignite gives information about origin and formation of a particular rock. Know more about Formation of Tephrite and Formation of Lignite. The etymology of Tephrite is From Greek tephra, ashes from Indo-European base, to burn while that of Lignite is From Greek tephra, ashes from Indo-European base, to burn. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tephrite belongs to Igneous Rocks while Lignite belongs to Sedimentary Rocks. The sub-class, group and other categories of Tephrite and Lignite are listed below.

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For Lignite,

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