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Lignite and Tuff Definition


Tuff and Lignite Definition


Definition

Definition
Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat   
Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption   

History
  
  

Origin
France   
Italy   

Discoverer
Unknown   
Unknown   

Etymology
From French, Latin lignum wood + -ite1   
From a Latin word tophous then in Italian tufo and finally tuff   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture >>
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Definition of Lignite and Tuff

The general Lignite and Tuff definition can be stated as: Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat. On the other hand, Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Along with definition of Lignite and Tuff, get to know about Properties of Lignite and Tuff. Get to know more information about Lignite and Tuff origin and discoverer, etymology and class.

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History of Lignite and Tuff

The history of Lignite and Tuff 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.

Lignite and Tuff Origin and Discoverer

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

Etymology of Lignite and Tuff

Along with Lignite and Tuff definition, know more about the etymology of Lignite and Tuff. Etymology of Lignite and Tuff gives information about origin and formation of a particular rock. Know more about Formation of Lignite and Formation of Tuff. The etymology of Lignite is From French, Latin lignum wood + -ite1 while that of Tuff is From French, Latin lignum wood + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Lignite belongs to Sedimentary Rocks while Tuff belongs to Igneous Rocks. The sub-class, group and other categories of Lignite and Tuff are listed below.

For Lignite,

For Tuff,

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