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Felsite and Lignite Definition


Lignite and Felsite Definition


Definition

Definition
Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition   
Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat   

History
  
  

Origin
Unknown   
France   

Discoverer
Unknown   
Unknown   

Etymology
From English feldspar and -ite   
From French, Latin lignum wood + -ite1   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture >>
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Definition of Felsite and Lignite

The general Felsite and Lignite definition can be stated as: Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. 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 Felsite and Lignite, get to know about Properties of Felsite and Lignite. Get to know more information about Felsite and Lignite origin and discoverer, etymology and class.

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History of Felsite and Lignite

The history of Felsite 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.

Felsite and Lignite Origin and Discoverer

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

Etymology of Felsite and Lignite

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

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For Lignite,

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