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Lignite and Rhyolite Definition


Rhyolite and Lignite Definition


Definition

Definition
Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat   
Rhyolite is a fine-grained igneous rock which is rich in silica   

History
  
  

Origin
France   
North America   

Discoverer
Unknown   
Ferdinand von Richthofen   

Etymology
From French, Latin lignum wood + -ite1   
From German Rhyolit, from Greek rhuax lava stream + lithos stone   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

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Definition of Lignite and Rhyolite

The general Lignite and Rhyolite 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, Rhyolite is a fine-grained igneous rock which is rich in silica. Along with definition of Lignite and Rhyolite, get to know about Properties of Lignite and Rhyolite. Get to know more information about Lignite and Rhyolite origin and discoverer, etymology and class.

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History of Lignite and Rhyolite

The history of Lignite and Rhyolite 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 Rhyolite Origin and Discoverer

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

Etymology of Lignite and Rhyolite

Along with Lignite and Rhyolite definition, know more about the etymology of Lignite and Rhyolite. Etymology of Lignite and Rhyolite gives information about origin and formation of a particular rock. Know more about Formation of Lignite and Formation of Rhyolite. The etymology of Lignite is From French, Latin lignum wood + -ite1 while that of Rhyolite 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 Rhyolite belongs to Igneous Rocks. The sub-class, group and other categories of Lignite and Rhyolite are listed below.

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