Home
Compare Rocks


Tuff and Lignite Definition


Lignite and Tuff Definition


Definition

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

History
  
  

Origin
Italy   
France   

Discoverer
Unknown   
Unknown   

Etymology
From a Latin word tophous then in Italian tufo and finally tuff   
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 >>
<< Summary

Definition of Tuff and Lignite

The general Tuff and Lignite definition can be stated as: Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. 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 Tuff and Lignite, get to know about Properties of Tuff and Lignite. Get to know more information about Tuff and Lignite origin and discoverer, etymology and class.

Compare Igneous Rocks

History of Tuff and Lignite

The history of Tuff 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.

Tuff and Lignite Origin and Discoverer

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

Etymology of Tuff and Lignite

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

For Tuff,

For Lignite,

Igneous Rocks

Igneous Rocks

» More Igneous Rocks

Compare Igneous Rocks

» More Compare Igneous Rocks