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Mudstone and Variolite Definition


Variolite and Mudstone Definition


Definition

Definition
Mudstone is a fine-grained, dark gray sedimentary rock, which is formed from silt and clay and is similar to shale but has less laminations   
Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance   

History
  
  

Origin
Unknown   
France   

Discoverer
Unknown   
Unknown   

Etymology
From the English mud and stone, from low German mudde and stainaz   
From Latin varius, speckled, variegated   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

Other Categories
Fine Grained Rock, Opaque Rock   
Opaque Rock   

Texture >>
<< Summary

Definition of Mudstone and Variolite

The general Mudstone and Variolite definition can be stated as: Mudstone is a fine-grained, dark gray sedimentary rock, which is formed from silt and clay and is similar to shale but has less laminations. On the other hand, Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance. Along with definition of Mudstone and Variolite, get to know about Properties of Mudstone and Variolite. Get to know more information about Mudstone and Variolite origin and discoverer, etymology and class.

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History of Mudstone and Variolite

The history of Mudstone and Variolite 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.

Mudstone and Variolite Origin and Discoverer

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

Etymology of Mudstone and Variolite

Along with Mudstone and Variolite definition, know more about the etymology of Mudstone and Variolite. Etymology of Mudstone and Variolite gives information about origin and formation of a particular rock. Know more about Formation of Mudstone and Formation of Variolite. The etymology of Mudstone is From the English mud and stone, from low German mudde and stainaz while that of Variolite is From the English mud and stone, from low German mudde and stainaz. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Mudstone belongs to Sedimentary Rocks while Variolite belongs to Igneous Rocks. The sub-class, group and other categories of Mudstone and Variolite are listed below.

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