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Variolite and Mudstone Definition


Mudstone and Variolite Definition


Definition

Definition
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   
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   

History
  
  

Origin
France   
Unknown   

Discoverer
Unknown   
Unknown   

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

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

Other Categories
Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture >>
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Definition of Variolite and Mudstone

The general Variolite and Mudstone definition can be stated as: 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. On the other hand, 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. Along with definition of Variolite and Mudstone, get to know about Properties of Variolite and Mudstone. Get to know more information about Variolite and Mudstone origin and discoverer, etymology and class.

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History of Variolite and Mudstone

The history of Variolite and Mudstone 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.

Variolite and Mudstone Origin and Discoverer

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

Etymology of Variolite and Mudstone

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

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