Variolite and Skarn 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
  
Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin
  
History
  
  
Origin
France
  
USA, Australia
  
Discoverer
Unknown
  
Tornebohm
  
Etymology
From Latin varius, speckled, variegated
  
From an old Swedish mining term originally used to describe a type of silicate gangue or waste rock.
  
Class
Igneous Rocks
  
Metamorphic Rocks
  
Sub-Class
Durable Rock, Hard Rock
  
Durable Rock, Hard Rock
  
Family
  
  
Group
Volcanic
  
Not Applicable
  
Other Categories
Opaque Rock
  
Fine Grained Rock, Opaque Rock
  
Definition of Variolite and Skarn
The general Variolite and Skarn 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, Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin. Along with definition of Variolite and Skarn, get to know about Properties of Variolite and Skarn. Get to know more information about Variolite and Skarn origin and discoverer, etymology and class.
History of Variolite and Skarn
The history of Variolite and Skarn 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 Skarn Origin and Discoverer
Variolite and Skarn definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Variolite and Skarn. In this section, you will know about Variolite and Skarn Origin and Discoverer. Origin of Variolite is France whereas Origin of Skarn is USA, Australia. It is interesting to know the name of Variolite and Skarn discoverer. The Discoverer of Variolite is Unknown and the discoverer of Skarn is Tornebohm.
Etymology of Variolite and Skarn
Along with Variolite and Skarn definition, know more about the etymology of Variolite and Skarn. Etymology of Variolite and Skarn gives information about origin and formation of a particular rock. Know more about Formation of Variolite and Formation of Skarn. The etymology of Variolite is From Latin varius, speckled, variegated while that of Skarn 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 Skarn belongs to Metamorphic Rocks. The sub-class, group and other categories of Variolite and Skarn are listed below.
For Variolite,
- Sub-class: Durable Rock and Hard Rock
- Group: Volcanic
- Other Categories: Opaque rock
For Skarn,
- Sub-class: Durable Rock and Hard Rock
- Group: Not applicable
- Other Categories: Fine grained rock and Opaque rock