Skarn and Obsidian Definition

Definition of Skarn and Obsidian

The general Skarn and Obsidian definition can be stated as: Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin. On the other hand, Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth. Along with definition of Skarn and Obsidian, get to know about Properties of Skarn and Obsidian. Get to know more information about Skarn and Obsidian origin and discoverer, etymology and class.

History of Skarn and Obsidian

The history of Skarn and Obsidian 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.

Skarn and Obsidian Origin and Discoverer

Skarn and Obsidian definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Skarn and Obsidian. In this section, you will know about Skarn and Obsidian Origin and Discoverer. Origin of Skarn is USA, Australia whereas Origin of Obsidian is Ethiopia. It is interesting to know the name of Skarn and Obsidian discoverer. The Discoverer of Skarn is Tornebohm and the discoverer of Obsidian is Obsius.

Etymology of Skarn and Obsidian

Along with Skarn and Obsidian definition, know more about the etymology of Skarn and Obsidian. Etymology of Skarn and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Skarn and Formation of Obsidian. The etymology of Skarn is From an old Swedish mining term originally used to describe a type of silicate gangue or waste rock. while that of Obsidian is From an old Swedish mining term originally used to describe a type of silicate gangue or waste rock.. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Skarn belongs to Metamorphic Rocks while Obsidian belongs to Igneous Rocks. The sub-class, group and other categories of Skarn and Obsidian are listed below.

For Skarn,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock

For Obsidian,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Opaque rock