Epidosite and Obsidian Definition

Definition of Epidosite and Obsidian

The general Epidosite and Obsidian definition can be stated as: Epidosite is a highly altered epidote and quartz bearing rock which is a type of metasomatite, essentially altered basalt. 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 Epidosite and Obsidian, get to know about Properties of Epidosite and Obsidian. Get to know more information about Epidosite and Obsidian origin and discoverer, etymology and class.

History of Epidosite and Obsidian

The history of Epidosite 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.

Epidosite and Obsidian Origin and Discoverer

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

Etymology of Epidosite and Obsidian

Along with Epidosite and Obsidian definition, know more about the etymology of Epidosite and Obsidian. Etymology of Epidosite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Epidosite and Formation of Obsidian. The etymology of Epidosite is not available while that of Obsidian is not available. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Epidosite and Obsidian belong to Igneous Rocks. The sub-class, group and other categories of Epidosite and Obsidian are listed below.

For Epidosite,

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

For Obsidian,

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