Migmatite and Obsidian Definition

Definition of Migmatite and Obsidian

The general Migmatite and Obsidian definition can be stated as: Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components. 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 Migmatite and Obsidian, get to know about Properties of Migmatite and Obsidian. Get to know more information about Migmatite and Obsidian origin and discoverer, etymology and class.

History of Migmatite and Obsidian

The history of Migmatite 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.

Migmatite and Obsidian Origin and Discoverer

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

Etymology of Migmatite and Obsidian

Along with Migmatite and Obsidian definition, know more about the etymology of Migmatite and Obsidian. Etymology of Migmatite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Migmatite and Formation of Obsidian. The etymology of Migmatite is From the Greek word migma which means a mixture while that of Obsidian is From the Greek word migma which means a mixture. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Migmatite belongs to Metamorphic Rocks while Obsidian belongs to Igneous Rocks. The sub-class, group and other categories of Migmatite and Obsidian are listed below.

For Migmatite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock

For Obsidian,

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