Gabbro and Obsidian Definition

Definition of Gabbro and Obsidian

The general Gabbro and Obsidian definition can be stated as: Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic 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 Gabbro and Obsidian, get to know about Properties of Gabbro and Obsidian. Get to know more information about Gabbro and Obsidian origin and discoverer, etymology and class.

History of Gabbro and Obsidian

The history of Gabbro 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.

Gabbro and Obsidian Origin and Discoverer

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

Etymology of Gabbro and Obsidian

Along with Gabbro and Obsidian definition, know more about the etymology of Gabbro and Obsidian. Etymology of Gabbro and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Gabbro and Formation of Obsidian. The etymology of Gabbro is From Latin glaber bare, smooth, bald while that of Obsidian is From Latin glaber bare, smooth, bald. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gabbro and Obsidian belong to Igneous Rocks. The sub-class, group and other categories of Gabbro and Obsidian are listed below.

For Gabbro,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Coarse grained rock and Opaque rock

For Obsidian,

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