Obsidian and Conglomerate Definition

Definition of Obsidian and Conglomerate

The general Obsidian and Conglomerate definition can be stated as: 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. On the other hand, Conglomerate is a sedimentary rock which forms from rounded gravel and boulder sized clasts which are cemented together in a matrix. Along with definition of Obsidian and Conglomerate, get to know about Properties of Obsidian and Conglomerate. Get to know more information about Obsidian and Conglomerate origin and discoverer, etymology and class.

History of Obsidian and Conglomerate

The history of Obsidian and Conglomerate 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.

Obsidian and Conglomerate Origin and Discoverer

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

Etymology of Obsidian and Conglomerate

Along with Obsidian and Conglomerate definition, know more about the etymology of Obsidian and Conglomerate. Etymology of Obsidian and Conglomerate gives information about origin and formation of a particular rock. Know more about Formation of Obsidian and Formation of Conglomerate. The etymology of Obsidian is From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius while that of Conglomerate is From Latin obsidianus, misprint of Obsianus (lapis) (stone) of Obsius. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Obsidian belongs to Igneous Rocks while Conglomerate belongs to Sedimentary Rocks. The sub-class, group and other categories of Obsidian and Conglomerate are listed below.

For Obsidian,

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

For Conglomerate,

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