Oolite and Obsidian Definition

Definition of Oolite and Obsidian

The general Oolite and Obsidian definition can be stated as: Oolite is a sedimentary rock formed from ooids, spherical grains which are composed of concentric layers of calcite. 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 Oolite and Obsidian, get to know about Properties of Oolite and Obsidian. Get to know more information about Oolite and Obsidian origin and discoverer, etymology and class.

History of Oolite and Obsidian

The history of Oolite 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.

Oolite and Obsidian Origin and Discoverer

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

Etymology of Oolite and Obsidian

Along with Oolite and Obsidian definition, know more about the etymology of Oolite and Obsidian. Etymology of Oolite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Oolite and Formation of Obsidian. The etymology of Oolite is From oo- + -lite, after German Oolit. A rock consisting of fine grains of carbonate of lime while that of Obsidian is From oo- + -lite, after German Oolit. A rock consisting of fine grains of carbonate of lime. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Oolite belongs to Sedimentary Rocks while Obsidian belongs to Igneous Rocks. The sub-class, group and other categories of Oolite and Obsidian are listed below.

For Oolite,

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

For Obsidian,

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