Obsidian and Laterite Definition

Definition of Obsidian and Laterite

The general Obsidian and Laterite 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, Laterite rock is a type of Sedimentary rock which is rich in iron and aluminium, formed in hot and wet tropical areas. Along with definition of Obsidian and Laterite, get to know about Properties of Obsidian and Laterite. Get to know more information about Obsidian and Laterite origin and discoverer, etymology and class.

History of Obsidian and Laterite

The history of Obsidian and Laterite 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 Laterite Origin and Discoverer

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

Etymology of Obsidian and Laterite

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

For Obsidian,

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

For Laterite,

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