Obsidian and Lamprophyre Definition

Definition of Obsidian and Lamprophyre

The general Obsidian and Lamprophyre 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, Lamprophyre is uncommon igneous rocks primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions. Along with definition of Obsidian and Lamprophyre, get to know about Properties of Obsidian and Lamprophyre. Get to know more information about Obsidian and Lamprophyre origin and discoverer, etymology and class.

History of Obsidian and Lamprophyre

The history of Obsidian and Lamprophyre 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 Lamprophyre Origin and Discoverer

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

Etymology of Obsidian and Lamprophyre

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

For Obsidian,

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

For Lamprophyre,

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