Metapelite and Obsidian Definition

Definition of Metapelite and Obsidian

The general Metapelite and Obsidian definition can be stated as: Metapelite is an old and currently not widely used field geological term for a clay rich fine-grained clastic sediment or sedimentary rock, i.e. mud or a mudstone. 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 Metapelite and Obsidian, get to know about Properties of Metapelite and Obsidian. Get to know more information about Metapelite and Obsidian origin and discoverer, etymology and class.

History of Metapelite and Obsidian

The history of Metapelite 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.

Metapelite and Obsidian Origin and Discoverer

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

Etymology of Metapelite and Obsidian

Along with Metapelite and Obsidian definition, know more about the etymology of Metapelite and Obsidian. Etymology of Metapelite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Metapelite and Formation of Obsidian. The etymology of Metapelite is From Pelos or clay in Greek while that of Obsidian is From Pelos or clay in Greek. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Metapelite belongs to Metamorphic Rocks while Obsidian belongs to Igneous Rocks. The sub-class, group and other categories of Metapelite and Obsidian are listed below.

For Metapelite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock

For Obsidian,

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