Basalt and Schist Definition

Definition of Basalt and Schist

The general Basalt and Schist definition can be stated as: Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth. On the other hand, Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. Along with definition of Basalt and Schist, get to know about Properties of Basalt and Schist. Get to know more information about Basalt and Schist origin and discoverer, etymology and class.

History of Basalt and Schist

The history of Basalt and Schist 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.

Basalt and Schist Origin and Discoverer

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

Etymology of Basalt and Schist

Along with Basalt and Schist definition, know more about the etymology of Basalt and Schist. Etymology of Basalt and Schist gives information about origin and formation of a particular rock. Know more about Formation of Basalt and Formation of Schist. The etymology of Basalt is From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites while that of Schist is From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Basalt belongs to Igneous Rocks while Schist belongs to Metamorphic Rocks. The sub-class, group and other categories of Basalt and Schist are listed below.

For Basalt,

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

For Schist,

• 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