Anthracite and Basalt Definition

Definition of Anthracite and Basalt

The general Anthracite and Basalt definition can be stated as: Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. On the other hand, Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth. Along with definition of Anthracite and Basalt, get to know about Properties of Anthracite and Basalt. Get to know more information about Anthracite and Basalt origin and discoverer, etymology and class.

History of Anthracite and Basalt

The history of Anthracite and Basalt 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.

Anthracite and Basalt Origin and Discoverer

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

Etymology of Anthracite and Basalt

Along with Anthracite and Basalt definition, know more about the etymology of Anthracite and Basalt. Etymology of Anthracite and Basalt gives information about origin and formation of a particular rock. Know more about Formation of Anthracite and Formation of Basalt. The etymology of Anthracite is From Greek anthrakites, from anthrax, anthrak meaning coal while that of Basalt is From Greek anthrakites, from anthrax, anthrak meaning coal. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anthracite belongs to Metamorphic Rocks while Basalt belongs to Igneous Rocks. The sub-class, group and other categories of Anthracite and Basalt are listed below.

For Anthracite,

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

For Basalt,

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