Basalt and Phonolite Definition

Definition of Basalt and Phonolite

The general Basalt and Phonolite 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, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Basalt and Phonolite, get to know about Properties of Basalt and Phonolite. Get to know more information about Basalt and Phonolite origin and discoverer, etymology and class.

History of Basalt and Phonolite

The history of Basalt and Phonolite 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 Phonolite Origin and Discoverer

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

Etymology of Basalt and Phonolite

Along with Basalt and Phonolite definition, know more about the etymology of Basalt and Phonolite. Etymology of Basalt and Phonolite gives information about origin and formation of a particular rock. Know more about Formation of Basalt and Formation of Phonolite. 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 Phonolite 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 and Phonolite belong to Igneous Rocks. The sub-class, group and other categories of Basalt and Phonolite are listed below.

For Basalt,

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

For Phonolite,

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