Basalt and Porphyry Definition

Definition of Basalt and Porphyry

The general Basalt and Porphyry 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, Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. Along with definition of Basalt and Porphyry, get to know about Properties of Basalt and Porphyry. Get to know more information about Basalt and Porphyry origin and discoverer, etymology and class.

History of Basalt and Porphyry

The history of Basalt and Porphyry 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 Porphyry Origin and Discoverer

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

Etymology of Basalt and Porphyry

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

For Basalt,

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

For Porphyry,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Fine grained rock and Opaque rock