Porphyry and Basalt Definition

Definition of Porphyry and Basalt

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

History of Porphyry and Basalt

The history of Porphyry 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.

Porphyry and Basalt Origin and Discoverer

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

Etymology of Porphyry and Basalt

Along with Porphyry and Basalt definition, know more about the etymology of Porphyry and Basalt. Etymology of Porphyry and Basalt gives information about origin and formation of a particular rock. Know more about Formation of Porphyry and Formation of Basalt. The etymology of Porphyry is From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites while that of Basalt is From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Porphyry and Basalt belong to Igneous Rocks. The sub-class, group and other categories of Porphyry and Basalt are listed below.

For Porphyry,

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