Porphyry and Scoria Definition

Definition of Porphyry and Scoria

The general Porphyry and Scoria 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, Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. Along with definition of Porphyry and Scoria, get to know about Properties of Porphyry and Scoria. Get to know more information about Porphyry and Scoria origin and discoverer, etymology and class.

History of Porphyry and Scoria

The history of Porphyry and Scoria 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 Scoria Origin and Discoverer

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

Etymology of Porphyry and Scoria

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

For Porphyry,

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

For Scoria,

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