Porphyry and Breccia Definition

Definition of Porphyry and Breccia

The general Porphyry and Breccia 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, Breccia is a rock consisting of angular fragments of stones which are cemented by finer calcareous material. Along with definition of Porphyry and Breccia, get to know about Properties of Porphyry and Breccia. Get to know more information about Porphyry and Breccia origin and discoverer, etymology and class.

History of Porphyry and Breccia

The history of Porphyry and Breccia 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 Breccia Origin and Discoverer

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

Etymology of Porphyry and Breccia

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

For Porphyry,

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

For Breccia,

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