Breccia and Porphyry Definition

Definition of Breccia and Porphyry

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

History of Breccia and Porphyry

The history of Breccia 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.

Breccia and Porphyry Origin and Discoverer

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

Etymology of Breccia and Porphyry

Along with Breccia and Porphyry definition, know more about the etymology of Breccia and Porphyry. Etymology of Breccia and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Breccia and Formation of Porphyry. The etymology of Breccia is From Italian, literally gravel, Germanic origin and related to break while that of Porphyry is From Italian, literally gravel, Germanic origin and related to break. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Breccia belongs to Sedimentary Rocks while Porphyry belongs to Igneous Rocks. The sub-class, group and other categories of Breccia and Porphyry are listed below.

For Breccia,

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

For Porphyry,

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