Porphyry and Tuff Definition

Definition of Porphyry and Tuff

The general Porphyry and Tuff 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, Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Along with definition of Porphyry and Tuff, get to know about Properties of Porphyry and Tuff. Get to know more information about Porphyry and Tuff origin and discoverer, etymology and class.

History of Porphyry and Tuff

The history of Porphyry and Tuff 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 Tuff Origin and Discoverer

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

Etymology of Porphyry and Tuff

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

For Porphyry,

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

For Tuff,

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