Porphyry and Phonolite Definition

Definition of Porphyry and Phonolite

The general Porphyry and Phonolite 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, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Porphyry and Phonolite, get to know about Properties of Porphyry and Phonolite. Get to know more information about Porphyry and Phonolite origin and discoverer, etymology and class.

History of Porphyry and Phonolite

The history of Porphyry and Phonolite 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 Phonolite Origin and Discoverer

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

Etymology of Porphyry and Phonolite

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

For Porphyry,

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

For Phonolite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Fine grained rock and Opaque rock