Porphyry and Foidolite Definition

Definition of Porphyry and Foidolite

The general Porphyry and Foidolite 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, Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%. Along with definition of Porphyry and Foidolite, get to know about Properties of Porphyry and Foidolite. Get to know more information about Porphyry and Foidolite origin and discoverer, etymology and class.

History of Porphyry and Foidolite

The history of Porphyry and Foidolite 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 Foidolite Origin and Discoverer

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

Etymology of Porphyry and Foidolite

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

For Porphyry,

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

For Foidolite,

• Sub-class: Durable Rock and Soft Rock
• Group: Plutonic
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock