Foidolite and Porphyry Definition

Definition of Foidolite and Porphyry

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

History of Foidolite and Porphyry

The history of Foidolite 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.

Foidolite and Porphyry Origin and Discoverer

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

Etymology of Foidolite and Porphyry

Along with Foidolite and Porphyry definition, know more about the etymology of Foidolite and Porphyry. Etymology of Foidolite and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Foidolite and Formation of Porphyry. The etymology of Foidolite is From the mineral feldspathoid which is the main content of rock while that of Porphyry is From the mineral feldspathoid which is the main content of rock. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Foidolite and Porphyry belong to Igneous Rocks. The sub-class, group and other categories of Foidolite and Porphyry are listed below.

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

For Porphyry,

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