Foidolite and Phonolite Definition

Definition of Foidolite and Phonolite

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

History of Foidolite and Phonolite

The history of Foidolite 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.

Foidolite and Phonolite Origin and Discoverer

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

Etymology of Foidolite and Phonolite

Along with Foidolite and Phonolite definition, know more about the etymology of Foidolite and Phonolite. Etymology of Foidolite and Phonolite gives information about origin and formation of a particular rock. Know more about Formation of Foidolite and Formation of Phonolite. The etymology of Foidolite is From the mineral feldspathoid which is the main content of rock while that of Phonolite 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 Phonolite belong to Igneous Rocks. The sub-class, group and other categories of Foidolite and Phonolite 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 Phonolite,

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