Foidolite and Nephelinite Definition

Definition of Foidolite and Nephelinite

The general Foidolite and Nephelinite 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, Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. Along with definition of Foidolite and Nephelinite, get to know about Properties of Foidolite and Nephelinite. Get to know more information about Foidolite and Nephelinite origin and discoverer, etymology and class.

History of Foidolite and Nephelinite

The history of Foidolite and Nephelinite 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 Nephelinite Origin and Discoverer

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

Etymology of Foidolite and Nephelinite

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

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